16.
    发明专利
    未知

    公开(公告)号:DE3716734A1

    公开(公告)日:1988-12-01

    申请号:DE3716734

    申请日:1987-05-19

    Applicant: BASF AG

    Abstract: Optical recording medium containing a transparent substrate, a dye-containing layer sensitive to laser light and a reflective layer containing a silicon-phthalocyanine derivative of the formula … … in which… R denotes hydrogen, alkyl, alkoxy, halogen or trialkylsilyl,… n denotes the number 1, 2, 3 or 4 and… A and B are identical or different and independently of one another each denote alkyl, halogen, optionally substituted alkoxy or trialkylsilyloxy.

    19.
    发明专利
    未知

    公开(公告)号:DE3880005D1

    公开(公告)日:1993-05-13

    申请号:DE3880005

    申请日:1988-05-11

    Applicant: BASF AG

    Abstract: An optical recording medium comprises a transparent support; a laser-sensitive dye contg. layer; and a reflective layer contg. a silicon-phthalocyanine deriv. of formula (I) in whcih R1 is bounded to the phthalocyanine residue, R1 = H, 1-12 C alkyl, 1-12 C alkoxy, halogen or -Si(R2)(R3)(R4) in which R2, R3 and R4 each = 1-5 C alkyl; n = 1, 2, 3 or 4; and A and B each = 1-12 C alkyl, halogen or -OR5 in which R5 = 1-12 C alkyl which is opt. interrupted by one or more O atoms or 1-14 C alkylimino gps. and/or which is opt. substd. by a 5- or 6-membered satd. heterocyclic residue, or a gp. Si(R2)(R3)(R4) where R2, R3 and R4 are as above.

Patent Agency Ranking