Optical product having a high refractive index...

Details Optical product having a high refractive index... Optical product having a high refractive index...

2005-10-11

2005-10-11

Lipman, Bernard (Department: 1713)

Stock material or miscellaneous articles

Composite

Of polycarbonate

C428S424400, C428S442000, C428S483000, C428S507000, C428S517000

Reexamination Certificate

active

06953623

ABSTRACT:
A polymerizable composition that includes a monomer of the formulawherein X is hydrogen or one or more of methyl, chlorine, bromine or iodine, R1is a straight or branched alkyl linking group of 2 to 12 carbon atoms, R2is hydrogen or methyl, and n is 1 to 3; and a monomer of the formulawherein X1and X2are each independently hydrogen or one or more of methyl, chlorine, bromine or iodine, and R2is hydrogen or methyl is described having a high index of refraction and being suitable for use in forming an optical product.

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Abstract: Tagoshi et al., “Plastic Lenses with High Refractive Indexes,”Chemical Abstracts, vol. 104, No. 4, Columbus, Ohio, Jan. 27, 1986, p. 42, col. 1.

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