US3277053A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flame and heat resistant polymeric materials containing 2-(bromophenoxy or chlorophenoxy)ethyl and/or propyl acrylates and/or methacrylates
Assignee: Eastman Kodak Co
•
Filing: 1965-06-07
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Granted: 1966-10-04
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Expires: 1985-06-07
Abstract
No abstract record available.
Inventors
- 👤 Edward H Hill
- 👤 John R Caldwell
- 👤 Jr Winston J Jackson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 07:47
CPC Classifications
C; C08; C08F; C08F20/00; C08F20/02; C08F20/10; C08F20/12; C08F20/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
29 words
PRODUCT OF THE COPOLYMERIZATION OF FROM ABOUT 60-90% BY WEIGHT OF ACRYLONITRILE AND FROM ABOUT 4010% BY WEIGHT OF A COMPOUND SELECTED FROM THE GROUP REPRESENTED BY THE FORMULA
Claim 2
Dependent Claim
29 words
PRODUCT OF THE COPOLYMERIZATION OF FROM ABOUT 60-90% BY WEIGHT OF ACRYLONITRILE AND FROM ABOUT 4010% BY WEIGHT OF A COMPOUND SELECTED FROM THE GROUP REPRESENTED BY THE FORMULA
References Cited (Backward Citations)
US3076838A
Cited
US3131166A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-03 | 1970-04-04 | 1970-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-03 | 1974-04-04 | 1974-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-03 | 1978-04-04 | 1978-10-04 | $7700.00 | Window Closed / Lapsed |