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:
Apr. 02, 1996
Filed:
Apr. 05, 1995
Applicant:
Inventors:
Jean-Marc Gilson, Sombreffe, BE;
Viken Kortian, Midland, MI (US);
Didier P Vanderveken, Brussels, BE;
Assignee:
Dow Corning Corporation, Midland, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L / ;
U.S. Cl.
CPC ...
524837 ; 524588 ;
Abstract
Emulsions containing liquid polymers are made by first condensing monomers in a polymerization reactor having an inlet, a reaction chamber, and an outlet. The monomers are mixed with a condensation catalyst, and a pressurized gas forms a foaming mixture. The foaming mixture is fed down the chamber to the outlet while the monomers polymerize in the chamber. Water and a surfactant are then fed to the lower end of the chamber to form a water-in-oil emulsion with the aid of the foaming action in the chamber. A shear device then inverts the water-in-oil emulsion to an oil-in-water emulsion.