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:
Aug. 20, 1985
Filed:
Sep. 07, 1983
Applicant:
Inventor:
Zia Haq, Merseyside, GB;
Assignee:
Lever Brothers Company, New York, NY (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C08J / ;
U.S. Cl.
CPC ...
521146 ; 521 62 ; 521 63 ; 521 64 ; 521147 ;
Abstract
Porous, cross-linked polymeric materials comprising hydrocarbon residues can be sulphonated to produce sulphonated polymers which are able to absorb large volumes of ionic solutions and also act as ion-exchange resins.