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:
Oct. 24, 1975
Applicant:
Inventor:
Joseph Michael Schmitt, Ridgefield, CT (US);
Assignee:
American Cyanamid Company, Stamford, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L / ;
U.S. Cl.
CPC ...
260 / ; 260 / ; 260 / ; 260 / ; 260 / ; 260 / ;
Abstract
A freeze-thaw stable, self-inverting, water-in-oil emulsion comprising an aqueous phase of a polymer of acrylamide, a hydrocarbon oil, a water-in-oil emulsifying agent and an inverting surfactant mixture comprising sodium bis(2-ethylhexyl)sulfosuccinate and a sodium bis(C.sub.11 -C.sub.15 alkyl)sulfosuccinate or an ethoxylated octyl or nonyl phenol and a method for the preparation thereof.