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US2946824A
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US
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Alkylbenzyltriphenylphosphonium chlorides
Assignee: GAF Chemicals Corp
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Filing: 1958-10-15
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Granted: 1960-07-26
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Expires: 1978-10-15
Abstract
No abstract record available.
Inventors
- 👤 Max E Chiddix
- 👤 Earl P Williams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:45
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/28; C07F9/54; C07F9/5456
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
7 words
ALKYLBENZYLTRIPHENYLPHOSPHONIUM CHLORIDES HAVING THE FOLLOWING GENERAL FORMULA:
Claim 2
Dependent Claim
7 words
ALKYLBENZYLTRIPHENYLPHOSPHONIUM CHLORIDES HAVING THE FOLLOWING GENERAL FORMULA:
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) | 1963-07-26 | 1964-01-25 | 1964-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-26 | 1968-01-25 | 1968-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-26 | 1972-01-25 | 1972-07-26 | $7700.00 | Window Closed / Lapsed |