US3428654A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alkene sulfonation process and products
Assignee: Colgate Palmolive Co
•
Filing: 1966-05-10
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Granted: 1969-02-18
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Expires: 1986-05-10
Abstract
No abstract record available.
Inventors
- 👤 Joseph Rubinfeld
- 👤 Willem Bian Gwan Ouw
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:15
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/16; C11D3/34; C11D3/3472; C07; C07C; C07C309/00; C07C309/01; C07C309/02; C07C2/00; C07C2/54; C07C2/64; C07C2/66; C07C2/68; C07C309/62; C09; C09B; C09B1/00; C09B1/16; C09B1/20; C09B1/22; C09B1/50; C09B1/503; C11D1/00; C11D1/02; C11D1/12; C11D1/14; C11D1/143; C11D1/37; C11D1/66; C11D1/83; C11D1/88; C11D1/94; C11D3/0005; C11D3/0026; C07C2527/00; C07C2527/06; C07C2527/125; C07C2527/126; C11D1/22; C11D1/29; C11D1/38; C11D1/52; C11D1/523; C11D1/62; C11D1/72; C11D1/75; C11D1/90
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2061620A
Cited
US2192713A
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US2454826A
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US2691040A
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US3164608A
Cited
US3164609A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-02-18 | 1972-08-19 | 1973-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-18 | 1976-08-19 | 1977-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-18 | 1980-08-19 | 1981-02-18 | $7700.00 | Window Closed / Lapsed |