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:
May. 29, 1990
Filed:
Jul. 19, 1988
Applicant:
Inventors:
Assignee:
Showa Shell Sekiyu Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
568308 ; 568336 ; 568416 ;
Abstract
Fluorine-containing carbonyl compounds of the formula ##STR1## and its optically active isomers, which are useful for liquid crystal, bioactive substances, medicines, agricultural medicines such as fungicides, herbicides and hormones, organic functional materials and LB membranes, prepared by the reaction with trifluoro acetoaldehyde and RCOCH.sub.3, wherein R is a substituted or not-substituted lower alkyl group, preferably a lower alkyl having not more than 10 carbon atoms, a substituted or not-substituted aromatic group or a substituted or not-substituted arylalkyl group.