Patent US3133047A successfully refreshed from Google Patents.
US3133047A
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US
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Copolymers comprising salts of nsulfoalkyl alpha, beta-unsaturated dicarboxylic imides
Assignee: Eastman Kodak Co
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Filing: 1962-03-01
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Granted: 1964-05-12
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Expires: 1982-03-01
Abstract
No abstract record available.
Inventors
- 👤 Thomas M Laakso
- 👤 Fleisher Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:00
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/76; G03C1/85; G03C1/89; C; C08; C08F; C08F28/00; C08F8/00; C08F8/34; Y; Y10; Y10S; Y10S260/00; Y10S260/15; Y10S260/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
20 words
A RESINOUS LINEAR COPOLYMER CONSISTING ESSENTIALLY OF (1) APPROXIMATELY 50 MOLE PERCENT OF A VINYL COMPOUND OF THE GENERAL STRUCTURE:
Claim 2
Dependent Claim
20 words
A RESINOUS LINEAR COPOLYMER CONSISTING ESSENTIALLY OF (1) APPROXIMATELY 50 MOLE PERCENT OF A VINYL COMPOUND OF THE GENERAL STRUCTURE:
References Cited (Backward Citations)
US2984639A
Cited
US2914510A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-05-12 | 1967-11-11 | 1968-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-12 | 1971-11-11 | 1972-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-12 | 1975-11-11 | 1976-05-12 | $7700.00 | Window Closed / Lapsed |