Lens having a high refractive index with a low dispersion

Details Lens having a high refractive index with a low dispersion Lens having a high refractive index with a low dispersion

1981-10-26

1983-07-12

Wong, Jr., Harry

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

20415922, 264 11, 350409, 428442, 526286, 5262921, 5262924, 5262926, 5262927, 526322, 526326, C08F 1816

Patent

active

043931847

ABSTRACT:
A lens having a high refractive index with a low dispersion produced by copolymerizing a polyfunctional allyl monomer with at least one monomer selected from the group represented by the general formula A: ##STR1## X: H, CH.sub.3, Cl Y: H, CH.sub.3, C.sub.2 H.sub.5, n-C.sub.3 H.sub.7, iso-C.sub.3 H.sub.7, OCH.sub.3, C.sub.6 H.sub.11, Cl, Br, CH.sub.2 Cl, CH.sub.2 Br, C.sub.6 H.sub.5, CH.sub.2 C.sub.6 H.sub.5, SCH.sub.3

REFERENCES:
patent: 2855434 (1958-10-01), Fekete
patent: 3170899 (1965-02-01), Tocker

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