(12) International Application Status Report

Received at International Bureau: 16 October 2018 (16.10.2018)

Information valid as of: 23 April 2019 (23.04.2019)

Report generated on: 15 October 2019 (15.10.2019)

(10) Publication number: (43) Publication date: (26) Publication language:
WO 2019/06383104 April 2019 (04.04.2019) German (DE)

(21) Application number: (22) Filing date: (25) Filing language:
PCT/EP2018/07654428 September 2018 (28.09.2018) German (DE)

(31) Priority number(s): (32) Priority date(s): (33) Priority status:
10 2017 217 358.0 (DE)28 September 2017 (28.09.2017) Priority document received (in compliance with PCT Rule 17.1)

(51) International Patent Classification:
C04B 35/52 (2006.01); C04B 35/532 (2006.01); C04B 35/565 (2006.01)

(71) Applicant(s):
SGL CARBON SE [DE/DE]; Söhnleinstr. 8 65201 Wiesbaden (DE) (for all designated states)

(72) Inventor(s):
OETTINGER, Oswin; Werner-von-Siemens-Str. 18 86405 Meitingen (DE)
RIVOLA, Dominik; Werner-von-Siemens-Str. 18 86405 Meitingen (DE)
MODLMEIR, Philipp; Werner-von-Siemens-Str. 18 86405 Meitingen (DE)


(54) Title (EN): METHOD FOR PRODUCING COMPLEX GEOMETRIC COMPONENTS CONTAINING CARBON OR SILICON CARBIDE
(54) Title (FR): PROCÉDÉ DE FABRICATION D'ÉLÉMENTS GÉOMÉTRIQUES COMPLEXES CONTENANT DU CARBONE OU DU CARBURE DE SILICIUM
(54) Title (DE): VERFAHREN ZUR HERSTELLUNG VON KOMPLEXEN GEOMETRISCHEN BAUTEILEN ENTHALTEND KOHLENSTOFF ODER SILIZIUMKARBID

(57) Abstract:
(EN): The present invention relates to a method for producing a complex geometric component containing carbon or silicon carbide, to the component produced by said method and to the use thereof. The method for producing a complex geometric component containing carbon or silicon carbide comprises the following steps: a) providing a green body on the basis of carbon or silicon carbide, which has been produced by means of a 3D printing method, b) redensifying the green body by means of chemical vapor infiltration.
(FR): La présente invention concerne un procédé de fabrication d'un élément géométrique complexe contenant du carbone ou du carbure de silicium, l'élément fabriqué selon de procédé et son utilisation.
(DE): Die vorliegende Erfindung betrifft ein Verfahren zur Herstellung eines komplexen geometrischen Bauteils enthaltend Kohlenstoff oder Siliziumkarbid, das mit diesem Verfahren hergestellte Bauteil und dessen Verwendung. Das Verfahren zum Herstellen eines komplexen geometrischen Bauteils enthaltend Kohlenstoff oder Siliziumkarbid umfasst die folgenden Schritte: a) Bereitstellen eines Grünkörpers auf Basis von Kohlenstoff oder Siliziumkarbid, welcher mittels eines 3D-Druckverfahrens hergestellt worden ist, b) Nachverdichten des Grünkörpers mittels der chemischen Gasphaseninfiltration.

International search report:
Received at International Bureau: 21 March 2019 (21.03.2019) [EP]

International Report on Patentability (IPRP) Chapter II of the PCT:
Not available

(81) Designated States:
AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JO, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW
European Patent Office (EPO) : AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR
African Intellectual Property Organization (OAPI) : BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG
African Regional Intellectual Property Organization (ARIPO) : BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW
Eurasian Patent Organization (EAPO) : AM, AZ, BY, KG, KZ, RU, TJ, TM

Declarations:
Declaration made as applicant's entitlement, as at the international filing date, to apply for and be granted a patent (Rules 4.17(ii) and 51bis.1(a)(ii)), in a case where the declaration under Rule 4.17(iv) is not appropriate
Declaration made as applicant's entitlement, as at the international filing date, to claim the priority of the earlier application, where the applicant is not the applicant who filed the earlier application or where the applicant's name has changed since the filing of the earlier application (Rules 4.17(iii) and 51bis.1(a)(iii))