Patent US5350627A successfully refreshed from Google Patents.
US5350627A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coated webs
Assignee: Camelot Technologies Inc
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Filing: 1993-06-11
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Granted: 1994-09-27
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Expires: 2013-06-11
Abstract
Abstract Biodegradable polymers may be used as binders for impregnating or coating fibrous webs. The resulting web is degradable and also the fibers within the web may be more easily recycled.
Inventors
- 👤 Speros P. Nemphos
- 👤 Gregory B. Kharas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:22
CPC Classifications
D; D04; D04H; D04H1/00; D04H1/40; D04H1/58; D04H1/64; D04H1/587; Y; Y10; Y10S; Y10S428/00; Y10S428/913; Y10T; Y10T442/00; Y10T442/20; Y10T442/2025; Y10T442/2762; Y10T442/277
Claims Analysis
Total Claims: 40
Claim 1
Independent Claim
94 words
A web of a cellulosic fiber in which at least a portion of the cellulose fibers are contacted with binder comprising one or more polymers having a molecular weight of greater than 30,000 comprising the residues of one or more monomers of the Formula: --OCR.sub.1 R.sub.2 (CR.sub.3 R.sub.4).sub.n CO-- I wherein in Formula I R 1 , R 2 , R 3 , and R 4 are independently selected from the group consisting of a hydrogen atom and a C 1-4 alkyl radical and n is 0 or an integer from 1 to 5.
Claim 2
Dependent Claim
94 words
A web of a cellulosic fiber in which at least a portion of the cellulose fibers are contacted with binder comprising one or more polymers having a molecular weight of greater than 30,000 comprising the residues of one or more monomers of the Formula: --OCR.sub.1 R.sub.2 (CR.sub.3 R.sub.4).sub.n CO-- I wherein in Formula I R 1 , R 2 , R 3 , and R 4 are independently selected from the group consisting of a hydrogen atom and a C 1-4 alkyl radical and n is 0 or an integer from 1 to 5.
Claim 3
Dependent Claim
24 words
The web according to claim 1, wherein the portion of the web contacted with said binder is at least one surface of the web.
Claim 4
Dependent Claim
38 words
The web according to claim 2, wherein said binder comprises a polymer of Formula I wherein n is 0, and one of R 1 and R 2 is a hydrogen atom and the other is a methyl radical.
Claim 5
Dependent Claim
69 words
The web according to claim 2, wherein said binder comprises a copolymer or blend comprising from 70 to 10 weight % of monomer residues of Formula I wherein n is 0, and one of one of R 1 and R 2 is a hydrogen atom and the other is a methyl radical and from 30 to 90 weight % of monomer residues of Formula I wherein n is 1.
Claim 6
Dependent Claim
75 words
The web according to claim 2, wherein said binder comprises a copolymer comprising from 70 to 30 weight % of monomer residues of Formula I wherein n is 0, and one of R 1 and R 2 is a hydrogen atom and the other is a methyl radical and from 30 to 70 weight % of monomer residues of Formula I wherein n is 0, and both R 1 and R 2 are hydrogen atoms.
Claim 7
Dependent Claim
35 words
The web according to claim 1 wherein the portion of the web contacted with said binder comprises at least one surface of the web and at least a portion of the interior of the web.
Claim 8
Dependent Claim
38 words
The web according to claim 6, wherein said binder comprises a polymer of Formula I wherein n is 0, and one of R 1 and R 2 is a hydrogen atom and the other is a methyl radical.
Claim 9
Dependent Claim
69 words
The web according to claim 6, wherein said binder comprises a copolymer or blend comprising from 70 to 10 weight % of monomer residues of Formula I wherein n is 0, and one of one of R 1 and R 2 is a hydrogen atom and the other is a methyl radical and from 30 to 90 weight % of monomer residues of Formula I wherein n is 1.
Claim 10
Dependent Claim
75 words
The web according to claim 6, wherein said binder comprises a copolymer comprising from 70 to 30 weight % of monomer residues of Formula I wherein n is 0, and one of R 1 and R 2 is a hydrogen atom and the other is a methyl radical and from 30 to 70 weight % of monomer residues of Formula I wherein n is 0, and both R 1 and R 2 are hydrogen atoms.
