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1. (WO2012105584) COMPOSITION FOR OPTICAL MEMBERS AND OPTICAL MEMBER
Latest bibliographic data on file with the International Bureau   

Pub. No.:    WO/2012/105584    International Application No.:    PCT/JP2012/052200
Publication Date: 09.08.2012 International Filing Date: 25.01.2012
IPC:
C04B 35/00 (2006.01), C01G 35/00 (2006.01), G02B 1/00 (2006.01)
Applicants: CANON KABUSHIKI KAISHA [JP/JP]; 30-2, Shimomaruko 3-chome, Ohta-ku, Tokyo 1468501 (JP) (For All Designated States Except US).
YAMAMOTO, Tetsushi [JP/JP]; (JP) (For US Only)
Inventors: YAMAMOTO, Tetsushi; (JP)
Agent: ABE, Takuma; C/O CANON KABUSHIKI KAISHA, 30-2, Shimomaruko 3-chome, Ohta-ku, Tokyo 1468501 (JP)
Priority Data:
2011-018282 31.01.2011 JP
Title (EN) COMPOSITION FOR OPTICAL MEMBERS AND OPTICAL MEMBER
(FR) COMPOSITION POUR DES ÉLÉMENTS OPTIQUES ET ÉLÉMENT OPTIQUE
Abstract: front page image
(EN)There are provided a colorless composition for optical members that contains La and O and a transparent optical member. A composition for optical members that contains La and O and further contains at least one element selected from the group A consisting of Ca, Mg, Ba, Sr, and Zn, at least one element selected from the group B consisting of Zr, Ti, Sn, and Hf, and at least one element selected from the group C consisting of Ta and Nb, wherein the sum total of La, O, at least one element selected from the group A, at least one element selected from the group B, and at least one element selected from the group C is 99% by mole or more while the sum total of the elements of the composition is 100% by mole.
(FR)L'invention concerne une composition incolore pour des éléments optiques qui contient La et O et un élément optique transparent. L'invention concerne une composition pour des éléments optiques qui contient La et O, et contient en outre au moins un élément choisi dans le groupe A consistant en Ca, Mg, Ba, Sr et Zn, au moins un élément choisi dans le groupe B consistant en Zr, Ti, Sn et Hf, et au moins un élément choisi dans le groupe C consistant en Ta et Nb, la somme totale de La, O, d'au moins un élément choisi dans le groupe A, d'au moins un élément choisi dans le groupe B et d'au moins un élément choisi dans le groupe C étant de 99 % en moles ou plus, alors que la somme totale des éléments de la composition est de 100 % en moles.
Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IS, KE, KG, KM, KN, KP, KR, KZ, LA, LC, LK, LR, LS, LT, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, 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.
African Regional Intellectual Property Organization (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Organization (AM, AZ, BY, KG, KZ, MD, RU, TJ, TM)
European Patent Office (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 (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, ML, MR, NE, SN, TD, TG).
Publication Language: English (EN)
Filing Language: English (EN)