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:
Jan. 29, 1980
Filed:
Apr. 17, 1978
Applicant:
Inventors:
Tsutomu Sugasawa, Kobe, JP;
Tatsuo Toyoda, Osaka, JP;
Kazuyuki Sasakura, Omihachiman, JP;
Shiro Ueda, Osaka, JP;
Akira Takase, Kobe, JP;
Katsuto Okuno, Matsubara, JP;
Ichiro Ishizuka, Osaka, JP;
Shinzaburo Sumimoto, Osaka, JP;
Assignee:
Shionogi & Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
2604651 ; 2604656 ;
Abstract
Cyanopinacolone is produced by reacting pinacolone with about 1.0 to about 1.2 molar equivalents of chlorine in methanol and further reacting the resulting monochloropinacolone with about 1.0 to about 1.2 molar equivalents of an alkali metal cyanide in methanol.