Light-polarizing films or foils containing triphendioxazine or t

Details Light-polarizing films or foils containing triphendioxazine or t Light-polarizing films or foils containing triphendioxazine or t

1992-03-11

1993-05-25

Clingman, A. Lionel

Bleaching and dyeing; fluid treatment and chemical modification

Nontextile, dyeing process or product, including inorganic...

8636, 544 14, 544 76, C08J 321, C08J 518, C09B 1902, G02B 530

Patent

active

052135829

ABSTRACT:
Light-polarizing films or foils, preferably based on a vinyl alcohol homopolymer or copolymer, contain dyes corresponding to the following formula ##STR1## in which R, R.sup.1, T.sup.1, T.sup.2, n, X and Z are as defined in the specification.

REFERENCES:
patent: 3883523 (1975-05-01), Parton
patent: 4231918 (1980-11-01), Babler
patent: 4591643 (1986-05-01), Jager
patent: 4604459 (1986-08-01), Jager
patent: 4874857 (1989-10-01), Harms
patent: 4876342 (1989-10-01), Pedrazzi
patent: 4990615 (1991-02-01), Henk et al.
patent: 5122605 (1992-06-01), Pedrazzi

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