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:
Apr. 16, 1985
Filed:
Feb. 17, 1983
Applicant:
Inventor:
Takayuki Izumi, Iruma, JP;
Assignee:
Toa Nenryo Kogyo Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C10C / ;
U.S. Cl.
CPC ...
208 44 ; 208 39 ; 4234474 ;
Abstract
A continuous process for producing an optically anisotropic pitch. A reaction tank is used to treat a starting material. An upper section is utilized for thermal decomposition polycondensation zone. A lower portion of the tank is used as a settling zone.
Izumi, Takayuki. (1985). Process for continuous production of optically anisotropic pitch (U.S. Patent No. 4511456). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4511456
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile