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:
Aug. 22, 1989
Filed:
Jan. 19, 1988
Applicant:
Inventors:
Assignee:
Degussa Aktiengesellschaft, Frankfurt am Main, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ; C07C / ; C07C / ;
U.S. Cl.
CPC ...
549491 ; 546330 ; 548561 ; 549 75 ; 549442 ; 549552 ; 558351 ;
Abstract
Optically active cyanohydrins are produced by the reaction of an aldehyde with hydrocyanic acid in the presence of D-oxynitrilase (E.C.4.1.2.10). The reaction takes place in an organic solvent which is not miscible with water, but which is saturated with water or an aqueous buffer solution.