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:
Mar. 15, 2005
Filed:
Jun. 17, 2004
Applicants:
Takayuki Honma, Niigata-ken, JP;
Takanobu Tsudera, Niigata-ken, JP;
Hiromi Nishiwaki, Niigata-ken, JP;
Shuji Tanaka, Niigata-ken, JP;
Inventors:
Takayuki Honma, Niigata-ken, JP;
Takanobu Tsudera, Niigata-ken, JP;
Hiromi Nishiwaki, Niigata-ken, JP;
Shuji Tanaka, Niigata-ken, JP;
Assignee:
Shin-Etsu Chemical Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07F005/00 ;
U.S. Cl.
CPC ...
Abstract
Trialkylgallium is prepared by reacting a gallium halide or alkyl gallium with trialkylaluminum in a solvent having a boiling point which is at least 10° C. higher than the boiling point of the trialkylgallium, such as mesitylene or o-dichlorobenzene. High purity alkyl gallium is obtained in high yields.