Weather-resistant transparent composite film

Stock material or miscellaneous articles – Composite – Of polyester

Patent

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Details

428520, 428910, 428494, 428913, 428522, 156108, 160 19, 160 21, 160 38, B32B 2736

Patent

active

040643140

ABSTRACT:
A composite film structure which is useful as an inexpensive, nonbrittle, outdoor-facing window pane in greenhouses and similar structures, comprises an oriented support film laminated to a weather-resistant oriented film of polymethylmethacrylate.

REFERENCES:
patent: 3100760 (1963-08-01), Brown et al.
patent: 3179552 (1965-04-01), Hauser et al.
patent: 3194725 (1965-07-01), Pounds
patent: 3318975 (1967-09-01), Deichert et al.
patent: 3753765 (1973-08-01), Morgan et al.
patent: 3928710 (1975-12-01), Arnold et al.
patent: 3940523 (1976-02-01), Lecoeur et al.

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