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. 25, 2008
Filed:
Dec. 17, 2004
Binh Thanh Nguyen, Midland, MI (US);
Curtis John Bedbury, Midland, MI (US);
Roger Edwin Humburg, Midland, MI (US);
Susan Mary Jacob, Midland, MI (US);
Sarah Jane Ratcliff, Midland, MI (US);
John Dennis Waterman, Coleman, MI (US);
Binh Thanh Nguyen, Midland, MI (US);
Curtis John Bedbury, Midland, MI (US);
Roger Edwin Humburg, Midland, MI (US);
Susan Mary Jacob, Midland, MI (US);
Sarah Jane Ratcliff, Midland, MI (US);
John Dennis Waterman, Coleman, MI (US);
Dow Corning Corporation, Midland, MI (US);
Abstract
A Grignard process for preparing phenyl-containing chlorosilane products, in particular diphenylchlorosilanes, is carried out in three embodiments. In the first embodiment, the reactants of the Grignard process are a phenyl Grignard reagent, an ether solvent, a trichlorosilane, and an aromatic hydrocarbon coupling solvent. In the second embodiment, the reactants of the Grignard process are a phenyl Grignard reagent, an ether solvent, a phenylchlorosilane, and an aromatic hydrocarbon coupling solvent. In the third embodiment, the reactants of the Grignard process are a phenyl Grignard reagent, an ether solvent, a trichlorosilane, a phenylchlorosilane, and an aromatic hydrocarbon coupling solvent. In each embodiment, the reactants are present in a particular mole ratio.