Patent US3314922A successfully refreshed from Google Patents.
US3314922A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polymers and process of making same
Assignee: UNIROYAL
•
Filing: 1961-08-21
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Granted: 1967-04-18
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Expires: 1981-08-21
Abstract
No abstract record available.
Inventors
- 👤 Glenn A Berchtold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 18:57
CPC Classifications
C; C08; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/67; C08G18/675; C08G18/677; C08G18/678; C08G18/08; C08G18/10; Y; Y10; Y10S; Y10S528/00; Y10S528/906
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
54 words
A COMPOSTION OBTAINED BY REACTING A POLYURETHANE HAVING AMOLECULAR WEIGHT OF FROM 500 TO ABOUT 20,000 AND HAVING AT LEAST TWO XCN-GROUPS PER MOLECULE, WHEREIN X IS SELECTED FROM THE GROUP CONSISTING OF OXYGEN AND SULFUR, WITH AN ORGANIC COMPOUND HAVING AT LEAST ONE ENAMINE STRUCTURAL UNIT, SAID ENAMINE UNIT BEING REPRESENTED AS FOLLOWS:
Claim 2
Dependent Claim
54 words
A COMPOSTION OBTAINED BY REACTING A POLYURETHANE HAVING AMOLECULAR WEIGHT OF FROM 500 TO ABOUT 20,000 AND HAVING AT LEAST TWO XCN-GROUPS PER MOLECULE, WHEREIN X IS SELECTED FROM THE GROUP CONSISTING OF OXYGEN AND SULFUR, WITH AN ORGANIC COMPOUND HAVING AT LEAST ONE ENAMINE STRUCTURAL UNIT, SAID ENAMINE UNIT BEING REPRESENTED AS FOLLOWS:
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) | 1970-04-17 | 1970-10-17 | 1971-04-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-04-17 | 1974-10-17 | 1975-04-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-04-17 | 1978-10-17 | 1979-04-18 | $7700.00 | Window Closed / Lapsed |