Patent US2700028A successfully refreshed from Google Patents.
US2700028A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Modified polyvinyl acetal compositions
Assignee: EIDP Inc
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Filing: 1953-05-14
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Granted: 1955-01-18
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Expires: 1973-05-14
Abstract
No abstract record available.
Inventors
- 👤 Charles H Jarboe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:06
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/36; C08K5/37
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
22 words
A COMPOSITION OF MATTER COMPRISING POLYVINYL BUTYRAL AND FROM 0.05 TO 5% OF 2-IMIDAZOLINE-2-THIOL BASED ON THE WEIGHT OF THE POLYVINYL BUTYRAL.
Claim 2
Dependent Claim
22 words
A COMPOSITION OF MATTER COMPRISING POLYVINYL BUTYRAL AND FROM 0.05 TO 5% OF 2-IMIDAZOLINE-2-THIOL BASED ON THE WEIGHT OF THE POLYVINYL BUTYRAL.
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) | 1958-01-17 | 1958-07-19 | 1959-01-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-01-17 | 1962-07-19 | 1963-01-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-01-17 | 1966-07-19 | 1967-01-18 | $7700.00 | Window Closed / Lapsed |