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:
Mar. 11, 1986
Filed:
Dec. 12, 1984
Applicant:
Inventors:
Kenneth W Dixon, Thornton, PA (US);
Steven M Menchen, Rosemont, PA (US);
Assignee:
Atlantic Richfield Company, Los Angeles, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08K / ;
U.S. Cl.
CPC ...
524253 ; 524251 ; 524257 ;
Abstract
Aqueous solutions of water-soluble cationic amine polymers which are stable against viscosity changes are prepared by adding small amounts of amine compounds to the solutions and adjusting the pH of the solutions to a value in the range of about 10.5 to 12.5.