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US3509104A
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US
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Dialkyltin salt of aromatic carboxylic acids useful as catalysts in producing urethanes and polyurethanes
Assignee: Vibrantz Corp
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Filing: 1967-03-01
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Granted: 1970-04-28
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Expires: 1987-03-01
Abstract
No abstract record available.
Inventors
- 👤 Charles H Fuchsman
- 👤 James C Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 20:46
CPC Classifications
C; C08; C08G; C08G18/00; C08G18/06; C08G18/08; C08G18/16; C08G18/22; C08G18/24; C08G18/244; C08G18/246; C07; C07F; C07F7/00; C07F7/22; C07F7/2224
Claims Analysis
Total Claims: 0
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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) | 1973-04-27 | 1973-10-27 | 1974-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-04-27 | 1977-10-27 | 1978-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-04-27 | 1981-10-27 | 1982-04-28 | $7700.00 | Window Closed / Lapsed |