Form of carbon

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

Reexamination Certificate

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C977S735000, C977S844000, C977S845000

Reexamination Certificate

active

07494638

ABSTRACT:
C60and C70carbon atom compounds are prepared by evaporating graphite in an inert quenching gas. The vapor of carbon is collected and is selectively extracted with an organic non-polar solvent.

REFERENCES:
patent: 4132671 (1979-01-01), Deininger et al.
patent: 5114477 (1992-05-01), Mort et al.
patent: 5132105 (1992-07-01), Remo
patent: 5227038 (1993-07-01), Smalley et al.
patent: 5234474 (1993-08-01), Whewell
patent: 5273729 (1993-12-01), Howard et al.
patent: 1587000 (1990-08-01), None
Kratschmer et al.Surface Sciencevol. 156, pp. 814-821, 1985.
Kroto et al.,Nature, vol. 318, pp. 162-163, 1985.
Gerhardt et al,Chemical Physics Letters, vol. 137, No. 4, pp. 306-310, Jun. 19, 1987.
Howard et al,Nature, vol. 352, pp. 139-141, Jul. 11, 1991.
Curl et al.Scientific American, Oct. 1991, pp. 54-63.
Kirk—Othmer Encyclopedia of Chemical Technology, 3d Ed., vol. 4, John Wiley—Sons, 1978, pp. 652-653.
Buseck et al., “Fullerenes From the Geological Envirnoment,”Science, vol. 257, No. 5067, Jul. 10, 1992 pp. 215-217.
Amato, “A First Sighting of Buckyballs in the Wild,”Science, vol. 257, No. 5067, Jul. 10, 1992, p. 117.
Akhter et al, The Structure of Hexame Scot II: Extraction Studies,Applied Spectroscopy, vol. 39, No. 1, 1955, pp. 154-167.
Blav et al. “An Investigation of the Microfrictional Behavior of C60Particle Layers on Aluminum”Thin Solio Films, 219 pp. 129-134 Oct. 30, 1993.
Sinknkas, Gemstone & Mineral Data Book, Wihdiester Press 1979. p. 116.
Fritsch, ‘Colour and Colour Changes in Diamonds’ inGemmologistvol. 17 #209 p. 328. Dec. 1948.
Fang et al., “Evidence for fullerene in a coal of Yunnan, South western China”, Mat. Res. Innovat. (1997), pp. 130-132.
Osawa et al., “Survey of Natural Fullerenes in Southwestern China”, pp. 421-424 in Nanonetwork Materials, edited by S. Saito et al., 2001, American Institute of Physics.
Kappler et al., J. Appl. Phys. 50 (1), 1979, pp. 308-316.
Kratschmer et al., “Search for the UV and IR Spectra of C60 in Laboratory-Produced Carbon Dust,” in Dusty Objects in the Universe (Netherlands, Kluwer Academic Publishers, 1990, E. Bussoletti and A.A. Vittone (eds.)), pp. 89-93).
J. Lefevre, “Investigation of Iron and Carbon Dusts,” Annales D'Astrophysique, vol. 30, No. 4, pp. 731-738, 1967.
Translation for J. Lefevre, “Investigation of Iron and Carbon Dusts,” Annales D'Astrophysique, vol. 30, No. 4, pp. 731-738, 1967.
Liu et al., “Experimental Results on High Yield C70 Fullerene,” Chin. Phys. Lett, vol. 11, No. 10 (1994), pp. 609-610.
Rietmeijer et al., “C60 and Giant Fullerenes in Soot Condensed in Vapors with Vapors with Variable C/H2 Ratio”, Fullerenes, Nanotubes, and Carbon Nanostructures, vol. 12, No. 3, pp. 659-680, 2004.
The Condensed Chemical Dictionary, 10th Ed., Revised by Gessner G. Hawley, p. 871 (1981).
Williams, Close packing of spheres, J. Chem. Phys. 87(7), Oct. 1, 1987 pp. 4206-4211.
Larsson, et al., Optical Spectrum of the Icosahedral C60—“Follene-60”, Chemical Physical Letters, vol. 137, No. 6, Jul. 3, 1987, pp. 501-503.
Kovacevic, et al. On the Hybridization in Some Archimedean Carbon Clusters, International Journal of Quantum Chemistry Symposium 21, (1987) pp. 589-593.
Rosen, et al., Optical Spectrum ofthe Icosahedral C60-“Follene-60”: A Challenge for Laser Spectroscopy, Laser Spectroscopy VIII, Proceedings of the Eighth International Conference, Jun. 1987, pp. 250-253.
Elser, et al., Magnetic behavior of icosahedral C60, Physical Review A General Physics Third Series, vol. 36, No. 10, Nov. 15, 1987, pp. 4579-4585.
Fowler, et al:, The Leapfrog Principle: A Rule for Electron Counts of Carbon Clusters, J. Chem. Soc., Chem. Commun., 1987 pp. 1403-1405.
Almlof, et al:, Theoretical Methods and Rsults for Electronic Structure Calculations on Very Large Systems Carbon Clusters, ACS Symposium Series 353, 1987, pp. 35-48.
