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:
Jan. 20, 1981
Filed:
Aug. 29, 1979
Applicant:
Inventors:
Axel Kleemann, Hanau, DE;
Werner Schwarze, Frankfurt, DE;
Assignee:
Deutsche Gold- und Silber-Scheideanstalt vormals Roessler, Frankfurt, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ;
U.S. Cl.
CPC ...
2604 / ; 2604656 ;
Abstract
Aliphatic, cycloaliphatic and aromatic epoxides are reacted with ketone cyanohydrins of the formula ##STR1## wherein R.sub.1 and R.sub.2 are aliphatic groups of 1 to 4 carbon atoms at 20.degree. to 150.degree. C. to produce hydroxynitriles. The reaction optionally can be carried out in an inert organic solvent.