Transparent resin material containing metallic atoms bonded to pendent carboxylic acid groups
US4585841A · kind A · utility
14Cited by
2References
30Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 1, 1983 |
| Grant date | Apr 29, 1986 |
| Priority date | — |
| Expiry date | Nov 1, 2003 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B1/04
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A transparent resin material containing metallic atoms (except for alkali metals) which are ionic-bonded to a vitreous polymeric material constituting the substance of said resin material, in an amount of at least 8% by weight based on the total weight of the resin material, said resin material having a transparency of at least 80% in terms of a light transmittance, and a refractive index n.sub.D.sup.25 of at least 1.55.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.