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. 27, 1986
Filed:
Oct. 01, 1984
Applicant:
Inventors:
Toshinobu Higashimura, Kyoto, JP;
Toshio Masuda, Ohtsu, JP;
Assignee:
Toray Industries, Incorporated, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
210640 ; 2105002 ; 210654 ;
Abstract
Provided is a membrane for liquid separation which comprises mainly poly(substituted acetylene) having a repeating unit represented by the following formula: ##STR1## wherein R.sub.1 represents a hydrogen atom or a methyl group, and R.sub.2 represents an alkyl group having from 1 to 3 carbon atoms.
Higashimura, Toshinobu. (1986). Membranes for liquid separations (U.S. Patent No. 4591440). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4591440
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile