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:
Mar. 27, 2012
Filed:
Jul. 13, 2006
Applicant:
Pierre Maurice Chevalier, Lille, FR;
Inventor:
Pierre Maurice Chevalier, Lille, FR;
Assignee:
Dow Corning Corporation, Midland, MI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B05D 3/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method of preparing a hydrophobic mineral and/or filler material, for example a gypsum material, comprises (i) preparing a hydrolyzate containing polysiloxanes by hydrolyzing a hydrolysable silane or hydrolysable silane mixture in the presence of an acid hydrolysis catalyst; and (ii) combining the polysiloxane hydrolyzate with the mineral and/or filler, and optionally water and/or a catalyst for condensation of the hydrolysate.