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. 14, 1984
Filed:
Jan. 26, 1983
Applicant:
Inventors:
Hansjorg Grass, Muttenz, CH;
Erich Widmer, Munchenstein, CH;
Assignee:
Hoffmann-La Roche Inc., Nutley, NJ (US);
Primary Examiner:
Int. Cl.
CPC ...
C25B / ;
U.S. Cl.
CPC ...
204 75 ; 204 / ;
Abstract
A process for the manufacture of 3-hydroxy-2-cycloalken-1-one derivatives by cathodically reducing a compound of the general formula ##STR1## wherein n is the integer 0 or 1, to a compound of the formula ##STR2## wherein n has the above significance, and, if desired, further cathodically reducing the resulting compound in acidic or neutral medium to a compound of the general formula ##STR3## wherein n has the above significance.