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US3775451A Expired / Lapsed US ⏱️ 0.0 years remaining

Organotin thiocarboxylates and preparation thereof

Assignee: ARGUS CHEM CORP US
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Filing: 1971-02-11
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Granted: 1973-11-27
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Expires: 1991-02-11
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Abstract

Abstract A PROCESS IS PROVIDED FOR PREPARING DIORGANOTIN MONOTHIOCARBOXYLATES AND SUCH DIORGANOTIN MONOTHIOCARBOXYLATES CONTAINING ADDITIONAL GROUPS, INCLUDING DIORGANOTIN MONOHALIDE MONOTHIOCARBOXYLATES, BY REACTING A DIORGANOTIN SULFIDE WITH AN ACYL HALIDE TO FORM A DIORGANOTIN MONOHALIDE MONOTHIOCARBOXYLATE, AND OPTIONALLY FURTHER REACTING THE DIORGANOTIN MONOHALIDE MONOTHIOCARBOXYLATE WITH AN ACTIVE HYDROGEN COMPOUND SUCH AS (A) A STRONG INORGANIC ACID TO LIBERATE THE CORRESPONDING FREE THIOL ACID; OR (B) WITH A WEAK ORGANIC ACID, SUCH AS A MERCAPTAN, MERCAPTOESTER, THIOL ACID, OR CARBOXYLIC ACID, OR CARBOXYLIC ACID ESTER OR (C) AN ALCOHOL TO FORM A DIORGANOTIN MONOMERCAPTIDE MONOTHIOCARBOXYLATE, A DIORGANOTIN MONOMERCAPTO ACID ESTER MONOTHIOCARBOXYLATE, A DIORGANOTIN DITHIOCARBOXYLATE, A DIORGANOTIN MONOCARBOXYLATE MONOTHIOCARBOXYLATE, OR A DIORGANOTIN MONOALCHOLATE MONOTHIOCARBOXYLATE. DIORGANOTIN MONOHALIDE MONOTHIOCARBOXYLATES AND DIORGANOTIN MONOMERCAPTO ACID ESTER MONOTHIOCARBOXYLATES ARE ALSO PROVIDED.

Inventors

  • 👤 L Brecker

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 16:03
CPC Classifications
C; C07; C07F; C07F7/00; C07F7/22; C08; C08K; C08K5/00; C08K5/56; C08K5/57; C08K5/58

Claims Analysis

Total Claims: 0
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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) 1976-11-26 1977-05-28 1977-11-27 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1980-11-26 1981-05-28 1981-11-27 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1984-11-26 1985-05-28 1985-11-27 $7700.00 Window Closed / Lapsed

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