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. 13, 1976
Filed:
Mar. 22, 1972
Applicant:
Inventors:
Karl Seither, Ludwigshafen, DT;
Guenther Matthias, Ludwigshafen, DT;
Hans Diem, Mannheim, DT;
Oskar Hussy, Ludwigshafen, DT;
Hans Haas, Ludwigshafen, DT;
Assignee:
Badische Anilin- & Soda-Fabrik Aktiengesellschaft, Ludwigshafen (Rhine), DT;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
2606 / ;
Abstract
The manufacture of formaldehyde by oxidative dehydrogenation of crude methanol in the presence of a silver catalyst, the crude methanol being caused to impinge against baffle plates before the reaction takes place, the impurities which separate at the baffle plates being collected. The formaldehyde manufactured by the process of the invention is valuable as a disinfectant, tanning agent, reducing agent and intermediate in the manufacture of synthetic resins, adhesives and plastics.