Benzophenone ether esters, processes for their preparation, and their use for improving the light stability of polyester dyeings
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United States of America Patent
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Sep 14, 1993
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Mar 13, 1992
filing date -
Sep 13, 1989
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Abstract
The present invention relates to compounds of the general formula I ##STR1## in which R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, x and y are defined as in the description, processes for their preparation, their use for improving the light stability of polyester dyeings and a dyeing process and dye preparations.
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