US3260707A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Allyl and methallyl esters of sulfoaliphatic acids, and interpolymers thereof with acrylonitrile
Assignee: Eastman Kodak Co
•
Filing: 1962-10-24
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Granted: 1966-07-12
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Expires: 1982-10-24
Abstract
No abstract record available.
Inventors
- 👤 John R Caldwell
- 👤 George P Touey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:53
CPC Classifications
C; C08; C08F; C08F220/00; C08F220/02; C08F220/42; C08F220/44; C08F220/46; C07; C07C; C07C309/00; C07C309/01; C07C309/02; C07C309/03; C07C309/17; C08F28/00
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
25 words
A POLYMER SELECTED FROM THE GROUP CONSISTING OF (1) A BIPOLYMER OF FROM 2-20% BY WEIGHT OF A SALT COMPOUND REPRESENTED BY THE GENERAL FORMULA:
Claim 2
Dependent Claim
25 words
A POLYMER SELECTED FROM THE GROUP CONSISTING OF (1) A BIPOLYMER OF FROM 2-20% BY WEIGHT OF A SALT COMPOUND REPRESENTED BY THE GENERAL FORMULA:
Claim 3
Dependent Claim
8 words
A COMPOUND REPRESENTED BY THE GENERAL STRUCTURAL FROMULA:
Claim 4
Dependent Claim
8 words
A COMPOUND REPRESENTED BY THE GENERAL STRUCTURAL FROMULA:
References Cited (Backward Citations)
US2496275A
Cited
US2601256A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-07-11 | 1970-01-10 | 1970-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-11 | 1974-01-10 | 1974-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-11 | 1978-01-10 | 1978-07-12 | $7700.00 | Window Closed / Lapsed |