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. 12, 1991
Filed:
Feb. 28, 1990
Applicant:
Inventors:
Yoshito Ikada, Uji, JP;
Hikaru Konishi, Kyoto, JP;
Eugene Corretge, Kyoto, JP;
Kazuo Imamura, Nobeoka, JP;
Assignee:
Asahi Kasei Kogyo Kabushiki Kaisha, Osaka, JP;
Primary Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
210490 ; 21050024 ; 21050029 ; 427245 ;
Abstract
An improved regenerated cellulose membrane formed by ester-bonding an organic carboxylic acid or a functional derivative thereof to a polymeric membrane composed of a regenerated cellulose. This regenerated cellulose membrane exhibits an improved blood compatibility without lowering the dialysis performances of a regenerated cellulose membrane.
Ikada, Yoshito. (1991). Regenerated cellulose membrane and processes for preparation thereof (U.S. Patent No. 4999110). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4999110
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile