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:
Dec. 07, 1976
Filed:
Jan. 23, 1975
Applicant:
Inventors:
Laszlo Imre, Cologne, DT;
Heinrich Nassenstein, Leverkusen-Steinbuechel, DT;
Assignee:
Bayer Aktiengesellschaft, Leverkusen, DT;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
2606 / ;
Abstract
In the gas phase reaction of methane and oxygen at elevated temperature to form formaldehyde, the improvement which comprises effecting the reaction in the presence of silicon dioxide as catalyst, the silicon dioxide having a large internal surface area. Other metal oxides may be mixed with the silicon dioxide.