Yellow retroreflective pavement markings

Details Yellow retroreflective pavement markings Yellow retroreflective pavement markings

1992-02-19

1994-02-15

Bell, Mark L.

Compositions: ceramic

Ceramic compositions

Glass compositions, compositions containing glass other than...

106436, 106482, C03C 1202

Patent

active

052866823

ABSTRACT:
A pavement marking that has yellow-tinted, retroreflective beads partially embedded in a bead-carrier medium. The bead-carrier medium contains 0.5 to 15 volume percent of a light-scattering agent that scatters white light. The pavement marking is able to retroreflect a distinct yellow color at nighttime without using yellow pigments that contain the potentially-toxic metals, cadmium, chromium, and lead.

REFERENCES:
patent: 3253146 (1966-05-01), De Vries
patent: 3294559 (1966-12-01), Searight et al.
patent: 3891451 (1975-06-01), Okazaki et al.
patent: 3998645 (1976-12-01), Okazaki et al.
patent: 4758469 (1988-07-01), Lange
Peter A. Lewis, Organic Pigments, Federation of Societies for Coatings Technology, pp. 28-29 (Oct., 1988).
Derwent Publication AN 77-65561Y of Japanese Application No. 52 081 532.
Derwent Publication AN 89-160462 of Japanese Application No. 1 101 381.
Abstract of Japanese Patent Kokai 20424/91.
Abstract of Japanese Patent 93445.

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