Bleaching and dyeing; fluid treatment and chemical modification – Nontextile – dyeing process or product – including inorganic...
Patent
1989-12-14
1991-04-16
Lieberman, Paul
Bleaching and dyeing; fluid treatment and chemical modification
Nontextile, dyeing process or product, including inorganic...
8648, 8687, 252585, 428 1, 350398, D06P 500, F21V 914, C09K 1900
Patent
active
050079425
ABSTRACT:
Light-polarizing films or sheets, preferably based on vinyl alcohol homopolymers or copolymers contain dyestuffs of the formula ##STR1## in which X and Y have the meanings given in the description.
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cf. S. Y. Zherdeva et al., J. Org. Chem., USSR, 16, (1980), 383-390.
Houben-Weyl, Methoden der Organischen Chemie (Methods of Organic Chemistry), vol. 10/3, Part 3, pp. 428, 429.
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Chemical Abstracts, Band 104, Nr. 10, 1986, Seite 53, Zusammenfasung Nr. 69953w, Columbus, Ohio, U.S.A.; & JP-A-60 168 743, (Nippon Kayaku Co., Ltd.), 02-09-1985.
Claussen Uwe
Krock Friedrich W.
Bayer Aktiengesellschaft
Darland J. E.
Lieberman Paul
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