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:
Sep. 20, 1983
Filed:
Jan. 15, 1982
Applicant:
Inventors:
Richard F Krebs, LaGrange, IL (US);
Patrick J Marek, Geneva, IL (US);
Kenneth G Phillips, River Forest, IL (US);
Assignee:
Nalco Chemical Company, Oak Brook, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08J / ; C08L / ;
U.S. Cl.
CPC ...
523336 ; 524555 ;
Abstract
The abstract of the disclosure is a method of rapidly preparing a dilute aqueous solution of poly N,N lower dialkylaminomethyl acrylamide and copolymers thereof having a molecular weight greater than 500,000 and a cationic charge of 1-90% which comprises: