US2759975A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mixed alkyl-benzyl-alkylol quaternary ammonium salts
Assignee: GAF Chemicals Corp
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Filing: 1952-05-28
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Granted: 1956-08-21
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Expires: 1972-05-28
Abstract
No abstract record available.
Inventors
- 👤 Max E Chiddix
- 👤 Robert L Sundberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:21
CPC Classifications
C; C23; C23F; C23F11/00; C23F11/08; C23F11/10; C23F11/14; C23F11/141; C23F11/143; C23G; C23G1/00; C23G1/02; C23G1/04; C23G1/06; C23G1/061; D; D06; D06M; D06M16/00; D06P; D06P1/00; D06P1/44; D06P1/655; D06P1/66; Y; Y10; Y10S; Y10S507/00; Y10S507/935; Y10S507/936; Y10S516/00; Y10S516/01; Y10S516/07
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
9 words
A MIXTURE OF QUATERNARY AMMONIUM CHLORIDES HAVING THE FORMULA:
Claim 2
Dependent Claim
9 words
A MIXTURE OF QUATERNARY AMMONIUM CHLORIDES HAVING THE FORMULA:
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) | 1959-08-21 | 1960-02-20 | 1960-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-08-21 | 1964-02-20 | 1964-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-08-21 | 1968-02-20 | 1968-08-21 | $7700.00 | Window Closed / Lapsed |