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:
Jun. 15, 1976
Filed:
Jul. 18, 1974
Applicant:
Inventors:
Syamalarao Evani, Midland, MI (US);
Frederick P Corson, Midland, MI (US);
Assignee:
The Dow Chemical Company, Midland, MI (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C08F / ;
U.S. Cl.
CPC ...
526303 ; 260 / ; 260 / ; 2604105 ; 2605 / ; 2605707 ; 2606 / ; 2606 / ; 526334 ;
Abstract
Nonionic water soluble thickening agents are prepared by copolymerizing about 1 to 5 mole percent of a vinyl benzyl ether having the formula ##SPC1## And the balance to make 100 mole percent of acrylamide.