US3681249A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Unsymmetrical diphenyl carbonates
Assignee: Novartis Corp
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Filing: 1971-01-14
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Granted: 1972-08-01
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Expires: 1991-01-14
Abstract
Abstract BACTERICIDAL DETERGENT COMPOSITIONS CONTAINING AS ANTIBACTERIAL AGNETS, UNSYMMETRICAL DIPHENYL CARBONATES WHICH CONTAIN AS ONE ALCOHOL MOIETY A PHENOXYPHENYL RADICAL WHCH IS UNSUBSTITUTED OR SUBSTITUTED BY HALOGEN AND/OR LOWER ALKYL OR TRIFLUOROMETHYL, AND AS A SECOND ALCOHOL MOIETY A PHENYL RADICAL WHICH IS UNSBUSTITUTED OR BEARS CERTAIN SUBSTITUENTS.
Inventors
- 👤 Walter Traber
- 👤 Anton G Weiss
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 13:21
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/48; A; A61; A61L; A61L2103/00; A61L2103/50
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) | 1975-08-01 | 1976-01-31 | 1976-08-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-08-01 | 1980-01-31 | 1980-08-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-08-01 | 1984-01-31 | 1984-08-01 | $7700.00 | Window Closed / Lapsed |