Patent US2688583A successfully refreshed from Google Patents.
US2688583A
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Water dispersible quaternary ammonium germicide and aluminum salt compositions
Assignee: California Research LLC
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Filing: 1950-09-29
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Granted: 1954-09-07
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Expires: 1970-09-29
Abstract
No abstract record available.
Inventors
- 👤 John L Darragh
- 👤 Gordon B Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 17:27
CPC Classifications
A; A01; A01N; A01N31/00; A01N31/08; A01N31/12; C; C02; C02F; C02F1/00; C02F1/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
55 words
A GERMICIDAL COMPOSITION ADAPTED TO PRODUCE CLEAR AQUEOUS DISPERSIONS UPON ADDITION TO TAP WATER WHICH CONSISTS ESSENTIALLY OF DODECYLBENZYL TRIMETHYL AMMONIUM CHLORIDE AND FROM ABOUT 4 TO ABOUT 30 PER CENT, BY WEIGHT, BASED ON THE AMOUNT OF QUATERNARY AMMONIUM CHLORIDE, OF AN ALUMINUM SALT OF THE GROUP CONSISTING OF ALUMINUM SULFATE AND ALUMINUM CHLORIDE.
Claim 2
Dependent Claim
55 words
A GERMICIDAL COMPOSITION ADAPTED TO PRODUCE CLEAR AQUEOUS DISPERSIONS UPON ADDITION TO TAP WATER WHICH CONSISTS ESSENTIALLY OF DODECYLBENZYL TRIMETHYL AMMONIUM CHLORIDE AND FROM ABOUT 4 TO ABOUT 30 PER CENT, BY WEIGHT, BASED ON THE AMOUNT OF QUATERNARY AMMONIUM CHLORIDE, OF AN ALUMINUM SALT OF THE GROUP CONSISTING OF ALUMINUM SULFATE AND ALUMINUM CHLORIDE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-09-06 | 1958-03-08 | 1958-09-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-09-06 | 1962-03-08 | 1962-09-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-09-06 | 1966-03-08 | 1966-09-07 | $7700.00 | Window Closed / Lapsed |