topik报名专利名称：Storage medium with large capacity 发明人：SCHMIDHALTER, BEAT,WOLLEB,
HEINZ,BAUMANN, MARCUS
申请号：EP97810439.6
申请日：19970703
石家庄英语口语学习
公开号：EP0822546B1大专生留学
公开日：
20031001
专利内容由知识产权出版社提供
高考英语试题摘要：In an optical recording medium having a substrate, a reflecting layer and a recording layer, the recording layer consists of substituted oxoporphyrin dye(s) of formula (I) or their chlorination or bromination products; in which R1, R2 = 1-8 carbon (C) alkyl or 2-8 C alkenyl, optionally substituted by OR13, NR14R15, COOR13, CONR14R15 or cyano (CN); R3, R6, R9, R12 = hydrogen (H), halogen, CN, formyl (CHO), 1-8 C alkyl or a 6-14 C aryl group, optionally substituted by halogen, nitro (NO2), 1-8 C alkyl, OR13,
英语绕口令大全NR14R15, COOR13, CONR14R15 or CN; or pair(s) R4 + R5, R7 + R8 and/or R10 + R11 = 1,4-buta-1,3-dienylene group, optionally mono- or poly-substituted by halogen, NO2, 1-8 C alkyl, OR13, SR13, NR14R15 or CN, or a 1,3-propylene, 1,4-butylene or 2-buten-1,4-ylene group, optionally mono- or poly-substituted by 1-8 C alkyl, OR13, NR14R15, COOR13, CONR14R15 or CN, forming a 5- or 6-membered ring with the C-C or C=C group; R13, R14, R15 = H, 1-20 C alkyl, 2-20 C alkenyl, 2-20 C alkynyl, 6-14 C aryl or 7-18 C aralkyl; or NR14R15 = a 5- or 6-membered heterocycle, which may contain another nitrogen (N) or oxygen (O) atom and may be mono- or poly-substituted by 1-8 C alkyl; M = H2 or a divalent metal atom, oxo-metal, halogeno-metal or hydroxy-metal.
申请人：CIBA SPECIALTY CHEMICALS HOLDING INC.,CIBA SC HOLDING AG,CIBA可汗学院公开课
倭蜂猴
SPECIALTY CHEMICALS HOLDING INC.
permanently
qq名字英文地址：CH
国籍：CH
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