Patent US2844483A successfully refreshed from Google Patents.
US2844483A
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Plasticisers
Assignee: Acordis UK Ltd
•
Filing: 1956-07-10
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Granted: 1958-07-22
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Expires: 1976-07-10
Abstract
No abstract record available.
Inventors
- 👤 King Frederick Ernest
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-10 02:33
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/10; C08K5/101; C08K5/103
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
32 words
A COMPOSITION HAVING A BASIS OF CELLULOSE ACETATE PLASTICISED WITH THE AID OF AN ESTER SELECTED FROM THE CLASS CONSISTING OF THE PENTAACETATE OF 2:2:6:6-TETRAMETHYLOL CYCLOHEXANOL AND NUCLEAR MONOMETHYL SUBSTITUTION DERIVATIVES THEREOF.
Claim 2
Dependent Claim
32 words
A COMPOSITION HAVING A BASIS OF CELLULOSE ACETATE PLASTICISED WITH THE AID OF AN ESTER SELECTED FROM THE CLASS CONSISTING OF THE PENTAACETATE OF 2:2:6:6-TETRAMETHYLOL CYCLOHEXANOL AND NUCLEAR MONOMETHYL SUBSTITUTION DERIVATIVES THEREOF.
References Cited (Backward Citations)
US1548932A
Cited
US2480348A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-07-21 | 1962-01-20 | 1962-07-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-21 | 1966-01-20 | 1966-07-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-21 | 1970-01-20 | 1970-07-22 | $7700.00 | Window Closed / Lapsed |