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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.:

US 12774294 B1

PDFFull Text
Date of Patent:
Oct. 27, 2026

Filed:

Nov. 24, 2023

Method and system for selective recovery of monochlorosilane and dichlorosilane in polysilicon production process

Applicant:

Advanced Material Solutions, Llc, Missoula, MT (US);

Inventors:

Chad Fero, Missoula, MT (US);

Kevin Papp, Missoula, MT (US);

Joah Smith, Lolo, MT (US);

Joshua Flynn, Missoula, MT (US);

Assignee:

Advanced Material Solutions, LLC;

Attorneys:

NKL Law

Jae Youn Kim

Primary Examiner:

Amy C Bonaparte

Int. Cl.
CPC ...
C07F 7/02 (2006.01); B01D 3/14 (2006.01); C01B 21/087 (2006.01); C01B 33/04 (2006.01); C01B 33/107 (2006.01);
U.S. Cl.
CPC ...
C07F 7/025 (2013.01); B01D 3/143 (2013.01); C01B 21/087 (2013.01); C01B 33/043 (2013.01); C01B 33/1071 (2013.01); C01B 33/10778 (2013.01);
Abstract

A method and system for selectively recovering monochlorosilane and dichlorosilane from polysilicon production process are provided. The system and method selectively recover the monochlorosilane and the dichlorosilane contained in an exhaust stream discharged from a chemical vapor deposition unit for a polysilicon production process and the monochlorosilanes and the dichlorosilanes may be obtained with minimal capital investment or complexity.

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Fero, Chad. (2026). Method and system for selective recovery of monochlorosilane and dichlorosilane in polysilicon production process (U.S. Patent No. 12774294). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12774294

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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