Eyeglasses and eyeglass frames comprising glycol modified copolyesters
US7753518B2 · kind B2 · utility
8Cited by
14References
31Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 7, 2008 |
| Grant date | Jul 13, 2010 |
| Priority date | — |
| Expiry date | Jul 29, 2028 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L77/00
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Disclosed herein are eyeglass frames and eyeglass frame kits made from a polymer composition comprising PCTG, and eyeglasses comprising a pair of lenses mounted on the eyeglass frames or eyeglass frame kits disclosed herein. The polymer composition disclosed herein may optionally comprise one or more additives such as colorants and fillers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.