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. 07, 1991
Filed:
Jun. 07, 1988
Charles Piskoti, Grand Blanc, MI (US);
Genesee Polymers Corporation, Flint, MI (US);
Abstract
A method of preparing an alkoxysilane and a silicone resin includes the steps of combining a siloxane A having a first boiling point with a catalyst in a reaction vessel. A tri or tetra alkoxy functional silane monomer B is added to the vessel having a second boiling point. The contents of the vessel are heated. By a rearrangement reaction, an alkoxysilane is distilled from the vessel. The alkoxysilane has a boiling point which is lower than the mixture of the boiling points of the siloxane A, the silane monomer B and the temperature of the heated vessel. A silicone resin having alkoxy functionality and no silanol functionality is recovered from the vessel.