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:
Jul. 03, 1984
Filed:
Jul. 29, 1983
Applicant:
Inventor:
John A Donohue, Elmhurst, IL (US);
Assignee:
Standard Oil Company (Indiana), Chicago, IL (US);
Primary Examiner:
Int. Cl.
CPC ...
C25B / ;
U.S. Cl.
CPC ...
204 75 ;
Abstract
Terephthalic acid, as the sodium salt, is electrochemically reduced to sodium p-hydroxymethylbenzoate wherein the catholyte comprises a soluble sodium salt and pH of the catholyte is controlled within limits to obtain good circuit efficiency and little or no by-products.
Quick Actions:
Donohue, John. (1984). Process for electrochemical reduction of terephthalic acid (U.S. Patent No. 4457814). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4457814
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile