Internal reflection suppressing coating material for optical gla

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...

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524 66, 524113, 524360, C08L 9100

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043327060

ABSTRACT:
Internal reflection of an optical glass is suppressed by applying a coating material comprising a material selected from coal tar and coal tar pitch and a resin selected from vinylidene chloride series copolymers and halogenated epoxy resins.

REFERENCES:
patent: 2224944 (1949-12-01), Young
patent: 3772231 (1973-11-01), Enomoto et al.
patent: 3839061 (1974-10-01), Lehureau et al.
patent: 3966653 (1976-06-01), Blunt et al.
Hunt, P. G., "Optical Cements-a laboratory assessment", Optica Acta, 1967, vol. 14, No. 4, pp. 401-435.
Photocopy of Encyclopedia Britannica (1981 ed.), "bitumen" entry.

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