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. 12, 1993
Filed:
Nov. 30, 1990
Applicant:
Inventors:
Satomi Takahashi, Kobe, JP;
Shigeo Hayashi, Takasago, JP;
Naoaki Taoka, Takasago, JP;
Noboru Ueyama, Kakogawa, JP;
Assignee:
Kanegafuchi Chemical Industry Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ; C07D / ;
U.S. Cl.
CPC ...
548541 ; 558 48 ;
Abstract
3-Pyrrolidinol or its salt is economically produced by cyclizing an aminobutanol derivative of the formula: ##STR1## wherein R is an alkyl or a substituted or unsubstituted phenyl group, or its salt.