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:
Sep. 30, 1997
Filed:
Feb. 25, 1992
Applicant:
Inventors:
Taketoshi Kanda, Yokohama, JP;
Atsuo Sakamoto, Yokohama, JP;
Michio Yokouchi, Yokohama, JP;
Yutaka Ohtsu, Yokohama, JP;
Assignee:
Shiseido Company Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B / ; B29C / ; D04H / ; B05D / ;
U.S. Cl.
CPC ...
4283044 ; 264 464 ; 264 83 ; 264128 ; 427333 ; 427340 ; 427386 ; 427387 ;
Abstract
A packing material for a column comprises a porous support coated with silicone polymer having an Si--R bond, wherein R is a hydrophobic group and an Si--R' bond, wherein R' is a hydrophilic group, and a process for the production thereof.
Kanda, Taketoshi. (1997). Packing material for column and process for production thereof (U.S. Patent No. 5672422). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5672422
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile