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. 05, 2019
Filed:
Aug. 08, 2018
Evonik Degussa Gmbh, Essen, DE;
Markus Rudek, Buettelborn, DE;
Susann Witzsche, Rheinfelden, DE;
Stefan Bade, Michelbach le Haut, FR;
Claudia Drescher, Loerrach, DE;
Burkhard John, Rheinfelden, DE;
Torsten Peterle, Rheinfelden, DE;
Evonik Degussa GmbH, Essen, DE;
Abstract
A process can prepare a 3-glycidyloxypropylalkoxysilane of formula (I), (R')O—(CH)—Si(OR)(I), where R groups are independently a methyl or ethyl group and R′ represents an HC(O)CHCH— group. The process includes reacting (i) a functionalized alkene of formula (II), (R′)O—CH(II), where R′ represents an HC(O)CHCH— group, with (ii) at least one hydroalkoxysilane of formula (III), HSi(OR)(III), where R groups are independently a methyl or ethyl group. The reacting takes place in the presence of (iii) a Karstedt catalyst or a catalyst having hexachloroplatinic acid as a homogeneous catalyst, and (iv) 2-ethylhexanoic acid, isononanoic acid, or both. The process further includes obtaining a product of the reacting.