Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5672776 | Method for purifying 1,1,1-tris(4-hydroxyphenyl)-alkanes | Julia Lam Lee | 1997-09-30 |
| 5652312 | Redistribution of organic polyestercarbonate compositions | Peter D. Phelps, Eugene Pauling Boden, David Michel Dardaris, Adelbert Hermannus Leonardus Groothuis | 1997-07-29 |
| 5650470 | Polycarbonate redistribution using diethyldimethylammonium hydroxide as catalyst | Eric T. Gohr, Timothy Hans Lemmen | 1997-07-22 |
| 5597887 | Branched polycarbonate preforms, blow moldable polycarbonate and method for making | Joseph A. King, Jr., Alice M. Colley, David Michel Dardaris | 1997-01-28 |