Stock material or miscellaneous articles – Structurally defined web or sheet – Continuous and nonuniform or irregular surface on layer or...
Patent
1990-04-27
1992-03-10
Thomas, Alexander S.
Stock material or miscellaneous articles
Structurally defined web or sheet
Continuous and nonuniform or irregular surface on layer or...
428149, B32B 516
Patent
active
050949020
ABSTRACT:
A skid-resistant, surface marking material is disclosed. The skid-resistant, surface marking material comprises a polymer matrix phase and a plurality of opaque ceramic spheroids partially embedded in and protruding from the top surface of the matrix layer. The ceramic spheroids have rounded surfaces and no substantial points.
REFERENCES:
patent: 4020211 (1977-04-01), Eigenmann
patent: 4117192 (1978-09-01), Jorgensen
patent: 4248932 (1981-02-01), Tung et al.
patent: 4490432 (1984-12-01), Jordan
patent: 4564556 (1986-01-01), Lange
patent: 4680230 (1987-07-01), Gibb et al.
patent: 4937127 (1990-06-01), Haenggi et al.
Haenggi Robert A.
Laird James A.
Griswold Gary L.
Kagan David B.
Kirn Walter N.
Minnesota Mining and Manufacturing Company
Thomas Alexander S.
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