US3510494A
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US
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Certain perfluoro alkanamido-,perfluoro alkanoyloxy-,perfluoroalkyloxy and perfluoro mercapto - quaternary ammonium compounds,the corresponding pyridinium compounds and derivatives thereof
Assignee: Colgate Palmolive Co
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Filing: 1966-05-17
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Granted: 1970-05-05
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Expires: 1986-05-17
Abstract
No abstract record available.
Inventors
- 👤 Domenick Donald Gagliardi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:23
CPC Classifications
D; D06; D06M; D06M13/00; D06M13/322; C; C07; C07D; C07D295/00; C07D295/04; C07D295/12; C07D295/125; C07D295/13; D06M13/402; D06M13/408; D06M13/46
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) | 1973-05-04 | 1973-11-03 | 1974-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-04 | 1977-11-03 | 1978-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-04 | 1981-11-03 | 1982-05-05 | $7700.00 | Window Closed / Lapsed |