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. 29, 1987
Filed:
Jul. 09, 1986
Applicant:
Inventors:
Hiroyuki Akiyama, Hiratsuka, JP;
Susumu Izawa, Utsunomiya, JP;
Shigeru Okabe, Imaichi, JP;
Toru Yamaguchi, Utsunomiya, JP;
Assignee:
Japan Styrene Paper Corp., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01F / ;
U.S. Cl.
CPC ...
422135 ; 422226 ; 366315 ; 366317 ;
Abstract
An apparatus is provided for the heat treatment of polyolefin resin particles. The apparatus is equipped with an autoclave in which the particles are heated and agitated in the presence of an aqueous medium and dispersing agent. The autoclave has a tilted bottom wall portion, over which an impeller, preferably, a turbine-type impeller is provided.
Akiyama, Hiroyuki. (1987). Heat treatment apparatus for polyolefin resin particles (U.S. Patent No. 4716021). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4716021
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile