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:
Oct. 25, 2011
Filed:
Apr. 13, 2010
Markus Pridoehl, Grosskrotzenburg, DE;
Paul Roth, Kempen, DE;
Hartmut Wiggers, Reken, DE;
Frank-martin Petrat, Muenster, DE;
Michael Kraemer, Schoeneck-Kilianstaedten, DE;
Markus Pridoehl, Grosskrotzenburg, DE;
Paul Roth, Kempen, DE;
Hartmut Wiggers, Reken, DE;
Frank-Martin Petrat, Muenster, DE;
Michael Kraemer, Schoeneck-Kilianstaedten, DE;
Evonik Degussa GmbH, Essen, DE;
Abstract
An aggregated crystalline silicon powder with a BET surface area of 20 to 150 m/g is provided. The aggregated silicon powder may be doped with phosphorus, arsenic, antimony, bismuth, boron, aluminium, gallium, indium, thallium, europium, erbium, cerium, praseodymium, neodymium, samarium, gadolinium, terbium, dysprosium, holmium, thulium, lutetium, lithium, ytterbium, germanium, iron, ruthenium, osmium, cobalt, rhodium, iridium, nickel, palladium, platinum, copper, silver, gold, or zinc.