US3577391A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alcohol-blocker isocyanate compositions and derivatives
Assignee: Marathon Oil Co
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Filing: 1968-10-08
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Granted: 1971-05-04
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Expires: 1988-10-08
Abstract
Abstract URETHANE-CONTAINING COMPOSITIONS, PARTICULARLY BAKED ON COATINGS, ARE PRODUCED BY THE REACTION OF ORGANIC POLYHALIDES WITH METAL CYANATES IN THE PRESENCE OF MONOHYDRIC ALCOHOL AND APROTIC SOLVENT.
Inventors
- 👤 Perry A Argabright
- 👤 Vernon J Sinkey
- 👤 Brian L Phillips
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:00
CPC Classifications
C; C08; C08G; C08G18/00; C08G18/06; C08G18/70; C08G18/701; C08G18/72; C08G18/77; C08G18/78; C08G18/79; C08G18/791
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) | 1974-05-03 | 1974-11-02 | 1975-05-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-05-03 | 1978-11-02 | 1979-05-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-05-03 | 1982-11-02 | 1983-05-04 | $7700.00 | Window Closed / Lapsed |