US2680727A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyvinyl acetals stabilized with 2-thiazoline-2-thiol
Assignee: EIDP Inc
•
Filing: 1953-04-17
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Granted: 1954-06-08
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Expires: 1973-04-17
Abstract
No abstract record available.
Inventors
- 👤 Charles H Jarboe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 23:32
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/36; C08K5/45; C08K5/46; C08K5/47
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
17 words
A COMPOSITION OF MATTER COMPRISING A POLYVINYL ACETAL AND FROM 0.05 TO 5% BY WEIGHT OF 2-THIAZOLINE-2-THIOL.
Claim 2
Dependent Claim
17 words
A COMPOSITION OF MATTER COMPRISING A POLYVINYL ACETAL AND FROM 0.05 TO 5% BY WEIGHT OF 2-THIAZOLINE-2-THIOL.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-06-07 | 1957-12-07 | 1958-06-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-06-07 | 1961-12-07 | 1962-06-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-06-07 | 1965-12-07 | 1966-06-08 | $7700.00 | Window Closed / Lapsed |