Bisstyrylaryl compounds

Details Bisstyrylaryl compounds Bisstyrylaryl compounds

1974-12-12

1977-02-22

Thomas, Jr., James O.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

26029364, 260240CA, 2602471R, 2602472B, 26032687, 260465D, 260465E, 260471R, 260471A, 260490, 26050115, 2605676P, 260246B, 260556S, 260558A, 260944, 260945, 8 1W, 8DIG6, 2605676H, 25230121, 25230122, C07C14104, C07C 8768, C07C12160

Patent

active

040091937

ABSTRACT:
Bisstyryl-substituted aryl compounds of the formula (I): ##STR1## where X is arylene and R.sup.1 and R.sup.5 are substituents common to the dye art. The compounds are useful as optical brighteners, particularly for acrylonitrile polymers, and give excellent whitening having good fastness properties.

REFERENCES:
patent: 2520275 (1950-08-01), Bois et al.
patent: 2623902 (1952-12-01), Crossley
patent: 3177208 (1965-04-01), Stilz et al.
patent: 3283005 (1966-11-01), Abend et al.
patent: 3873312 (1975-03-01), Contois et al.

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