Optical components consisting of aromatic polyesters molded in t

Details Optical components consisting of aromatic polyesters molded in t Optical components consisting of aromatic polyesters molded in t

1979-01-19

1980-09-30

Lee, Lester L.

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

264 1, 350175R, 528128, 528173, 528191, 528192, 528194, C08G 6318

Patent

active

042256984

ABSTRACT:
Thermoplastic aromatic polyesters comprising cocondensed bisphenol residues generally have a refractive index n.sub.d of from 1.60 to 1.66, an Abbe coefficient v.sub.d of from 27 to 21 and a color triplet of about 5.1, 0.1, O and are excellent starting materials for the production of optical components, particularly high quality lenses for still and cine cameras.

REFERENCES:
patent: 3216970 (1965-11-01), Conix
patent: 3317464 (1967-05-01), Conix
patent: 3351624 (1967-11-01), Conix
patent: 4011199 (1977-03-01), McFarlane et al.
patent: 4102864 (1978-07-01), Deex et al.

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