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. 28, 2002
Filed:
Apr. 28, 2000
Gregory Scott Becker, Sanford, MI (US);
Leslie Earl Carpenter, II, Midland, MI (US);
Russell Keith King, Midland, MI (US);
Tetsuyuki Michino, Kanagawa Prefecture, JP;
Eric Scott Moyer, Midland, MI (US);
Craig Rollin Yeakle, Midland, MI (US);
Other;
Abstract
A method for hydrolyzing chlorosilanes having at least three chlorine atoms bonded to each silicon atom to form silicone resins. The method comprises adding at least one of hydridotrichlorosilane, tetrachlorosilane, or organotrichlorosilane to a two-phase mixture comprising a non-polar organic solvent, an aqueous phase comprising 0 to about 43 weight percent hydrochloric acid, and a surface active compound selected from the group consisting of organosulfates described by formula R SO H and alkali metal salts thereof, where R is selected from the group consisting of alkyl groups comprising about 4 to 16 carbon atoms and alkylphenyl groups comprising 7 to about 22 carbon atoms.