Resin having a large refractive index, lenses comprising the res

Details Resin having a large refractive index, lenses comprising the res Resin having a large refractive index, lenses comprising the res

1989-07-13

1992-01-28

Welsh, Maurice J.

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

Synthetic resins

From reactant having at least one -n=c=x group as well as...

524710, 524714, 524731, 524795, 528 83, 528 85, 351159, C08L 7500

Patent

active

050845454

ABSTRACT:
The present invention relates to a process for producing a resin useful in plastic lenses, to plastic lenses containing the resin and to a process for producing the lenses.

REFERENCES:
patent: 3226354 (1965-12-01), Heiss

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