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:
May. 10, 1977
Filed:
Mar. 15, 1976
Applicant:
Inventors:
Richard F Tuka, Oak Lawn, IL (US);
Peter H Vossos, Lisle, IL (US);
Ralph R Nielsen, Oak Lawn, IL (US);
Carl J Guardia, Joliet, IL (US);
Assignee:
Nalco Chemical Company, Oak Brook, IL (US);
Primary Examiner:
Int. Cl.
CPC ...
C08K / ; C08G / ; C08F / ;
U.S. Cl.
CPC ...
260 / ; 260 / ;
Abstract
A process for preparing a dilute aqueous solution of a cationically modified polyacrylamide from a water-in-oil emulsion of a finely divided water soluble acrylamide polymer, a secondary amine containing 2 - 4 carbon atoms and formaldehyde is disclosed.
Tuka, Richard. (1977). Continuous process for the preparation of a cationically modified (U.S. Patent No. 4022741). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4022741
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile