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:
Sep. 25, 2012
Filed:
Nov. 09, 2007
Gérard Mignani, Lyons, FR;
Samir Mansouri, Valencin, FR;
Samuel Arthaud, Mornant, FR;
Thierry Vidal, Lyons, FR;
Gérard Mignani, Lyons, FR;
Samir Mansouri, Valencin, FR;
Samuel Arthaud, Mornant, FR;
Thierry Vidal, Lyons, FR;
Rhodia Operations, Aubervilliers, FR;
Abstract
At least one (poly)thio alkoxy and/or halosilane is/are prepared by reaction of at least one sulfur-containing reagent with at least one alkoxy and/or halosilane, wherein an ionic addition of a sulfur-containing reagent to an alkoxy and/or halosilane is preferably conducted with thermal and/or actinic activation; the novel polythio alkoxy and/or halosilanes of formula (III.2) thus prepared are particularly useful as coupling agents in elastomeric compositions containing a white filler of the silica type and having the formula (III.2) wherein, for example, Rand R=methyl and R=ethoxy.