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Patent US3578667A successfully refreshed from Google Patents.
US3578667A
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US
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Quaternary ammonium alicyclic carboxylates
Assignee: Stepan Co
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Filing: 1968-03-26
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Granted: 1971-05-11
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Expires: 1988-03-26
Abstract
Abstract A QUATERNARY AMMONIUM ALICYCLIC DICARBOXYLATE WHEREIN THE QUATERNARY AMMONIUM CATION IS THE CATIONIC RESIDUE OF A QUATERNARY AMMONIUM COMPOUND HAVING ONE ALKYL GROUP OF 8 TO 22 CARBON ATOMS ATTACHED TO THE QUATERNARY NITROGEN AND HAVING A PHENOL COEFFICIENT OF AT LEAST 100 WITH RESPECT TO STAPHYLOCOCCUS AUREUS AND SALMONELLA TYPHOSA AT 20*C., AND WHEREIN THE ANION IS THE ANIONIC RESIDUE OF AN ALICYCLIC DICARBOXYLIC ACID CONTAINING AT LEAST ONE RING OF FIVE OR SIVE ATOMS, OR THE CHLORINE SUBSTITUTION PRODUCT THEREOF.
Inventors
- 👤 Reginald L Wakeman
- 👤 Joseph F Coates
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 10:16
CPC Classifications
C; C07; C07D; C07D217/00; C07D217/02; C07D217/10; Y; Y10; Y10S; Y10S507/00; Y10S507/92
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) | 1974-05-10 | 1974-11-09 | 1975-05-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-05-10 | 1978-11-09 | 1979-05-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-05-10 | 1982-11-09 | 1983-05-11 | $7700.00 | Window Closed / Lapsed |