Patent US3214943A successfully refreshed from Google Patents.
Patent US3312652A successfully refreshed from Google Patents.
US3312652A
Expired / Lapsed
US
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Polyvinyl acetate or polyacrylate containing 3-hydroxy-2, 2, 4-trimethylpentyl isobutyrate as coalescing agent
Assignee: Eastman Kodak Co
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Filing: 1963-07-26
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Granted: 1967-04-04
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Expires: 1983-07-26
Abstract
No abstract record available.
Inventors
- 👤 Charles H Coney
- 👤 Willie E Draper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:28
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/10; C08K5/101; C09; C09D; C09D133/00; C09D133/04; C09D133/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
28 words
AN AQUEOUS FILM-FORMING COMPOSITION COMPRISING POLYVINYL ACETATE OR A COPOLYMER OF ALKYL METHACRYLATE WITH ALKYLACRYLATE, SAID COMPOSITION CONTAINING AS A COALESCING AGENT A COMPATIBLE AMOUNT OF 3-HYDROXY-2,2,4TRIMETHYLPENTYL ISOBUTYRATE.
Claim 2
Dependent Claim
28 words
AN AQUEOUS FILM-FORMING COMPOSITION COMPRISING POLYVINYL ACETATE OR A COPOLYMER OF ALKYL METHACRYLATE WITH ALKYLACRYLATE, SAID COMPOSITION CONTAINING AS A COALESCING AGENT A COMPATIBLE AMOUNT OF 3-HYDROXY-2,2,4TRIMETHYLPENTYL ISOBUTYRATE.
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) | 1970-04-03 | 1970-10-03 | 1971-04-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-04-03 | 1974-10-03 | 1975-04-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-04-03 | 1978-10-03 | 1979-04-04 | $7700.00 | Window Closed / Lapsed |