Varied morphology carbon nanotubes and method for their...

Chemistry of inorganic compounds – Carbon or compound thereof – Elemental carbon

Reexamination Certificate

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C427S249100, C977S843000

Reexamination Certificate

active

10151382

ABSTRACT:
The present invention describes the preparation of carbon nanotubes of varied morphology, catalyst materials for their synthesis. The present invention also describes reactor apparatus and methods of optimizing and controlling process parameters for the manufacture carbon nanotubes with pre-determined morphologies in relatively high purity and in high yields. In particular, the present invention provides methods for the preparation of non-aligned carbon nanotubes with controllable morphologies, catalyst materials and methods for their manufacture.

REFERENCES:
patent: 6054111 (2000-04-01), Antonietti et al.
patent: WO 99/65821 (1999-12-01), None
Cassell et al., ‘Large Scale CVD Synthesis of Single-Walled Carbon Nanotubes’ InJ. Phys. Chem. Bvol. 103 pp. 6484-6492 (1999).
Pen et al., ‘Synthesis or Large Arrays of Well-Aligned Carbon Nanotubes on Glass’ InSciencevol. 282 pp. 1105-1107 (Nov. 6, 1998).
Baker, R.T.K., et al.; “Catalytic Growth of Carbon Nanofibers and Nanotubes”; (1994);Mat. Res. Soc. Symp. Proc.; vol. 349, 251-256.
International Search Report International Application No.: PCT/US02/15619, mailing date Sep. 20, 2002.
Li, et al.; “Large-Scale Synthesis of Aligned Carbon Nanotubes”;Science; (1996) 274: 1701-1703.
Li, et al.; “Growing Y Junction Carbon Nanotubes”;Nature; (1999); 402: 253-254.

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