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:
Sep. 06, 1977
Filed:
Sep. 15, 1975
Applicant:
Inventors:
Sumio Matsuda, Ibaraki, JA;
Hajime Kudara, Shiga, JA;
Assignee:
Chugoku Marine Paints, Ltd., Hiroshima, JA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07F / ;
U.S. Cl.
CPC ...
2604297 ;
Abstract
Monoalkyl-tin-trihalides are prepared in a high yield by a method in which a stannous halide reacts with an alkyl halide in an organic solvent in the presence of a catalytic substance selected from the group consisting of magnesium, iodine, bromine, Grignard reagents and a mixture of two or more of the above-mentioned substances, the organic material being selected from liquid alcohols, tetrahydrofuran, liquid organic acids, liquid esters of organic acids, liquid ketones, liquid hydrocarbons and mixtures of two or more of the above-mentioned compounds, and the resultant monoalkyl-tin-trihalide is isolated from the reaction mixture.