Claim 11
Dependent Claim
105 words
A process for coating a cellulosic web with binder comprising one or more polymers having a molecular weight of greater than 30,000 comprising the residues of one or more monomers of the Formula: --OCR.sub.1 R.sub.2 (CR.sub.3 R.sub.4).sub.n CO-- I wherein in Formula I R 1 , R 2 , R 3 , and R 4 are independently selected from the group consisting of a hydrogen atom and a C 1-4 alkyl radical and n is 0 or an integer from 1 to 5 which comprises coating said web with a solution comprising from 5 to 25 weight % of said binder in an organic solvent.
Claim 12
Dependent Claim
105 words
A process for coating a cellulosic web with binder comprising one or more polymers having a molecular weight of greater than 30,000 comprising the residues of one or more monomers of the Formula: --OCR.sub.1 R.sub.2 (CR.sub.3 R.sub.4).sub.n CO-- I wherein in Formula I R 1 , R 2 , R 3 , and R 4 are independently selected from the group consisting of a hydrogen atom and a C 1-4 alkyl radical and n is 0 or an integer from 1 to 5 which comprises coating said web with a solution comprising from 5 to 25 weight % of said binder in an organic solvent.
Claim 13
Dependent Claim
38 words
The process according to claim 10, wherein said binder comprises a polymer of Formula I wherein n is 0, and one of R 1 and R 2 is a hydrogen atom and the other is a methyl radical.
Claim 14
Dependent Claim
69 words
The process according to claim 10, wherein said binder comprises a copolymer or blend comprising from 70 to 10 weight % of monomer residues of Formula I wherein n is 1, and one of one of R 1 and R 2 is a hydrogen atom and the other is a methyl radical and from 30 to 90 weight % of monomer residues of Formula I wherein n is 1.
Claim 15
Dependent Claim
75 words
The process according to claim 10, wherein said binder comprises a copolymer comprising from 70 to 30 weight % of monomer residues of Formula I wherein n is 0, and one of R 1 and R 2 is a hydrogen atom and the other is a methyl radical and from 30 to 70 weight % of monomer residues of Formula I wherein n is 0, and both R 1 and R 2 are hydrogen atoms.
Claim 16
Dependent Claim
102 words
A process for coating a cellulosic web with binder comprising one or more polymers having a molecular weight of greater than 30,000 comprising the residues of one or more monomers of the Formula: --OCR.sub.1 R.sub.2 (CR.sub.3 R.sub.4).sub.n CO-- I wherein in Formula I R 1 , R 2 , R 3 , and R 4 are independently selected from the group consisting of a hydrogen atom and a C 1-4 alkyl radical and n is 0 or an integer from 1 to 5 which comprises coating said web with an aqueous dispersion comprising from 20 to 70 weight % of said binder.
Claim 17
Dependent Claim
102 words
A process for coating a cellulosic web with binder comprising one or more polymers having a molecular weight of greater than 30,000 comprising the residues of one or more monomers of the Formula: --OCR.sub.1 R.sub.2 (CR.sub.3 R.sub.4).sub.n CO-- I wherein in Formula I R 1 , R 2 , R 3 , and R 4 are independently selected from the group consisting of a hydrogen atom and a C 1-4 alkyl radical and n is 0 or an integer from 1 to 5 which comprises coating said web with an aqueous dispersion comprising from 20 to 70 weight % of said binder.
Claim 18
Dependent Claim
38 words
The process according to claim 14, wherein said binder comprises a polymer of Formula I wherein n is 0, and one of R 1 and R 2 is a hydrogen atom and the other is a methyl radical.
Claim 19
Dependent Claim
69 words
The process according to claim 14, wherein said binder comprises a copolymer or blend comprising from 70 to 10 weight % of monomer residues of Formula I wherein n is 0, and one of one of R 1 and R 2 is a hydrogen atom and the other is a methyl radical and from 30 to 90 weight % of monomer residues of Formula I wherein n is 1.
Claim 20
Dependent Claim
75 words
The process according to claim 14, wherein said binder comprises a copolymer comprising from 70 to 30 weight % of monomer residues of Formula I wherein n is 0, and one of R 1 and R 2 is a hydrogen atom and the other is a methyl radical and from 30 to 70 weight % of monomer residues of Formula I wherein n is 0, and both R 1 and R 2 are hydrogen atoms.
