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:
May. 01, 1990
Filed:
Jul. 26, 1988
Applicant:
Inventors:
Assignee:
Tohoku University, Sendai, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C01B / ;
U.S. Cl.
CPC ...
423448 ; 423445 ; 423449 ;
Abstract
A method making high-orientation sheet-like graphite by inserting monomer of high molecular compound between layers of laminar compound such as montmorillonite, polymerizing the monomer, preliminarily carbonizing the thus formed polymer, removing the laminar compound by acid treatment, and effecting graphitization at a high temperature.