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. 11, 1980
Filed:
Feb. 21, 1979
Applicant:
Inventors:
V N Rao, Wilmington, DE (US);
Stanislaw B Ziemecki, Wilmington, DE (US);
Assignee:
E. I. Du Pont de Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ;
U.S. Cl.
CPC ...
568487 ;
Abstract
Formaldehyde is synthesized by continuously passing a gaseous mixture of methanol and nitrous oxide over a metallic silver-containing catalyst bed at a temperature of about 475 to about 675.degree. C.
Rao, V. (1980). Process for oxidation of methanol to formaldehyde with nitrous oxide (U.S. Patent No. 4233248). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4233248
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile