| Patent Number |
Title Of Patent |
Date Issued |
| 8101542 |
Catalyst for oxidizing monoxide and method of preparing the same |
January 24, 2012 |
| Provided are a catalyst for oxidizing carbon monoxide and a method of preparing the same. The catalyst for oxidizing carbon monoxide includes platinum and a transition metal which exists in a bimetallic phase, and the bimetallic phase of the platinum and the transition metal is suppo |
| 7339021 |
Method for preparing polycarbonate resin |
March 4, 2008 |
| The present invention relates to a method for preparing polycarbonate resin, and more particularly to a method for effectively preparing polycarbonate resin having a large molecular weight in a short time under a melt polymerization condition using a catalyst system comprising phosph |
| 7148312 |
Preparation method of high molecular weight polycarbonate resin |
December 12, 2006 |
| The present invention relates to a method for the preparation of a high molecular weight polycarbonate resin, and more particularly to a method for preparing a high molecular weight polycarbonate resin using a solid state polymerization method after the preparation of a crystalline p |
| 7084232 |
Method for preparing high molecular weight polycarbonate |
August 1, 2006 |
| The present invention relates to a process for preparing high molecular weight polycarbonate resin, particularly to a process for preparing high molecular weight polycarbonate resin, which conducts condensation polymerization of low molecular weight amorphous polycarbonate prepolymer |