(12) International Application Status Report

Received at International Bureau: 26 February 2020 (26.02.2020)

Information valid as of: 05 May 2020 (05.05.2020)

Report generated on: 18 June 2021 (18.06.2021)

(10) Publication number: (43) Publication date: (26) Publication language:
WO 2020/17091727 August 2020 (27.08.2020) Japanese (JA)

(21) Application number: (22) Filing date: (25) Filing language:
PCT/JP2020/00543013 February 2020 (13.02.2020) Japanese (JA)

(31) Priority number(s): (32) Priority date(s): (33) Priority status:
2019-027727 (JP)19 February 2019 (19.02.2019) Priority document received (in compliance with PCT Rule 17.1)

(51) International Patent Classification:
C01G 23/053 (2006.01)

(71) Applicant(s):
SHOWA DENKO K.K. [JP/JP]; 13-9, Shibadaimon 1-chome, Minato-ku, Tokyo 1058518 (JP) (for all designated states)

(72) Inventor(s):
CHIKAMI Hideaki; c/o Showa Denko Ceramics Co., Ltd., Toyama Plant, 3-1, Nishinomiya-machi, Toyama-shi, Toyama 9318577 (JP)
MIZUE Kei; c/o Showa Denko Ceramics Co., Ltd., Toyama Plant, 3-1, Nishinomiya-machi, Toyama-shi, Toyama 9318577 (JP)
KOGOI Hisao; c/o Showa Denko Ceramics Co., Ltd., Toyama Plant, 3-1, Nishinomiya-machi, Toyama-shi, Toyama 9318577 (JP)

(74) Agent(s):
OIKAWA Shu; 1-9-2, Marunouchi, Chiyoda-ku, Tokyo 1006620 (JP)

(54) Title (EN): TITANIUM OXIDE
(54) Title (FR): OXYDE DE TITANE
(54) Title (JA): 酸化チタン

(57) Abstract:
(EN): Provided is a low cost titanium oxide which has a large BET specific surface area, and which can maintain a high inclusion amount of anatase crystal phase in the crystal phase thereof, even in a high temperature environment. A titanium oxide in which the amount of anatase crystal phase included in the total crystal phase thereof is at least 95 mass%, and in which if the half value width of the peak corresponding to the anatase crystal phase in 2θ=24.5°-26.0° under x-ray diffraction measurement is B[rad], and the BET specific surface area is SBET[m2/g], then B≤2.9x10-2rad, SBET≥245m2/g, and B/SBET≤1.07x10-4g/m2.
(FR): L'invention concerne un oxyde de titane à faible coût qui a une grande surface spécifique BET, et qui peut maintenir un taux d'inclusion élevé de phase cristalline anatase dans sa phase cristalline, même dans un environnement à haute température. L'invention concerne un oxyde de titane dans lequel la quantité de phase cristalline anatase comprise dans la phase cristalline totale de celui-ci est d'au moins 95% en masse, et dans lequel si la largeur de demi-valeur du pic correspondant à la phase cristalline anatase dans 2θ = 24,5°-26,0° sous mesure de diffraction des rayons X est B[rad], et la surface spécifique BET est SBET[m2/g], alors B ≤ 2,9x10-2rad, SBET≥245m2/g, et B/SBET≤1,07x10-4g/m2.
(JA): 低コストで、BET比表面積が大きく、かつ高温環境下においても結晶相中のアナターゼ結晶相の含有率を高く維持できる酸化チタンを提供する。全結晶相中のアナターゼ結晶相の含有率が95質量%以上の酸化チタンであって、X線回折測定における2θ=24.5°~26.0°にあるアナターゼ結晶相に対応するピークの半値幅をB[rad]、BET比表面積をSBET[m2/g]とすると、B≦2.9×10-2radであり、SBET≧245m2/gであり、かつB/SBET≦1.07×10-4g/m2である酸化チタン。

International search report:
Received at International Bureau: 20 April 2020 (20.04.2020) [JP]

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, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, WS, 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