Compositions – Light transmission modifying compositions
Patent
1993-07-14
1995-05-16
Tucker, Philip
Compositions
Light transmission modifying compositions
252305, 427 64, 427 68, 313479, 313480, F21V 900, B05D 506, H01J 3100
Patent
active
054158150
ABSTRACT:
There is disclosed a film composition useful for reducing light glare especially adapted for use in connection with cathode-ray tube or other monitor screens which is formed from a colloidal suspension from between ten percent to thirty percent by weight of an aliphatic thermoplastic urethane resin dissolved in a blend of water, N-methylpyrrolidone and amines, mixed with between seventy percent and ninety percent by weight of Denatured Ethyl Alcohol (190 proof). The colloidal suspension is admixed with an aerosol propellant under pressure, and is deposited on a monitor screen by aerosol deposition to create a film having a thickness of between 0.5 mil and 2 mil. The deposited film dries immediately, and functions to dramatically reduce the glare of light reflecting from the screen monitor.
REFERENCES:
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patent: 4431763 (1984-02-01), Reed
patent: 4551356 (1985-11-01), Heiz
patent: 4604297 (1986-08-01), Liu
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patent: 4765729 (1988-08-01), Taniguchi
patent: 4806583 (1989-02-01), Battaglia
patent: 4943862 (1990-07-01), Vesaka et al.
patent: 5104692 (1992-04-01), Belmares
patent: 5308389 (1994-05-01), Russo et al.
Demeur Basil E.
Samlan Alan B.
Tucker Philip
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