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. 12, 1989
Filed:
Jan. 06, 1989
Applicant:
Inventors:
Toru Tanaka, Okayama, JP;
Masato Inari, Okayama, JP;
Assignee:
Mitsubishi Gas Chemical Company, Inc., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07B / ; C07C / ;
U.S. Cl.
CPC ...
562416 ; 502102 ; 502225 ; 502324 ; 502331 ; 562417 ; 562421 ;
Abstract
A process for producing 2,6-naphthalene dicarboxylic acid which comprises oxidizing a 2-alkyl-6-acyl naphthalene with molecular oxygen-containing gas in the presence of a catalyst containing cobalt, manganese, bromine and at least one metal selected from the group consisting of iron, copper and mixtures thereof in an acetic acid solvent is disclosed.
Tanaka, Toru. (1989). Process for producing 2,6-naphthalene dicarboxylic acid (U.S. Patent No. 4886906). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4886906
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile