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. 03, 1978
Filed:
Oct. 13, 1976
Applicant:
Inventors:
Charles P Talley, Prosperity, PA (US);
Guy M Bradley, Chesterfield, MO (US);
Ronald T Guliana, Monroe, MI (US);
Assignee:
Calgon Corporation, Pittsburgh, PA (US);
Primary Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
210 / ; 2101 / ; 210502 ; 428406 ;
Abstract
Controlled porosity supports having a siliceous surface are treated with a silane compound followed by treatment with a quaternizing agent to introduce quaternary ammonium moieties on the beads which are used to perform molecular size separations on cationic polymers.
Talley, Charles. (1978). Quaternized siliceous supports for gel permeation chromatography (U.S. Patent No. 4118316). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4118316
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile