US3770702A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coating composition
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1970-12-09
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Granted: 1973-11-06
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Expires: 1990-12-09
Abstract
Abstract A NOVEL SOLVENTLESS COATING COMPOSITION IS PREPARED CHARACTERIZED BY ITS READY AIR-DRYABILITY TO A TOUGH, HARD FINISH. THE COATING COMPOSITION CONTAINS CERTAIN ESTERS OF DI- OR POLYHYDROXY ALCOHOLS AND A,B-OLEFINICALLY UNSATURATED CARBOXYLIC ACIDS TOGETHER WITH A POLYFUNCTIONAL ALDEHYDE HAVING LESS THAN ALL OF ITS ALDEHYDE GROUPS ACETALIZED.
Inventors
- 👤 R Roper
- 👤 C Rowe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:36
CPC Classifications
C; C08; C08F; C08F20/00; C08F20/02; C08F20/10; C08F20/20; Y; Y10; Y10S; Y10S525/00; Y10S525/922
Claims Analysis
Total Claims: 0
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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) | 1976-11-05 | 1977-05-07 | 1977-11-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-11-05 | 1981-05-07 | 1981-11-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-11-05 | 1985-05-07 | 1985-11-06 | $7700.00 | Window Closed / Lapsed |