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. 09, 1989
Filed:
Feb. 11, 1987
Applicant:
Inventors:
Katsuhiko Kuroda, Yokohama, JP;
Hideki Yamanouchi, Machida, JP;
Assignee:
Mitsubishi Chemical Industries Limited, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
B01D / ; B01D / ;
U.S. Cl.
CPC ...
210782 ; 210516 ; 210789 ; 252 60 ; 422101 ; 422102 ; 436177 ; 494 37 ;
Abstract
A liquid separating agent consisting essentially of (A) a separating layer-forming material which is a polymeric oily substance selected from the group consisting of a copolymer of an .alpha.-olefin with an .alpha.,.beta.-unsaturated dicarboxylic acid diester and a copolymer of a styrene with an .alpha.,.beta. unsaturated dicarboxylic acid diester and (B) an organic gelling agent which is a condensation product of a benzaldehyde with a tetra- or higher hydric alcohol.