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. 07, 1992
Filed:
Nov. 23, 1990
Applicant:
Inventors:
Naoaki Taoka, Takasago, JP;
Kenji Inoue, Kako, JP;
Shigeo Hayashi, Takasago, JP;
Noboru Ueyama, Kakogawa, JP;
Satomi Takahashi, Kobe, JP;
Assignee:
Kanegafuchi Chemical Industry Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ;
U.S. Cl.
CPC ...
560 14 ; 560150 ; 560 11 ;
Abstract
A 3,4-epoxybutyrate of the formula: ##STR1## wherein R.sup.1 is an alkyl or aralkyl group is efficiently prepared by a process comprising steps of: