Patent US1274669A successfully refreshed from Google Patents.
US3637428A
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Adhesion of coatings to ethylene-polar monomer copolymer
Assignee: Union Carbide Corp
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Filing: 1968-12-10
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Granted: 1972-01-25
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Expires: 1988-12-10
Abstract
Abstract The adhesion of coatings to ethylene-polar monomer copolymer substrates is enhanced by the use, as an adhesion promoter, of vinyl acetate polymer.
Inventors
- 👤 John F Aleckner Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 07:37
CPC Classifications
C; C09; C09D; C09D123/00; C09D123/02; C09D123/04; C09D123/08; C08; C08J; C08J7/00; C08J7/04; C08J7/0427; C08J7/043; C09D131/00; C09D131/02; C09D131/04; C08J2323/00; C08J2323/02; C08J2323/04; C08J2323/08; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31855; Y10T428/31909; Y10T428/31913; Y10T428/3192
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
13 words
A coated substrate as in claim 1 in which the coating is paint.
Claim 2
Dependent Claim
17 words
A coated substrate as in claim 1 in which the adhesion promoter is a vinyl acetate homopolymer.
Claim 3
Dependent Claim
20 words
A coated substrate as in claim 1 in which said adhesion promoter is a copolymer of vinyl acetate and ethylene.
Claim 4
Dependent Claim
15 words
A coated substrate as in claim 4 in which said polar monomer is vinyl acetate.
Claim 5
Dependent Claim
15 words
A coated substrate as in claim 4 in which said polar monomer is ethyl acrylate.
Claim 6
Dependent Claim
15 words
A coated substrate as in claim 4 in which said polar monomer is acrylic acid.
References Cited (Backward Citations)
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US3340091A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-01-24 | 1975-07-26 | 1976-01-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-01-24 | 1979-07-26 | 1980-01-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-01-24 | 1983-07-26 | 1984-01-25 | $7700.00 | Window Closed / Lapsed |