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, 2024
Filed:
Aug. 10, 2020
Applicant:
Dow Silicones Corporation, Midland, MI (US);
Inventors:
Reza Hagh Panah, Midland, MI (US);
Michael Depierro, Midland, MI (US);
Barry Ketola, Midland, MI (US);
Assignee:
Dow Silicones Corporation, Midland, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01B 33/107 (2006.01); C07F 7/12 (2006.01);
U.S. Cl.
CPC ...
C01B 33/10794 (2013.01); C07F 7/127 (2013.01);
Abstract
A process for removing metallic impurities from halogenated silicon compounds, such as chlorosilane monomers and/or chlorinated polysilanes is disclosed. The process involves treating a halogenated silicon compound with a tertiary amine and thereafter a suitable grade of activated carbon.