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Document EP000004553042A1 (Pages: 28)

Bibliographic data Document EP000004553042A1 (Pages: 28)
INID Criterion Field Contents
54 Title TI [DE] VERFAHREN ZUR HERSTELLUNG VON NANODIAMANTEN
[EN] METHOD FOR PREPARING NANODIAMONDS
[FR] PROCÉDÉ DE PRÉPARATION DE NANODIAMANTS
71/73 Applicant/owner PA MAX PLANCK GESELLSCHAFT, DE
72 Inventor IN ENDER CHRISTOPHER, DE ; LIANG JIAXU, DE ; WEIL TANJA, DE ; WU YINGKE, DE
22/96 Application date AD Nov 8, 2023
21 Application number AN 23208593
Country of application AC EP
Publication date PUB May 14, 2025
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Priority data PRC
PRN
PRD


51 IPC main class ICM C01B 32/26 (2017.01)
51 IPC secondary class ICS B01J 3/06 (2006.01)
IPC additional class ICA
IPC index class ICI
Cooperative patent classification CPC B01J 3/06
B01J 3/062
C01B 32/26
MCD main class MCM C01B 32/26 (2017.01)
MCD secondary class MCS B01J 3/06 (2006.01)
MCD additional class MCA
57 Abstract AB [EN] The present invention relates to a process for preparing diamond particles, comprisingsubjecting a nanodiamond precursor material to a pressure of at least 8 GPa and a temperature of at least 900°C,wherein the diamond precursor material comprises a polycyclic aromatic compound which contains from 10 to 200 fused six-membered aromatic rings.
56 Cited documents identified in the search CT
56 Cited documents indicated by the applicant CT WO002018122321A1
56 Cited non-patent literature identified in the search CTNP DAVYDOV V A ET AL: "Nanosized carbon forms in the processes of pressure-temperature-induced transformations of hydrocarbons", CARBON, ELSEVIER OXFORD, GB, vol. 44, no. 10, 1 August 2006 (2006-08-01), pages 2015 - 2020, XP025011166, ISSN: 0008-6223, [retrieved on 20060801], DOI: 10.1016/J.CARBON.2006.01.012 0;
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YAN WANG: "Hydrogenation of Hexa- peri -hexabenzocoronene: An Entry to Nanographanes and Nanodiamonds", ACS NANO, vol. 17, no. 19, 20 September 2023 (2023-09-20), US, pages 18832 - 18842, XP093153561, ISSN: 1936-0851, Retrieved from the Internet DOI: 10.1021/acsnano.3c03538 0
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V.A. DAVYDOV ET AL.: "Conversion of polycyclic aromatic hydrocarbons to graphite and diamond at high pressures", CARBON, vol. 42, 2005, pages 261 - 269, XP004483336, DOI: 10.1016/j.carbon.2003.10.026 1;
XI-GUI YANG ET AL.: "Two-step high-pressure high-temperature synthesis of nanodiamonds from naphthalene", CHIN. PHYS. B, vol. 29, no. 10, 2020, pages 108102 1;
XI-GUI YANG: "Nanodiamonds: Synthesis, properties and applications in nanomedicine", MATERIALS & DESIGN, vol. 210, 2021, pages 110091 1
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