Method of tinting polycarbonate-polyester copolymers

Details Method of tinting polycarbonate-polyester copolymers Method of tinting polycarbonate-polyester copolymers

1994-03-23

1995-08-22

Lieberman, Paul

Bleaching and dyeing; fluid treatment and chemical modification

Dyeing process utilizing electric, magnetic, or wave energy;...

8506, 811553, 8930, 351177, 427558, D06P 520

Patent

active

054435978

ABSTRACT:
A surface of an article, such as an optical element, formed of a polycarbonate-polyester copolymer, is subsequently tinted to a predetermined degree by first subjecting said surface to ultraviolet radiation of predetermined intensity for a predetermined period of time.

REFERENCES:
patent: 3154479 (1964-10-01), Muroi et al.
patent: 4057657 (1977-11-01), Garnett et al.
patent: 4855377 (1989-08-01), Yokota et al.
patent: 5013608 (1991-05-01), Guest et al.
patent: 5275854 (1994-01-01), Maier et al.

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