Optical article made of amorphous thermoplastic polyester resin

Details Optical article made of amorphous thermoplastic polyester resin Optical article made of amorphous thermoplastic polyester resin

1988-08-05

1990-03-20

Kight, III, John

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From carboxylic acid or derivative thereof

528308, 5283086, 528396, 264 11, C08G 6302

Patent

active

049102915

ABSTRACT:
An optical article such as optical disk and optical lens, made of an amorphous thermoplastic polyester resin comprised of recurring units, each recurring unit having an aromatic ring in the main chain thereof and an aromatic ring in the side chain thereof. The optical article have a good heat resistance, resistance to absorption of moisture and optical characteristics.

REFERENCES:
patent: 3291859 (1966-12-01), Tobolsky
patent: 3351624 (1967-11-01), Conix
patent: 3423280 (1969-01-01), Wiener
patent: 3752802 (1973-08-01), Sheppard
patent: 4025493 (1977-05-01), Drake
patent: 4279803 (1981-07-01), Calundann
61-149901, vol. 10 No. 351 (P-520) [2407] Nov. 27, 1986 "Material For Optical Instrument", Nakagawa.
57-208645, "Transparent Plastic Board For Information Recording Medium", Fukumoto vol. 7, No. 64 (P-183) [1209], Mar. 17, 1983.
60-34823, "Aromatic Polyester", Nozawa, vol. 9 No. 166 (C-239) [1889] Jul. 11, 1985.

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