US3597463A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for preparing alkylthiomethyl silanes
Assignee: Procter and Gamble Co
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Filing: 1970-01-19
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Granted: 1971-08-03
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Expires: 1990-01-19
Abstract
Abstract (1) ALKYLTHIOMETHYLMETAL COMPOUNDS PREPARED BY REACTING ALKYL METHYL SULFIDES WITH POTENT METALATING AGENTS, E.G., A COMPLEX BETWEEN ALKYLITHIUM COMPOUNDS AND ALKYLENEDIAMINES; ALKYL- OR PHENYLSODIUM; OR ALKYL- OR PHENYLPOTASSIUM; (2) THE REACTION OF THE ALKYLTHIOMETHYLMETAL COMPOUNDS WITH MONO-, DI-, AND TRIHALO AND PSEUDOHALOALKYL-AND ARYSILANES, AND (3) NEW COMPOUNDS PRODUCED THEREBY CONTAINING SILICON AND SULFUR. THE ORGANO-SILICON AND SULFUR CONTAINING COMPOUNDS ARE USEFUL IN THE SYNTHESIS OF CARBON SUBSTITUTED ORGANOSULFUR DERIVATIVES.
Inventors
- 👤 Donald J Peterson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:49
CPC Classifications
C; C07; C07C; C07C323/00; A; A01; A01N; A01N57/00; A01N57/18; C07C321/00; C07F; C07F1/00; C07F1/005; C07F1/02; C07F7/00; C07F7/02; C07F7/08; C07F7/0803; C07F7/081; C07F9/00; C07F9/02; C07F9/28; C07F9/50; C07F9/5004; C07F9/53; C07F9/5304; C07F9/54; C07F9/5407; D; D06; D06M; D06M13/00; D06M13/244; D06M13/282; D06M13/285
Claims Analysis
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-08-02 | 1975-02-01 | 1975-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-08-02 | 1979-02-01 | 1979-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-08-02 | 1983-02-01 | 1983-08-03 | $7700.00 | Window Closed / Lapsed |