US3582293A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of thiophosphoryl halides
Assignee: Ethyl Corp
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Filing: 1967-09-08
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Granted: 1971-06-01
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Expires: 1987-09-08
Abstract
Abstract ALKYLPHOSPHONOTHIOIC DICHLORIDE-ALUMINUM TRIHALIDE COMPLEXES, WHICH CAN BE PRODUCED BY REACTING THIOPHOSPHORYL HALIDE WITH AN ALKYL ALUMINUM SESQUIHALIDE OR TRIALKYL ALUMINUM, CATALYZE THE FORMATION OF THIOPHOSPHORYL HALIDE FROM SULFUR AND PHOSPHORUS TRIHALIDE.
Inventors
- 👤 Joseph D Odenweller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-10 02:25
CPC Classifications
B; B01; B01J; B01J31/00; B01J31/16; B01J31/18; B01J31/1845; B01J31/1865; B01J31/185; C; C01; C01B; C01B25/00; C01B25/10; C07; C07F; C07F9/00; C07F9/02; C07F9/28; C07F9/38; C07F9/42; B01J2531/00; B01J2531/30; B01J2531/31; B01J31/02; B01J31/12; B01J31/14; B01J31/143; B01J31/22; B01J31/2204; B01J31/226
Claims Analysis
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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) | 1974-05-31 | 1974-11-30 | 1975-06-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-05-31 | 1978-11-30 | 1979-06-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-05-31 | 1982-11-30 | 1983-06-01 | $7700.00 | Window Closed / Lapsed |