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:
Aug. 22, 2017
Filed:
Aug. 27, 2014
Applicant:
Wacker Chemie Ag, Munich, DE;
Inventors:
Barbara Mueller, Burgkirchen, DE;
Walter Haeckl, Kirchweidach, DE;
Wolfgang Stoiber, Eggenfelden, DE;
Assignee:
WACKER CHEMIE AG, Munich, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01B 33/035 (2006.01);
U.S. Cl.
CPC ...
C01B 33/035 (2013.01);
Abstract
Installation of a shield around a Siemens reactor prior to harvesting polysilicon rods produced therein allows the upper, bell jar-like shell to be removed for cleaning, while protecting the polysilicon rods from contamination and increasing safety of nearby personnel. The polysilicon rods are harvested while the shield is present.