Mixtures of symmetrical and unsymmetrical nickel formazan dyes

Details Mixtures of symmetrical and unsymmetrical nickel formazan dyes Mixtures of symmetrical and unsymmetrical nickel formazan dyes

1996-09-27

1997-12-09

Evans, Elizabeth

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428 644, 428 648, 428913, 43027014, 43027015, 43027016, 4304951, 430945, 534634, B32B 300

Patent

active

056958439

ABSTRACT:
A mixture of symmetrical and unsymmetrical nickel formazan dyes is disclosed. Optical recording elements containing the mixture are also disclosed.

REFERENCES:
patent: 4940618 (1990-07-01), Hamada et al.
patent: 5090009 (1992-02-01), Hamada et al.
patent: 5294471 (1994-03-01), Evans et al.
patent: 5449587 (1995-09-01), Itoh et al.
patent: 5547728 (1996-08-01), Cunningham et al.

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