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. 07, 1982
Filed:
Sep. 29, 1980
Applicant:
Inventors:
Assignee:
Toho Beslon Co., Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C01B / ; B01J / ; D01F / ; D01F / ;
U.S. Cl.
CPC ...
252422 ; 252447 ; 264 292 ; 4234472 ;
Abstract
A fibrous activated carbon having high adsorptivity and excellent mechanical properties is produced by preoxidizing an acrylonitrile-based fiber containing a specific amount of an iron compound at a specific initial heat-treatment temperature and then activating.
Ikegami, Shigeru. (1982). Process for the production of fibrous activated carbon (U.S. Patent No. 4362646). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4362646
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile