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:
Sep. 02, 1980
Filed:
Nov. 04, 1977
Applicant:
Inventors:
Shinichi Akiyama, Takaoka, JP;
Haruhisa Yamamoto, Takaoka, JP;
Assignee:
Nippon Zeon Co. Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ;
U.S. Cl.
CPC ...
562535 ; 252432 ; 252435 ; 252437 ;
Abstract
A process for the preparation of acrylic acid which comprises reacting acrolein with molecular oxygen in the vapor phase in the presence of an oxidation catalyst composition having the following empirical formula
Akiyama, Shinichi. (1980). Process for the preparation of acrylic acid (U.S. Patent No. 4220802). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4220802
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile