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. 09, 1980
Filed:
Nov. 20, 1978
Applicant:
Inventor:
Jack Lydiate, East Rosanna, AU;
Assignee:
ICI Australia Limited, Melbourne, AU;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08L / ; C08F / ; C08F / ;
U.S. Cl.
CPC ...
521 32 ; 525376 ; 521 38 ;
Abstract
A process of removing unsaturation from resins by reaction with diimine. Thermally regenerable ion exchange resins are prepared by the hydrogenation of unsaturated polymers containing unquaternized amino groups with diimine. Procedures for generating the reactive diimine intermediate from precursors such as hydrazine are described.