Claim 21
Dependent Claim
105 words
A process for impregnating a cellulosic web with binder comprising one or more polymers having a molecular weight of greater than 30,000 comprising the residues of one or more monomers of the Formula: --OCR.sub.1 R.sub.2 (CR.sub.3 R.sub.4).sub.n CO-- I wherein in Formula I R 1 , R 2 , R 3 , and R 4 are independently selected from the group consisting of a hydrogen atom and a C 1-4 alkyl radical and n is 0 or an integer from 1 to 5 which comprises coating said web with a solution comprising from 5 to 25 weight % of said binder in an organic solvent.
Claim 22
Dependent Claim
105 words
A process for impregnating a cellulosic web with binder comprising one or more polymers having a molecular weight of greater than 30,000 comprising the residues of one or more monomers of the Formula: --OCR.sub.1 R.sub.2 (CR.sub.3 R.sub.4).sub.n CO-- I wherein in Formula I R 1 , R 2 , R 3 , and R 4 are independently selected from the group consisting of a hydrogen atom and a C 1-4 alkyl radical and n is 0 or an integer from 1 to 5 which comprises coating said web with a solution comprising from 5 to 25 weight % of said binder in an organic solvent.
Claim 23
Dependent Claim
38 words
The process according to claim 18, wherein said binder comprises a homopolymer of Formula I wherein n is 0, and one of R 1 and R 2 is a hydrogen atom and the other is a methyl radical.
Claim 24
Dependent Claim
69 words
The process according to claim 18, wherein said binder comprises a copolymer or blend comprising from 70 to 10 weight % of monomer residues of Formula I wherein n is 0, and one of one of R 1 and R 2 is a hydrogen atom and the other is a methyl radical and from 30 to 90 weight % of monomer residues of Formula I wherein n is 1.
Claim 25
Dependent Claim
75 words
The process according to claim 18, wherein said binder comprises a copolymer comprising from 70 to 30 weight % of monomer residues of Formula I wherein n is 0, and one of R 1 and R 2 is a hydrogen atom and the other is a methyl radical and from 30 to 70 weight % of monomer residues of Formula I wherein n is 0, and both R 1 and R 2 are hydrogen atoms.
Claim 26
Dependent Claim
102 words
A process for impregnating a cellulosic web with binder comprising one or more polymers having a molecular weight of greater than 30,000 comprising the residues of one or more monomers of the Formula: --OCR.sub.1 R.sub.2 (CR.sub.3 R.sub.4).sub.n CO-- I wherein in Formula I R 1 , R 2 , R 3 , and R 4 are independently selected from the group consisting of a hydrogen atom and a C 1-4 alkyl radical and n is 0 or an integer from I to 5 which comprises coating said web with an aqueous dispersion comprising from 20 to 70 weight % of said binder.
Claim 27
Dependent Claim
102 words
A process for impregnating a cellulosic web with binder comprising one or more polymers having a molecular weight of greater than 30,000 comprising the residues of one or more monomers of the Formula: --OCR.sub.1 R.sub.2 (CR.sub.3 R.sub.4).sub.n CO-- I wherein in Formula I R 1 , R 2 , R 3 , and R 4 are independently selected from the group consisting of a hydrogen atom and a C 1-4 alkyl radical and n is 0 or an integer from I to 5 which comprises coating said web with an aqueous dispersion comprising from 20 to 70 weight % of said binder.
Claim 28
Dependent Claim
38 words
The process according to claim 22, wherein said binder comprises a polymer of Formula I wherein n is 0, and one of R 1 and R 2 is a hydrogen atom and the other is a methyl radical.
Claim 29
Dependent Claim
69 words
The process according to claim 22, wherein said binder comprises a copolymer or blend comprising from 70 to 10 weight % of monomer residues of Formula I wherein n is 0, and one of one of R 1 and R 2 is a hydrogen atom and the other is a methyl radical and from 30 to 90 weight % of monomer residues of Formula I wherein n is 1.
Claim 30
Dependent Claim
75 words
The process according to claim 22, wherein said binder comprises a copolymer comprising from 70 to 30 weight % of monomer residues of Formula I wherein n is 0, and one of R 1 and R 2 is a hydrogen atom and the other is a methyl radical and from 30 to 70 weight % of monomer residues of Formula I wherein n is 0, and both R 1 and R 2 are hydrogen atoms.
