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:
Jan. 01, 2013
Filed:
Sep. 27, 2011
Isabelle Maton, Braine l'alleud, BE;
Giuseppina Lavinaro, Trivieres, GB;
Jean Willieme, Quaregnon, BE;
Tommy Detemmerman, Wezembeek-Oppem, BE;
Robert Drake, Penarth, GB;
Isabelle Maton, Braine l'alleud, BE;
Giuseppina Lavinaro, Trivieres, GB;
Jean Willieme, Quaregnon, BE;
Tommy Detemmerman, Wezembeek-Oppem, BE;
Robert Drake, Penarth, GB;
Dow Corning Corporation, Midland, MI (US);
Abstract
A method of preparing a diluted chain extended organopolysiloxane containing polymer comprising the steps of reacting a pre-formed polymer with a suitable chain extender reactable with terminal groups of the polymer in the presence of a diluent material, a suitable catalyst and optionally an end-blocking agent; and Where required quenching the polymerization process wherein the diluent material is substantially retained within the resulting diluted organopolysiloxane containing polymer. The case additionally relates to products of the process and subsequent applications for the polymer such as for example sealants and rubbers.