Issued Patents 2003
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6653434 | Process for the production of polycarbonate | Hans-Peter Brack, Daniel J. Brunelle, James Anthony Cella | 2003-11-25 |
| 6620902 | Process for preparing polycarbonate and apparatus for preparing polycarbonate | Tomoaki Shimoda, Akio Ikeda, Takato Kimura, Ken Tamada, Hans-Peter Brack +3 more | 2003-09-16 |
| 6590068 | Reduction of reaction by-products in polycarbonate resins | Hans-Peter Brack, James Anthony Cella, Lina Prada | 2003-07-08 |
| 6525163 | Process for the production of polycarbonate | Hans-Peter Brack, Daniel J. Brunelle, James Anthony Cella, Tomoaki Shimoda, Akio Ikeda +1 more | 2003-02-25 |
| 6504002 | Process for the production of branched melt polycarbonate by late addition of fries-inducing catalyst | Hans-Peter Brack, Hendrik Verhoogt, John Patrick Lemmon, Jan Henk Kamps, Willem L. Sederel +1 more | 2003-01-07 |