Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Patent
1997-04-11
1999-02-23
Szekely, Peter A.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
25230136, 2523014R, 523172, 523460, 524403, 524408, 524413, 524436, 524437, C09K 1102, C09K 1108, C09K 322, C08L 6300
Patent
active
058744916
ABSTRACT:
The present invention relates to novel compositions useful, for example, in marking road surfaces. The compositions contain a moisture sensitive luminescent substance (for example a phosphorescent substance having increased brightness and longer lasting afterglow) and an epoxy resin or a polyurethane resin which is water miscible or soluble, and which impart moisture stability to the luminescent substance. The luminescent substance-resin mixtures may be mixed with water-based highway paints. As a result, these novel compositions impart an extended road surface life, and are environmentally friendly because they do not contaminate the surrounding environment with organic hydrocarbon products via vaporization or runoffs. In addition these compositions may be used both indoors and outdoors for nighttime marking and in other marking applications.
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patent: 5607621 (1997-03-01), Ishihara et al.
patent: 5665793 (1997-09-01), Anders
patent: 5686022 (1997-11-01), Murayama et al.
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