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:
Oct. 18, 1994
Filed:
Aug. 19, 1992
Applicant:
Inventors:
Jurgen Eiffler, Stade, DE;
Hans-Peter Schneider, Stade, DE;
Assignee:
The Dow Chemical Company, Midland, MI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08F / ; B01J / ;
U.S. Cl.
CPC ...
521 33 ; 521 31 ;
Abstract
The resin has a polymeric matrix and functional groups of formula I wherein the radicals have the meaning stated in claim 1. The resin is prepared by reacting a corresponding resin having functional groups of formula II with HC(O)R.sup.2 and (R.sup.3).sub.2 SO.sub.3 or (R.sup.3).sub.2 S.sub.2 O.sub.5. The resin is useful for reducing the concentration of alkaline earth or transition metal ions in a solution.
Eiffler, Jurgen. (1994). Resins and processes for preparing them (U.S. Patent No. 5356937). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5356937
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile