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:
Nov. 17, 1987
Filed:
Aug. 01, 1986
Applicant:
Inventors:
Assignee:
Ceskoslovenskla akademie ved, , CS;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F / ;
U.S. Cl.
CPC ...
525 60 ; 525 61 ;
Abstract
A polymeric sulfoxide based on a polymer or copolymer of vinyl alcohol is disclosed, as well as a method of producing it. Sulfoxide containing polymers are useful as catalysts, as membranes and to hold metal cations. Hydrophilic and hydrophobic characteristics can be varied over wide ranges. The general formula for the polymeric sulfoxide of the invention is: ##STR1## where x and y are both greater than 0, z=0-0.8, and x+y+z=1.