Patent US3708527A successfully refreshed from Google Patents.
US3708527A
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US
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Quaternary ammonium aryl carboxylic acid salts
Assignee: Novartis AG
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Filing: 1970-02-10
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Granted: 1973-01-02
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Expires: 1990-02-10
Abstract
Abstract QUATERNARY AMMONIUM COMPOUNDS ARE PROVIDED WHICH CORRESPOND TO THE FORMULA ((R2-CH2-N+(-R3-OH)(-R4-OH)-R1)((-)O-X-))N A IN WICH A IS AN ORGANIC RESIDUE, X IS A -CO-, -SO2-, OR -SO3- GROUP, R1 IS AN ALIPHATIC RESIDUE, R2 IS A BENZENE RESIDUE, R3 AND R4 EACH IS A DIVALENT ALIPHATIC RESIDUE AN N IS 1 OR 2. THESE COMPOUNDS ARE USED FOR COMBATTING HARMFUL MICRO-ORGANISMS, SUCH AS BACTERIA AND FUNGI. THEY ARE ESPECIALLY USED FOR THE ANTIMICROBIAL FINISHING AND/OR PROTECTION OF ORGANIC MATERIAL MORE PARTICULATELY OF TEXTILES, AGAINST MICRO-ORGANISMS.
Inventors
- 👤 M Schellenbaum
- 👤 M Duennenberger
- 👤 F Casagrande
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 08:42
CPC Classifications
C; C07; C07D; C07D333/00; C07D333/02; C07D333/04; C07D333/26; C07D333/38; A; A01; A01N; A01N33/00; A01N33/02; A01N33/12; C07D307/00; C07D307/02; C07D307/34; C07D307/56; C07D307/68; G; G07; G07F; G07F7/00
Claims Analysis
Total Claims: 0
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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) | 1976-01-02 | 1976-07-03 | 1977-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-01-02 | 1980-07-03 | 1981-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-01-02 | 1984-07-03 | 1985-01-02 | $7700.00 | Window Closed / Lapsed |