US3261799A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Freeze-thaw stable aminoester polymer
Assignee: EIDP Inc
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Filing: 1965-01-06
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Granted: 1966-07-19
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Expires: 1985-01-06
Abstract
No abstract record available.
Inventors
- 👤 George B Vermont
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 06:42
CPC Classifications
C; C09; C09J; C09J133/00; C09J133/04; C09J133/06; C09J133/062; C08; C08F; C08F8/00; C08F8/30; C09D; C09D133/00; C09D133/04; C09D133/06; C09D133/062
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
28 words
A FREEZE-THAW STABLE AQUEOUS FILM FORMING COMPOSITION CONSISTING ESSENTIALLY OF A DISPERSION OF A WATER-INSOLUBLE NEGATIVELY CHARGED CARBOXYLIC VINYL ADDITION POLYMER AND A COMPOUND OF THE FORMULA A:
Claim 2
Dependent Claim
28 words
A FREEZE-THAW STABLE AQUEOUS FILM FORMING COMPOSITION CONSISTING ESSENTIALLY OF A DISPERSION OF A WATER-INSOLUBLE NEGATIVELY CHARGED CARBOXYLIC VINYL ADDITION POLYMER AND A COMPOUND OF THE FORMULA A:
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) | 1969-07-18 | 1970-01-17 | 1970-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-18 | 1974-01-17 | 1974-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-18 | 1978-01-17 | 1978-07-19 | $7700.00 | Window Closed / Lapsed |