Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Patent
1996-04-01
1997-09-09
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, 524403, 524434, 524436, 524437, F21V 722, C08K 310
Patent
active
056657935
ABSTRACT:
The present invention relates to novel compositions useful, for example, in water-based paints. The compositions contain a moisture sensitive luminescent substance (for example a phosphorescent substance having increased brightness and longer lasting afterglow) and a polyurethane resin which is water miscible or soluble, and which imparts moisture stability to the luminescent substance. As a result, this novel composition when used in, for example, water-based highway paints imparts an extended road surface life, and is environmentally friendly because it does not contaminate the surrounding environment with organic hydrocarbon products via vaporization or runoffs. In addition this paint composition may be used both indoors and outdoors for nighttime marking.
REFERENCES:
patent: 223050 (1879-08-01), Krause
patent: 274415 (1883-03-01), Trotter, Jr.
patent: 1407534 (1922-02-01), Hering
patent: 1637963 (1927-08-01), Sauvage
patent: 2436182 (1948-02-01), Schmidling
patent: 4172063 (1979-10-01), O'Brill
patent: 5424006 (1995-06-01), Murayama et al.
Technical Bulletin for Lumi Nova.RTM. dated Dec. 11, 1995 distributed by United Mineral & Chemical Corp.
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