Fluororesin-coated material having markings indicated thereon

Details Fluororesin-coated material having markings indicated thereon Fluororesin-coated material having markings indicated thereon

1990-11-30

1993-06-29

Bowers, Jr., Charles L.

Radiation imagery chemistry: process, composition, or product th

Imaged product

Including resin or synthetic polymer

430292, 430346, 430495, 430945, 430962, 430273, 430342, G03C 173

Patent

active

052233588

ABSTRACT:
A fluororesin-coated material having markings indicated thereon is disclosed, which material comprises (1) a substrate having coated thereon a fluororesin composition comprising a high-molecular weight material having a benzene ring and at least one of a nitrogen atom, a sulfur atom and a carbonyl group in the main chain thereof, or (2) a substrate having coated thereon the high-molecular weight material, and further having coated on the high-molecular weight material a fluororesin composition. The markings are indicated on the coated material by irradiating the coated surface of the coated material with electromagnetic waves having a wavelength of 600 nm or less to thereby cause a change in the color of the high-molecular weight material at irradiated parts and provide a difference in color between the irradiated parts and unirradiated parts.

REFERENCES:
patent: 3694208 (1972-09-01), Ranz et al.
patent: 4365012 (1982-12-01), Hocker et al.
patent: 4654290 (1986-01-01), Spanjer
patent: 4711834 (1987-12-01), Butters et al.
patent: 4959406 (1990-09-01), Foltin et al.
patent: 5009959 (1991-04-01), Matsushita et al.
patent: 5063137 (1991-11-01), Kiyonari et al.
patent: 5091284 (1992-02-01), Bradfield
patent: 5114826 (1992-05-01), Kwong et al.

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