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:
Nov. 25, 1980
Filed:
Jun. 26, 1979
Christian Dudeck, Limburgerhof, DE;
Gunter Lehmann, Ludwigshafen, DE;
Karl-Heinz Ross, Mutterstadt, DE;
Werner Fliege, Otterstadt, DE;
Norbert Petri, Frankenthal, DE;
Hans Diem, Mannheim, DE;
Bernd Meissner, Heidelberg, DE;
Wolfgang Sauer, Mannheim, DE;
BASF Aktiengesellschaft, , DE;
Abstract
Diketones are prepared by oxidizing glycols in the presence of a silver catalyst and/or copper catalyst of a specific particle size, under specific temperature conditions and with a specific composition of the catalyst. The end products are starting materials for the preparation of dyes, drugs, plastics, scents, wrinkle-resist finishes and assistants for increasing the tear strength and resilience of fibrous materials, hardeners for use in the photographic industry, textile assistants for preventing shrinkage after washing, and paper assistants.