US3560507A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Quaternary ammonium alkenyl succinates
Assignee: Stepan Co
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Filing: 1968-02-27
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Granted: 1971-02-02
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Expires: 1988-02-27
Abstract
Abstract THE PRODUCTS OF THIS INVENTION CONFORM, IN GENERAL, TO THE FOLLOWING STRUCTURE: X-OOC-CH(-R)-CH2-COO-Z WHEREIN R IS A STRAIGHT OR BRANCHED CHAIN ALKENYL RADICAL CONTAINING FROM 6 TO 18 CARBON ATOMS; X OR Z OR BOTH ARE CATIONS OF MICROBIOCIDAL QUATERNARY AMMONIUM COMPOUNDS; OR EITHER X OR Z IS SUCH A QUATERNARY AMMONIUM CATION AND THE OTHER IS HYDROGEN OR AN ALIALI METAL CATION SUCH AS SODIUM, POTASSIUM, ETC., OR AN EQUIVALENT SUCH AS AMMONIUM OR TRIETHANOLAMMONIUM CATION.
Inventors
- 👤 Reginald L Wakeman
- 👤 Joseph F Coates
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 07:44
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/22; C10L1/222; C10L1/2222; C07; C07C; C07C57/00; C07C57/02; C07C57/13; C07D; C07D217/00; C07D217/02; C07D217/10; Y; Y10; Y10S; Y10S507/00; Y10S507/92
Claims Analysis
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-02-01 | 1974-08-03 | 1975-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-01 | 1978-08-03 | 1979-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-01 | 1982-08-03 | 1983-02-02 | $7700.00 | Window Closed / Lapsed |