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:
Apr. 16, 2013
Filed:
Sep. 16, 2010
Klaus Bergemann, Kerpen-Sindorf, DE;
Manfred Dannehl, Kahl am Main, DE;
Ansgar Oelmann, Mobile, AL (US);
Britta Schwartze, Hambrug, DE;
Christoph Tontrup, Alzenau, DE;
Klaus Bergemann, Kerpen-Sindorf, DE;
Manfred Dannehl, Kahl am Main, DE;
Ansgar Oelmann, Mobile, AL (US);
Britta Schwartze, Hambrug, DE;
Christoph Tontrup, Alzenau, DE;
Evonik Carbon Black GmbH, Hanau, DE;
Abstract
Carbon black with a content of polycyclic aromatic hydrocarbons measured by the 22 PAH method of less than 5 ppm and an STSA surface area of <90 m/g. The carbon black is prepared by treating the starting carbon black with electromagnetic radiation. The carbon black can be used in rubber, plastics, printing inks, liquid inks, inkjet inks, toners, coating materials, paints, adhesives, batteries, pastes, paper, fuel cells, bitumen, concrete and other building materials.