US3255156A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for polymerizing thiocarbonyl compounds
Assignee: EIDP Inc
•
Filing: 1961-05-01
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Granted: 1966-06-07
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Expires: 1981-05-01
Abstract
No abstract record available.
Inventors
- 👤 Arthur L Barney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 09:08
CPC Classifications
C; C08; C08G; C08G75/00; C08G75/02; C08F; C08F4/00; C08F4/06; C08F4/12; C08F4/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
16 words
IN A PROCESS OF PRODUCING A FILM-FORMING POLYMER BY POLYMERIZING A THIOCARBONYL COMPOUND OF THE FORMULA
Claim 2
Dependent Claim
16 words
IN A PROCESS OF PRODUCING A FILM-FORMING POLYMER BY POLYMERIZING A THIOCARBONYL COMPOUND OF THE FORMULA
References Cited (Backward Citations)
FR1206042A
Cited
US2980695A
Cited
US2985633A
Cited
US3069396A
Cited
US3032537A
Cited
US3078309A
Cited
US3026304A
Cited
US3069397A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-06-06 | 1969-12-06 | 1970-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-06 | 1973-12-06 | 1974-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-06 | 1977-12-06 | 1978-06-07 | $7700.00 | Window Closed / Lapsed |