Optical product having a high refractive index microreplication resin
US6953623B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 12, 2002 |
| Grant date | Oct 11, 2005 |
| Priority date | — |
| Expiry date | Jul 23, 2023 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31917
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A polymerizable composition that includes a monomer of the formula wherein X is hydrogen or one or more of methyl, chlorine, bromine or iodine, R1 is a straight or branched alkyl linking group of 2 to 12 carbon atoms, R2 is hydrogen or methyl, and n is 1 to 3; and a monomer of the formula wherein X1 and X2 are each independently hydrogen or one or more of methyl, chlorine, bromine or iodine, and R2 is hydrogen or methyl is described having a high index of refraction and being suitable for use in forming an optical product.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.