Patent US2982681A successfully refreshed from Google Patents.
US2982681A
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Composite structure
Assignee: Acordis UK Ltd
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Filing: 1957-12-30
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Granted: 1961-05-02
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Expires: 1977-12-30
Abstract
No abstract record available.
Inventors
- 👤 Crampsey Edward
- 👤 Hawtin Philip Richard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:40
CPC Classifications
C; C09; C09J; C09J131/00; C09J131/02; C09J131/04; B; B32; B32B; B32B27/00; C09J135/00; C09J135/02; C08; C08L; C08L2666/00; C08L2666/28; C08L2666/34; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24802; Y10T428/24851; Y10T428/31504; Y10T428/31855; Y10T428/3188; Y10T428/31884; Y10T428/31891; Y10T428/31895; Y10T428/31906
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
80 words
A COMPOSITE STRUCTURE COMPRISING A FILM OF A CELLULOSE ESTER OF A PARAFFINIC MONOCARBOXYLIC ACID CONTAINING FROM 2 TO 4 CARBON ATOMS IN THE MOLECULE AND AN INKPRINTED SURFACE, THE SAID FILM AND SAID PRINTED SURFACE BEING BONDED TOGETHER BY MEANS OF AN ADHENSIVE HAVING A BASIS OF A COPOLYMER OF VINYL ACETATE AND AN ESTER CHOSEN FROM THE GROUP CONSISTING OF DI-N-BUTYL MELEATE AND DIISOBUTYL MALEATE, SAID COPOLYMER CONTAINING 35 TO 50 PERCENT BY WEIGHT OF COMBINED VINYL ACETATE.
Claim 2
Dependent Claim
80 words
A COMPOSITE STRUCTURE COMPRISING A FILM OF A CELLULOSE ESTER OF A PARAFFINIC MONOCARBOXYLIC ACID CONTAINING FROM 2 TO 4 CARBON ATOMS IN THE MOLECULE AND AN INKPRINTED SURFACE, THE SAID FILM AND SAID PRINTED SURFACE BEING BONDED TOGETHER BY MEANS OF AN ADHENSIVE HAVING A BASIS OF A COPOLYMER OF VINYL ACETATE AND AN ESTER CHOSEN FROM THE GROUP CONSISTING OF DI-N-BUTYL MELEATE AND DIISOBUTYL MALEATE, SAID COPOLYMER CONTAINING 35 TO 50 PERCENT BY WEIGHT OF COMBINED VINYL ACETATE.
References Cited (Backward Citations)
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US2430564A
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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) | 1964-05-01 | 1964-10-31 | 1965-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-01 | 1968-10-31 | 1969-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-01 | 1972-10-31 | 1973-05-02 | $7700.00 | Window Closed / Lapsed |