Polyarylalkane oligomer compositions containing xylene units, pr

Details Polyarylalkane oligomer compositions containing xylene units, pr Polyarylalkane oligomer compositions containing xylene units, pr

1988-07-01

1990-09-18

Lovering, Richard D.

Stock material or miscellaneous articles

Coated or structually defined flake, particle, cell, strand,...

Particulate matter

503213, 585 11, 585 19, 585 25, 585320, 585326, 252364, B01J 1302, C07C 203, C07C 1508, C07C 1512

Patent

active

049578154

ABSTRACT:
Polyarylalkane oligomer compositions consisting essentially of a mixture of isomers of xylyl-xylene and of higher homologues and a mixture of isomers of bis(dimethylphenyl)xylylene and of higher homologues; the method of making such compositions by first reacting toluene, xylene, or a mixture of toluene and xylene with chlorine in the presence of a radical generator, removing the unreacted toluene, and then subjecting the reaction product to the action of an inorganic halide or inorganic acid in the presence of xylene, and microcapsules containing color-forming material wherein the compositions are used as solvents for the color-forming material.

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patent: 4753745 (1988-06-01), Kostusyk et al.
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patent: 4783439 (1988-11-01), Usami et al.
patent: 4814537 (1989-03-01), King
patent: 4822767 (1989-04-01), Okada et al.

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