Light transparent body of coextruded synthetic resin

Details Light transparent body of coextruded synthetic resin Light transparent body of coextruded synthetic resin

1982-04-12

1984-10-16

Lesmes, George F.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Physical dimension specified

15624411, 156 67, 428516, 428519, 428520, 428521, 428522, 428913, 264 22, 264171, B32B 2736

Patent

active

044775210

ABSTRACT:
What is disclosed is a light-transparent body comprising a first coextruded layer of a first extrudable light-transparent synthetic resin and a second coextruded layer of a second extrudable light-transparent synthetic resin different from said first resin, wherein said first and second coextruded layers are adjacent and wherein at least said first layer contains a dyestuff capable of fluorescing in the visible region and said second, adjacent, layer is free of the dyestuff present in said first layer.

REFERENCES:
patent: 2880898 (1959-04-01), Navikas
patent: 3830683 (1974-08-01), Rowland
patent: 3933964 (1976-01-01), Brooks
patent: 4301209 (1981-11-01), Lorenz et al.
patent: 4339503 (1982-07-01), Rukavina
patent: 4342810 (1982-08-01), Adcock
patent: 4348462 (1982-09-01), Chung

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