Reactive dyes and lenses utilizing the same

Details Reactive dyes and lenses utilizing the same Reactive dyes and lenses utilizing the same

1997-04-03

1999-07-06

Smith, Jeffrey

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526242, 526279, 5263285, C08F22606, C08F21418, C08F23008, C08F22018

Patent

active

059198800

ABSTRACT:
A compound represented by the following formula 1: ##STR1## wherein R.sub.1 is an unsubstituted or substituted benzyl group or unsubstituted or substituted phenyl group, method for producing a copolymer comprising copolymerizing a monomer mixture containing the compound, copolymer for lenses containing a copolymerized component represented by the following formula 2 ##STR2## and a lens consisting of the copolymer. The compound of the formula 1 is a reactive dye exhibiting excellent hydrolysis resistance, good copolymerizability with other comonomers, excellent dyeing property and proper solubility in comonomers.

REFERENCES:
Raymond S. Asquith, et al., "Self-coloured Polymers based on Anthraquinone Residues", Journal of the Society of dyers and colourists, vol. 93, No. 4, Apr. 1977, pp. 114-125.

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