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. 04, 2010
Filed:
Dec. 13, 2004
Applicants:
Dieter Weidhaus, Burghausen, DE;
Ivo Crössmann, Burghausen, DE;
Franz Schreieder, Tann, DE;
Inventors:
Assignee:
Wacker-Chemie GmbH, Munich, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C01B 33/03 (2006.01); C01B 33/027 (2006.01); C01B 33/02 (2006.01); C30B 21/06 (2006.01); C30B 27/02 (2006.01); C30B 28/10 (2006.01); B29C 41/24 (2006.01); B29C 43/22 (2006.01); B29D 7/01 (2006.01);
U.S. Cl.
CPC ...
Abstract
A polycrystalline granulated silicon is made of particles which have a density of greater than 99.9% of the theoretical solid density and therefore have a pore content of less than 0.1% and have a surface roughness Rof less than 150 nm.
Weidhaus, Dieter. (2010). Dust-free and pore-free, high-purity granulated polysilicon (U.S. Patent No. 7708828). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7708828
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile