Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...
Patent
1987-07-20
1989-02-07
Welsh, Maurice J.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
At least one aryl ring which is part of a fused or bridged...
524714, 524720, 524721, 524724, 524729, 525165, 525279, 525293, 528289, 528290, 528295, C08K 535
Patent
active
048032417
ABSTRACT:
A composition useful for molding into articles such as food containers, soft drink bottles, cured structural plastics and the like, comprising molding grade linear or unsaturated polyester or polycarbonate having reacted or copolymerized therein the residue of one or a mixture of styrylbenzazole reactants of the formula: ##STR1## wherein A is the residue of a benzene ring of a benzoxazole, benzothiazole or benzionidazole radical; X is --O--, --S-- or --N(R.sup.2)--; Ph is a phenylene radical; and R.sup.1 is halogen or --Y--R.sup.2 in which Y is --O-- or --N(R.sup.2)-- and each R.sup.2 is hydrogen, alkenyl or an unsubstituted or substituted alkyl, cycloalkyl or aryl radical.
REFERENCES:
patent: 3912697 (1974-10-01), Pacifici
patent: 4167628 (1979-09-01), Kormany
Burpitt Robert D.
Hilbert Samuel D.
Pruett Wayne P.
Weaver Max A.
Acquah S. A.
Eastman Kodak Company
Heath, Jr. William P.
Thomsen J. Frederick
Welsh Maurice J.
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