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. 09, 2016
Filed:
Nov. 08, 2005
Sigurd Buchholz, Köln, DE;
Daniel Gordon Duff, Leverkusen, DE;
Volker Michele, Köln, DE;
Leslaw Mleczko, Dormagen, DE;
Christian Münnich, Leverkusen, DE;
Reiner Rudolf, Leverkusen, DE;
Aurel Wolf, Wülfrath, DE;
Sigurd Buchholz, Köln, DE;
Daniel Gordon Duff, Leverkusen, DE;
Volker Michele, Köln, DE;
Leslaw Mleczko, Dormagen, DE;
Christian Münnich, Leverkusen, DE;
Reiner Rudolf, Leverkusen, DE;
Aurel Wolf, Wülfrath, DE;
Covestro Deutschland AG, , DE;
Abstract
The present invention relates to a process for the production of carbon nanotubes, in particular those having a diameter of 3-150 nm and an aspect ratio of length:diameter (L:D)>100, by decomposition of hydrocarbons on a heterogeneous catalyst which comprises Mn, Co, preferably also molybdenum, and an inert support material, and the catalyst and the carbon nanotubes themselves and the use thereof.