Claim 31
Dependent Claim
94 words
A process for coating a cellulosic web with binder comprising one or more polymers having a molecular weight of greater than 30,000 comprising the residues of one or more monomers of the Formula: --OCR.sub.1 R.sub.2 (CR.sub.3 R.sub.4).sub.n CO-- I wherein in Formula I R 1 , R 2 , R 3 , and R 4 are independently selected from the group consisting of a hydrogen atom and a C 1-4 alkyl radical and n is 0 or an integer from 1 to 5 which comprises laminating to said web a film of said binder.
Claim 32
Dependent Claim
94 words
A process for coating a cellulosic web with binder comprising one or more polymers having a molecular weight of greater than 30,000 comprising the residues of one or more monomers of the Formula: --OCR.sub.1 R.sub.2 (CR.sub.3 R.sub.4).sub.n CO-- I wherein in Formula I R 1 , R 2 , R 3 , and R 4 are independently selected from the group consisting of a hydrogen atom and a C 1-4 alkyl radical and n is 0 or an integer from 1 to 5 which comprises laminating to said web a film of said binder.
Claim 33
Dependent Claim
38 words
The process according to claim 26, wherein said binder comprises a polymer of Formula I wherein n is 0, and one of R 1 and R 2 is a hydrogen atom and the other is a methyl radical.
Claim 34
Dependent Claim
69 words
The process according to claim 26, wherein said binder comprises a copolymer or blend comprising from 70 to 10 weight % of monomer residues of Formula I wherein n is 0, and one of one of R 1 and R 2 is a hydrogen atom and the other is a methyl radical and from 30 to 90 weight % of monomer residues of Formula I wherein n is 1.
Claim 35
Dependent Claim
75 words
The process according to claim 26, wherein said binder comprises a copolymer comprising from 70 to 30 weight % of monomer residues of Formula I wherein n is 0, and one of R 1 and R 2 is a hydrogen atom and the other is a methyl radical and from 30 to 70 weight % of monomer residues of Formula I wherein n is 0, and both R 1 and R 2 are hydrogen atoms.
Claim 36
Dependent Claim
92 words
A process for coating a cellulosic web with binder comprising one or more polymers having a molecular weight of greater than 30,000 comprising the residues of one or more monomers of the Formula: --OCR.sub.1 R.sub.2 (CR.sub.3 R.sub.4).sub.n CO-- I wherein in Formula I R 1 , R 2 , R 3 , and R 4 are independently selected from the group consisting of a hydrogen atom and a C 1-4 alkyl radical and n is 0 or an integer from 1 to 5 which comprises extrusion coating said web with said binder.
Claim 37
Dependent Claim
92 words
A process for coating a cellulosic web with binder comprising one or more polymers having a molecular weight of greater than 30,000 comprising the residues of one or more monomers of the Formula: --OCR.sub.1 R.sub.2 (CR.sub.3 R.sub.4).sub.n CO-- I wherein in Formula I R 1 , R 2 , R 3 , and R 4 are independently selected from the group consisting of a hydrogen atom and a C 1-4 alkyl radical and n is 0 or an integer from 1 to 5 which comprises extrusion coating said web with said binder.
Claim 38
Dependent Claim
38 words
The process according to claim 30, wherein said binder comprises a polymer of Formula I wherein n is 0, and one of R 1 and R 2 is a hydrogen atom and the other is a methyl radical.
Claim 39
Dependent Claim
68 words
The process according to claim 30, wherein said binder is a copolymer or blend comprising from 70 to 10 weight % of monomer residues of Formula wherein n is 0, and one of one of R 1 and R 2 is a hydrogen atom and the other is a methyl radical and from 30 to 90 weight % of monomer residues of Formula I wherein n is 1.
Claim 40
Dependent Claim
75 words
The process according to claim 31, wherein said binder comprises a copolymer comprising from 70 to 30 weight % of monomer residues of Formula I wherein n is 0, and one of R 1 and R 2 is a hydrogen atom and the other is a methyl radical and from 30 to 70 weight % of monomer residues of Formula I wherein n is 0, and both R 1 and R 2 are hydrogen atoms.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1997-09-26 | 1998-03-28 | 1998-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2001-09-26 | 2002-03-28 | 2002-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2005-09-26 | 2006-03-28 | 2006-09-27 | $7700.00 | Window Closed / Lapsed |