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. 05, 1976
Filed:
Aug. 22, 1974
Applicant:
Inventors:
Assignee:
Societe Rhone-Progil, , FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
252428 ; 252426 ; 210 / ;
Abstract
Bodies formed of porous, divided or colloidal inorganic material containing surface hydroxyl groups which are modified by grafting to the surface an organic group to establish an --O--Si bond, wherein the organic group has an average molecular weight greater than 150 and contains at least one hydrophilic functional group. The bodies of this invention are well suited for use in chromatography.