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:
Feb. 21, 1978
Filed:
Apr. 14, 1976
Applicant:
Inventor:
Raymond Joseph Schaper, Pittsburgh, PA (US);
Assignee:
Calgon Corporation, Pittsburgh, PA (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
260 / ; 210 54 ; 252390 ; 2602 / ; 2603 / ; 2604659 ; 2604 / ; 2604 / ; 2605 / ; 2605 / ; 2605 / ; 428511 ; 526 111 ;
Abstract
Novel functional ionene polymer compositions have been prepared which have been found to be useful in a wide variety of applications, including, among others, as wet and dry strength additives, corrosion inhibitors, and electroconductive coatings, and which comprise recurring units of the formula: ##STR1##