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:
Jun. 08, 1993
Filed:
May. 14, 1990
Applicant:
Inventors:
Koji Sakata, Kitakyushu, JP;
Kouji Sakawaki, Kitakyushu, JP;
Assignee:
Mitsui Mining Company, Limited, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C01B / ;
U.S. Cl.
CPC ...
4234471 ; 4234474 ; 4234476 ; 264 291 ; 264 292 ;
Abstract
Disclosed is a process for producing carbon materials which comprises the steps of preparing a raw material composition by mixing a methylene type linkage-containing condensation product of an aromatic sulfonic acid or a salt thereof with a solvent, the condensation product having been formed by means of a linkage of the formula
Sakata, Koji. (1993). Process for producing carbon materials (U.S. Patent No. 5217701). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5217701
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile