The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 10, 1979
Filed:
Aug. 29, 1977
Applicant:
Inventor:
Gerald H Reifenberg, Hightstown, NJ (US);
Assignee:
Pennwalt Corporation, Philadelphia, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07F / ;
U.S. Cl.
CPC ...
2604297 ;
Abstract
A process is provided for preparing monohydrocarbyltin trihalides, RSnX.sub.3, wherein R is an alkyl, cycloalkyl, alkaryl, aryl or aralkyl group of 1-24 carbon atoms, and X is a halogen atom by the redistribution reaction between a tetrahydrocarbyltin, R.sub.4 Sn, a trihydrocarbyltin halide, R.sub.3 SnX, or a dihydrocarbyltin dihalide, R.sub.2 SnX.sub.2, and a tin tetrahalide, SnX.sub.4, in the presence of sulfonium or isothiuronium salts as catalysts.