| CDGM GLASS CO., LTD Patent applications |
| Patent application number | Title | Published |
|---|
| 20120021891 | FLUOROPHOSPHATE OPTICAL GLASS - The technical problem to be solved by the invention is to provide a fluorophosphate optical glass which has low refraction, low dispersion and low density and is suitable for molding at a low temperature. The fluorophosphate optical glass has a refractive index of 1.45-1.52, an abbe number of 78-85, a transition temperature lower than 465° C., a density lower than 3.8 g/cm | 01-26-2012 |
| 20120015197 | GLASS SUITABLE FOR CHEMICAL TEMPERING AND CHEMICALLY TEMPERED GLASS THEREOF - The invention provides a silica-alumina-sodium oxide glass easy to melt and suitable for a low temperature ion exchange process. The glass is suitable for chemical tempering and consists of 55-60 wt % of SiO | 01-19-2012 |
| 20110195833 | HIGH-REFRACTIVITY LOW-DISPERSION OPTICAL GLASS - The invention provides an environment-friendly optical glass with high refractive index, low dispersion and high light transmittance. The optical glass includes 6%-17% of B | 08-11-2011 |
