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. 17, 1988
Filed:
Jun. 27, 1985
Applicant:
Inventors:
Hartmut Voelskow, Hattersheim am Main, DE;
Reinhold Keller, Bad Soden am Taunus, DE;
Merten Schlingmann, Konigstein, DE;
Martin Platen, Frankfurt am Main, DE;
Johann Then, Bonn, DE;
Gerhard Wohner, Florsheim am Main, DE;
Assignee:
Hoechst Aktiengesellschaft, , DE;
Primary Examiner:
Int. Cl.
CPC ...
C12P / ; C12N / ; C12N / ;
U.S. Cl.
CPC ...
435108 ; 435245 ; 435182 ;
Abstract
L-Phenylalanine can be prepared using microorganisms belonging to the series comprising E. coli, Paracoccus denitrificans, Torula, Rhodotorula or Streptomyces after adaptation to phenylpyruvic acid, by amination with suitable sources of nitrogen. It is advantageous to employ the microorganism in the form of fixed cells.