Use of 4H-3,1-benzoxazin-4-one compounds to improve the light fa

Details Use of 4H-3,1-benzoxazin-4-one compounds to improve the light fa Use of 4H-3,1-benzoxazin-4-one compounds to improve the light fa

1995-03-22

1996-10-01

Green, Anthony

Drug, bio-affecting and body treating compositions

Preparations characterized by special physical form

Wearing apparel, fabric, or cloth

544 92, 252 861, 252380, 252402, 252403, 8490, D06M 13355, C07D26500, C07D27300

Patent

active

055608523

ABSTRACT:
A method of improving the light fastness of textile materials using an aqueous dispersion of a compound of formula I, ##STR1## having a first (A) and a second (B) benzoxazine-4-one ring joined by a phenylene bridging member; a variable bond between the first benzoxazine-4-one ring (A) and the phenylene bridging member, said variable bond being meta- or para- to the bond between the second benzoxazine-4-one ring (B) and the bridging member; wherein each R.sub.1 is independently hydrogen, halogen, nitro, C.sub.1-2 alkyl, C.sub.1-4 alkoxy, carboxy, sulfonic acid, C.sub.1-3 alkylcarbonyl, benzoyl or C.sub.1-4 alkoxycarbonyl and; R.sub.2 is hydrogen, chlorine, bromine, methyl, C.sub.1-2 alkoxy, phenyl, hydroxy, nitro, carboxy or sulfonic acid.

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C.A. 120, 1994, 136958x, Abstract for JP 05, 195, 367, published Aug. 3, 1993.
English language translation, JP 05, 195367, published Aug. 3, 1993.
C.A. 120, 1994, 109408m, Abstract for JP 05, 230, 346, published Sep. 7, 1993.
English language translation, JP 05, 230, 346, published Sep. 7, 1993.
American Cyanamid technical sheet for CYGARD UV-3638 no date provided.
Modern Plastics Encyclopedia 92, pp. 192, 194, 196, 546, 547 no month provided.

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