Schulmen, et al., Symmetrical Clusters of Carbon Atoms: the C24and C60Molecules, Chemical Physics Letters, vol. 141, No. 1,2, Oct. 30, 1987 pp. 45-48.
Wales, Closed-Shell Structures and the Building Game, Chemical Physics Letters, vol. 141, No. 6, Nov. 27, 1987, pp. 478-484.
McKee, et al., Calculated Properties of C60Isomers and Fragments, Journal of Molecular Structure (Theochem:), 153 (1987) pp. 75-84.
Randic, et al., On the Aromatic Stability of a Conjugated C60Cluster, Croatica Chemical ACTA 60 (4) 1987 pp. 595-604.
Bochvar, et al., Problems in the Structural Chemistry of Crystallne Carbon, Sov. Sci. Rev. B. Chem., vol. 9, 1987, pp. 483-527.
Schmalz, et al., Elemental Carbon Cages, J. Am. Chem. Soc. 1988, 110, pp. 1113-1127.
O'Brien, et al., Photophysics of Buckminsterfullerene and other carbon cluster ions, J. Chem. Phys. 88(1), Jan. 1, 1988, pp. 220-230.
Rudzinski, et al., Corrputation Study of Relative Stabilities of C60(Ih) and C70(D5h) Gas-Phase Cluters, Thermochimica Acta, 125 (1988) pp. 155-162.
Fowler, et al., Systematics of Bonding in non-icosahedral carbon clusters, Theor Chim Acta (1988) 73: pp. 1-26.
Negri, et al., Quantum-Chemical Investigation of Frank-Condon and Jahn-Teller Activity in the Electronic Spectra of Buckminsterfullerene, Chemical Physics Letters, vol. 144, No. 1, Feb. 12, 1988, pp. 31=36.
Leger, et al., Remarkable candidates for the carrier fo the diffuse interstellar bands: C60+ and other polyhedral carbon ions, Astron. Astrophys., 203, (1988) pp. 145-148.
Aihara, et al., Spherical Aromaticity of Buckminsterfullerene, Bull. Chem. Soc. Jpn. 61, (1988) pp. 2657-2659.
Stanton, et al., Normal Vibrational Modes of Buckminsterfullerene, J. Phys. Chem., 1988, 92, pp. 2141-2145.
Balasubramanian, et al., Computer Generation of Spectra of Graphs: Applications to C60Clusters and Other Systems, Journal of Computational Chemistry, vol. 9, No. 4, (1988) pp. 406-415.
Wu, et al., Vibrational Motions of Buckminsterfullerene, Chemical Physical Letters, vol. 137, No. 3, Jun. 12, 1987 pp. 291-294.
Slanina, et al., C60(g), C70(g), Saturated Carbon Vapour and Increase of Cluster Populations with Temperature: A Combined Aml Quantum-Chemical and Statistical-Mechanical Study, Collection Czechoslavak Chem. Commun. vol. 52, (1987) pp. 2831-2839.
Shibuya, et al., Two-Icosahedral Structures for the C60Cluster, Chemical Physics Letters, vol. 137, No. 1, May 29, 1987, pp. 13-16.
Brown, High Symmetries in Quantum Chemistry, Chemical Physics Letters, vol. 136, No. 2, May, 1987, pp. 128-133.
Luthi, et al., Ab Initio Studies on the Thermodynamic Stability of the Icosahedral C60Molecule “Buckminsterfullerene”, Chemical Physics Letters, vol. 135, No. 4,5, Apr. 10, 1987 pp. 357-360.
Scott, et al., Benzene Ring Contractions at High Temperatures, Evidence from teh Thermal Interconversions of Aceanthrylene, Acephenanthrylene, and Fluoranthene, J. Am. Chem. Soc. 1987, 109, pp. 5461-5465.
Hayden, et al., πbonding in the icosahedral C60cluster, Physical Review B, vol. 36, No. 9, Sep. 15, 1987, pp. 5010-5015.
Laszlo, et al., On the Geometricial Structure and UV Spectrum of the Truncated Icosahedral C60Molecule, Chemical Physics Letters, vol. 136, No. 5, May 15, 1987, pp. 418-422.
Elser, et al., Icosahedral C60:an aromatic molecule with a vanishingly small ring current magnetic susceptibility, Nature vol. 325, Feb. 26, 1987, pp. 792-794.
Fowler, How Unusual is C60? Magic Numbers for Carbon Clusters, Chemical Physics Letters, vol. 131, No. 6, Nov. 21, 1986, pp. 444-450.
Harter, et al., Rovibrational Spectral Fine Structure of Icosahedral Molecules, Chemical Physics Letters, vol. 132, No. 4,5, Dec. 19, 1986, pp. 387-392.
Marynick, et al., Localized Molecular Orbitals and Electronic Structure of Buckminsterfullerene, Chemical Physics Letters, vol. 132, No. 4,5, pp. 383-386, (1986).
Kataoka, et al., Geometrical Structures and Spectra of Corannulene, and Icosahedral C60Tetrahedron, vol. 42, No. 23, pp. 6437-6442, (1986).
Haddon, et al., Rehybridization and π-Orbital Alignment: The Key to the Existence of Spheroidal Car

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