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:
Jul. 03, 2012
Filed:
Jan. 20, 2009
Applicants:
Akihiro Ishii, Saitama, JP;
Hideyuki Tsuruta, Fujimino, JP;
Inventors:
Akihiro Ishii, Saitama, JP;
Hideyuki Tsuruta, Fujimino, JP;
Assignee:
Central Glass Company, Limited, Ube-shi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 29/78 (2006.01);
U.S. Cl.
CPC ...
Abstract
There is disclosed a purification method of an optically active 1-(2-trifluoromethylphenyl)ethanol represented by the formula [1], which includes recrystallizing the optically active 1-(2-trifluoromethylphenyl)ethanol from an aliphatic hydrocarbon solvent where * denotes an asymmetric carbon. This method makes it possible to improve the optical purity of the ethanol significantly.
Ishii, Akihiro. (2012). Method for purifying optically active 1-(2-trifluoromethylphenyl)ethanol (U.S. Patent No. 8212085). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8212085
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile