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:
Nov. 13, 2001
Filed:
Jul. 05, 1994
Applicant:
Inventor:
Ronald Paul Gee, Midland, MI (US);
Assignee:
Dow Corning Corporation, Midland, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L 8/300 ; C08K 5/19 ; C08K 5/41 ; C08K 5/06 ;
U.S. Cl.
CPC ...
C08L 8/300 ; C08K 5/19 ; C08K 5/41 ; C08K 5/06 ;
Abstract
A method for making oil free polysiloxane standard, fine and microemulsions using emulsion polymerization is disclosed. The method comprises reacting a cyclicsiloxane in the presence of a catalyst, ionic surfactant and nonionic surfactant within a certain operating window. Emulsions containing silicone copolymers can also be produced using the method of the instant invention.