15.
    发明专利
    未知

    公开(公告)号:DE19613139A1

    公开(公告)日:1997-10-09

    申请号:DE19613139

    申请日:1996-04-02

    Applicant: BASF AG

    Abstract: Novel sulphur-containing phthalocyanines claimed for use in IR absorption are of formula (I), optionally with both N-bonded H replaced by Cu, Ni, vanadyl, Mg, AlCl or Zn.A = a group of formula (IA) or (IB); B and C = rings optionally substituted by 1-4C alkyl or alkoxy, NO2, hydroxy- sulphonyl or benzoyl or optionally condensed with a benzene ring; and R = H or methyl.

    17.
    发明专利
    未知

    公开(公告)号:DE4310371A1

    公开(公告)日:1994-10-06

    申请号:DE4310371

    申请日:1993-03-30

    Applicant: BASF AG

    Abstract: PCT No. PCT/EP94/00863 Sec. 371 Date Sep. 28, 1995 Sec. 102(e) Date Sep. 28, 1995 PCT Filed Mar. 18, 1994 PCT Pub. No. WO94/22960 PCT Pub. Date Oct. 13, 1994A process is described for preparing alkoxy-octasubstituted metal-free or metal-containing naphthalocyanines by etherification of 1,4-dihydroxy-2,3-dicyanonaphthalene and formation of the metal-free naphthalocyanine with or without subsequent metallization.

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