Patent US2275977A successfully refreshed from Google Patents.
Patent US2570478A successfully refreshed from Google Patents.
US2570478A
Expired / Lapsed
US
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Vinylidene chloride interpolymer as a coating for regenerated cellulose film
Assignee: EIDP Inc
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Filing: 1948-07-20
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Granted: 1951-10-09
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Expires: 1968-07-20
Abstract
No abstract record available.
Inventors
- 👤 Pitzl Gilbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:53
CPC Classifications
C; C08; C08F; C08F214/00; C08F214/02; C08F214/04; C08F214/08; C08J; C08J7/00; C08J7/04; C08J7/0427; C08J7/043; C08J7/052; C09; C09D; C09D127/00; C09D127/02; C09D127/04; C09D127/08; C08J2301/00; C08J2301/06; C08J2427/00; Y; Y10; Y10S; Y10S526/00; Y10S526/939; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31855; Y10T428/3188; Y10T428/31884
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
A MOISTURPROOF, HEAT-SEALABLE WRAPPING TISSUE COMPRISING REGENERTED CELLULOSE FILM HAVING A SELF-ANCHORED COATING COMPRISING ESSENTIALLY A COPOLYMER OBTAINED BY POLYMERIZING A MIXTURE OF 0.5-25% OF ITACONIC ACID, 3-40% OF AT LEAST ONE POLYMERIZABLE COMPOUND FROM THE GROUP CONSISTING OF ACRYLONITRILE, ALKYL ESTERS OF ACRYLIC AND METHACRYLIC ACIDS HAVING FROM 1 TO 18 CARBON ATOMS IN THE ALKYL GROUP, PHENYL METHACRYLATE, CYCLOHEXYL METHACRYLATE, P-CYCLOHEXYL PHENYL METHACRYLATE, METHACRYLONITRILE, METHYL VINYL KETONE, AND VINYL CHLORIDE AND 35-95.6% OF VINYLIDENE CHLORIDE, THE PROPORTIONS BEING SELECTED TO TOTAL 100%.
Claim 2
Dependent Claim
84 words
A MOISTURPROOF, HEAT-SEALABLE WRAPPING TISSUE COMPRISING REGENERTED CELLULOSE FILM HAVING A SELF-ANCHORED COATING COMPRISING ESSENTIALLY A COPOLYMER OBTAINED BY POLYMERIZING A MIXTURE OF 0.5-25% OF ITACONIC ACID, 3-40% OF AT LEAST ONE POLYMERIZABLE COMPOUND FROM THE GROUP CONSISTING OF ACRYLONITRILE, ALKYL ESTERS OF ACRYLIC AND METHACRYLIC ACIDS HAVING FROM 1 TO 18 CARBON ATOMS IN THE ALKYL GROUP, PHENYL METHACRYLATE, CYCLOHEXYL METHACRYLATE, P-CYCLOHEXYL PHENYL METHACRYLATE, METHACRYLONITRILE, METHYL VINYL KETONE, AND VINYL CHLORIDE AND 35-95.6% OF VINYLIDENE CHLORIDE, THE PROPORTIONS BEING SELECTED TO TOTAL 100%.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-10-08 | 1955-04-09 | 1955-10-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-10-08 | 1959-04-09 | 1959-10-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-10-08 | 1963-04-09 | 1963-10-09 | $7700.00 | Window Closed / Lapsed |