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. 20, 1993
Filed:
Feb. 21, 1989
Applicant:
Inventors:
Daniele Bianchi, Milan, IT;
Pietro Cesti, Trecate, IT;
Carlo Pina, Milan, IT;
Ezio Battistel, La Spezia, IT;
Assignee:
Istituto Guido Donegani S.p.A., N Ovara, IT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C12N / ; C12N / ; C12N / ; C12P / ;
U.S. Cl.
CPC ...
435136 ; 435180 ; 435197 ; 435198 ; 435280 ; 435921 ;
Abstract
Continuous biotechnological preparation of optical isomer S(+) of 2-(6-methoxy-2-naphthyl) propionic acid consisting in the reaction of a racemic (R,S) ester of 2-(6-methoxy-2-naphthyl) propionic acid having melting point below 50.degree. C. of formula: ##STR1## wherein R.sub.1 =a C.sub.2 -C.sub.10 alkyl, C.sub.4 -C.sub.6 cycloalkyl, phenyl, tetrahydropyranyl , tetrahydrofuranyl radicals and