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. 10, 1988
Filed:
Jun. 30, 1986
Applicant:
Inventors:
Yutaka Ohtsu, Yokohama, JP;
Hiroshi Fukui, Yokohama, JP;
Motokiyo Nakano, Yokohama, JP;
Okitsugu Nakata, Yokohama, JP;
Taketoshi Kanda, Yokohama, JP;
Isao Tanaka, Yokohama, JP;
Osamu Shirota, Yokohama, JP;
Junichi Koyama, Yokohama, JP;
Assignee:
Shiseido Company Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
210635 ; 2101982 ; 2105021 ; 210656 ; 427212 ; 427221 ; 428405 ; 502401 ; 502402 ; 502439 ;
Abstract
A packing material for liquid chromatography, comprising particles having a silicone polymer film coated on substantially the entire surface thereof, the packing material being produced by a process comprising the steps of: