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:
Jul. 13, 1976
Filed:
Jul. 10, 1974
Applicant:
Inventor:
Francois Meiller, Palaiseau, FR;
Assignee:
Rhone-Progil, Courbevoie, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C02B / ;
U.S. Cl.
CPC ...
252179 ; 1062 / ; 260 / ; 428447 ;
Abstract
An ion exchange substance formed of a porous mineral support having a specific surface area greater than 10 sq.m/g and an organo silicon compound containing at least one amine group in an organic group attached to the silicon atom grafted onto the porous mineral support via the silicon atom of the organo silicon compound and an oxygen group on the support and in which the terminal radicals on the amino group are alkyl groups having from 1 to 3 carbon atoms. SPECIFICATION