US3249497A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solubilization of water-insoluble quaternary ammonium benzosulfimides
Assignee: Hollichem Corp
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Filing: 1963-06-17
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Granted: 1966-05-03
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Expires: 1983-06-17
Abstract
No abstract record available.
Inventors
- 👤 Jr William J Shibe
- 👤 George N Brandt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:43
CPC Classifications
C; C07; C07D; C07D213/00; C07D213/02; C07D213/04; C07D213/06; C07D213/16; C07D213/20; A; A01; A01N; A01N41/00; A01N41/02; A01N41/04; A01N41/06; C07D215/00; C07D215/02; C07D215/16; C07D215/38; C07D215/42; C07D217/00; C07D217/02; C07D217/10; C07D275/00; C07D275/04; C07D275/06; C09; C09K; C09K3/00; C09K3/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
A METHOD OF INCREASING THE WATER-SOLUBILITY OF A SUBSTANTIALLY WATER-INSOLUBLE QUATERNARY AMMONIUM BENZOSULFIMIDE WHICH COMPRISES ADMIXING WITH SAID BENZOSULFIMIDE IN AQUEOUS MIXTURE ABOUT 0.1-10% BY WEIGHT OF THE MIXTURE OF A SALT SELECTED FROM THE GROUP CONSISTING OF SODIUM AND POTASSIUM CHLORIDES, SODIUM AND POTASSIUM SULFATES AND AMMONIUM PHOSPHATE AND ABOUT 0.95-34% BY WEIGHT OF THE MIXTURE OF A MEMBER OF THE GROUP CONSISTING OF METHYL ALCOHOL, ETHYL ALCOHOL AND ISOPROPYL ALCOHOL.
Claim 2
Independent Claim
72 words
A METHOD OF INCREASING THE WATER-SOLUBILITY OF A SUBSTANTIALLY WATER-INSOLUBLE QUATERNARY AMMONIUM BENZOSULFIMIDE WHICH COMPRISES ADMIXING WITH SAID BENZOSULFIMIDE IN AQUEOUS MIXTURE ABOUT 0.1-10% BY WEIGHT OF THE MIXTURE OF A SALT SELECTED FROM THE GROUP CONSISTING OF SODIUM AND POTASSIUM CHLORIDES, SODIUM AND POTASSIUM SULFATES AND AMMONIUM PHOSPHATE AND ABOUT 0.95-34% BY WEIGHT OF THE MIXTURE OF A MEMBER OF THE GROUP CONSISTING OF METHYL ALCOHOL, ETHYL ALCOHOL AND ISOPROPYL ALCOHOL.
References Cited (Backward Citations)
US2725326A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-05-02 | 1969-11-01 | 1970-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-02 | 1973-11-01 | 1974-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-02 | 1977-11-01 | 1978-05-03 | $7700.00 | Window Closed / Lapsed |