Carbon nanotube powder, carbon nanotubes, and processes for their production

US8398949B2 · kind B2 · utility

Assignee

• Bayer MaterialScience AG · DE

Inventors

• Helmut Meyer · Hilden, DE
• Heiko Hocke · Shanghai, CN
• Ralph Weber · Rio de Janeiro, BR
• Martin Schmid · Lingen (Ems), DE
• Elmar Bramer-Weger · Bornheim, DE
• Matthias Voetz
• Leslaw Mleczko · Bochum, DE
• Reiner Rudolf · Leverkusen, DE
• Aurel Wolf · Wülfrath, DE
• Sigurd Buchholz

Key dates

• Filing date: Sep 11, 2008
• Grant date: Mar 19, 2013
• Expiry date: Oct 17, 2029

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T428/2982
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

A novel carbon nanotube powder containing carbon nanotubes which have a roll-like structure, also novel carbon nanotubes having a roll-like structure, novel processes for the production of the carbon nanotube powders and of the carbon nanotubes, and their use as an additive or substrate for various applications are described.