US3749767A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oral preparation containing unsymmetrical oligoquaternary ammonium compounds
Assignee: Colgate Palmolive Co
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Filing: 1971-09-30
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Granted: 1973-07-31
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Expires: 1991-09-30
Abstract
Abstract UNSYMMERTICAL OLIGOQUATERNARY AMMONIUM COMPOUNDS CONTAINING AT LEAST TWO ONIUM NITROGEN ATOMS. TYPICAL COMPOUNDS ARE: (C12H25N+(ME)2(CH2)4N+(ME)2CH2C6H5)BR (C14H29N+(ME)2(CH2)10N+(ME)2CH2C6H4CL)BR2 AND (C12H25N+(ME)2(CH2)4N+(ME)2 (CH2)2N+(ME)2CH2C6H5)BR3 THESE COMPOUNDS ARE EFFECTIVE AS ANTIMICROBIAL AGENTS AND AS ANTICARIES OR ANTICALCULUS AGENTS.
Inventors
- 👤 R Bauman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 05:38
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/40; A61K8/41; A61K8/416; A61Q; A61Q11/00
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) | 1976-07-30 | 1977-01-29 | 1977-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-07-30 | 1981-01-29 | 1981-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-07-30 | 1985-01-29 | 1985-07-31 | $7700.00 | Window Closed / Lapsed |