1,3,4-Oxadiazolyl-(2)-vinyl stilbene optical brighteners

Details 1,3,4-Oxadiazolyl-(2)-vinyl stilbene optical brighteners 1,3,4-Oxadiazolyl-(2)-vinyl stilbene optical brighteners

1976-10-26

1978-08-01

Demers, Arthur P.

Harness for working animal

8 1W, 252 86, 25230124, 542459, C07D27110

Patent

active

041044681

ABSTRACT:
The present invention relates to optical brightening agents comprising the basic structure of formula I, ##STR1## The brighteners are useful for optically brightening textile and non-textile substrates, e.g. of natural or regenerated cellulose, natural or synthetic polyamides, modified or non-modified polyolefins, polyurethanes, polyvinyl chloride and polyester.

REFERENCES:
patent: 3947410 (1976-03-01), Meyer
Naboikin et al., Chemical Abstracts, 73(1970), #93494.

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