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:
Mar. 20, 1984
Filed:
Oct. 28, 1981
Applicant:
Inventors:
Kunimichi Kubo, Tokyo, JP;
Yasunosuke Miyazaki, Machida, JP;
Mamoru Yoshikawa, Kawasaki, JP;
Mituji Miyoshi, Kanagawa, JP;
Assignee:
Nippon Oil Company, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J / ;
U.S. Cl.
CPC ...
422135 ; 422131 ; 422137 ; 422138 ; 422225 ; 422231 ; 422234 ;
Abstract
A horizontal agitation bed type vapor phase polymerization apparatus for olefins provided on its lower curved surface with plural cells each having an opening facing on the polymerization reaction system and further having small holes formed in its side wall portion for feeding a starting olefin gas.