Issued Patents All Time
Showing 76–100 of 105 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6228973 | Method for preparing high molecular weight polycarbonate | Timothy Brydon Burnell, Paul Michael Smigelski, Jr., Johan Pieter Anna Heuts, Hendricus Franciscus Zirkzee | 2001-05-08 |
| 6184334 | Alkali metal salts of oxoacids of sulfur as polymerization catalysts | Timothy Brydon Burnell, Paul Michael Smigelski, Jr. | 2001-02-06 |
| 6184335 | Salts of aryl sulfonic acids as polymerization catalysts | Paul Michael Smigelski, Jr., Timothy Brydon Burnell | 2001-02-06 |
| 6143859 | Copolycarbonate preparation by solid state polymerization | Gautam Chatterjee, Godavarthi Satyanarayana Varadarajan, James Day, Bhaskar Bhairavnath Idage, Joseph A. King, Jr. +1 more | 2000-11-07 |
| 6140457 | Static-resistant polycarbonates having DI-t-alkylphenyl end groups | Donald G. LeGrand | 2000-10-31 |
| 6103827 | Polycarbonate or polyestercarbonate/acrylic resin or methacrylic/resin/catalyst composition | Akihiro Saito, Takashi Nagai, Takuro Kitamura, Wie-Hin Pan | 2000-08-15 |
| 6087468 | Method of branching and cross-linking a polycarbonate resin | Theodorus Lambertus Hoeks, Adrianus Alphonsus Maria Kusters, Ye-Gang Lin, Raphael Mestanza, Pin-pin Wu | 2000-07-11 |
| 6022943 | Optical quality polycarbonates with reduced static charge and method for making same | Kazushige Inoue, Hiromi Ishida, Tomoaki Shimoda, Theodorus Lambertus Hoeks, Henricus H. M. van Hout +2 more | 2000-02-08 |
| 5977265 | Method for preparing brominated polycarbonates, and products obtained thereby | Gary Charles Davis, David Michel Dardaris, Daniel J. Brunelle, Robert R. Gallucci, Mahari Tjahjadi +2 more | 1999-11-02 |
| 5973102 | Static resistant polycarbonate compositions | David Michel Dardaris, George Thomas Seeger, Colette Knight, Susan A. Nye | 1999-10-26 |
| 5969086 | Quaternary bisphenolates, methods for their preparation, and uses thereof | Jimmy Lynn Webb, Thomas Link Guggenheim, Robert J. Nick, Joseph A. King, Jr. | 1999-10-19 |
| 5948876 | Polyphenols as polycarbonate branching agents | Raphael Mestanza, Theodorus Lambertus Hoeks, Adrianus Alphonsus Maria Kusters, Pin-pin Wu, Ye-Gang Lin | 1999-09-07 |
| 5886073 | Polycarbonate redistribution method with catalyst decomposition | David Michel Dardaris | 1999-03-23 |
| 5883194 | Polycarbonate or polyestercarbonatel acrylic resin or methacrylic/resin/catalyst composition | Akihiro Saito, Takashi Nagai, Takuro Kitamura, Wie-Hin Pan | 1999-03-16 |
| 5863992 | Tetraphenols and their use as polycarbonate branching agents | David Michel Dardaris, Yegang Lin, Pin-pin Wu, Jimmy Lynn Webb | 1999-01-26 |
| 5763686 | Method for preparing 1,1,1-tris(4-hydroxyphenyl)ethane | Eric James Pressman | 1998-06-09 |
| 5756859 | Method for preparing and purifying 1,1,1-tris(4-hydroxyphenyl)ethane | Paul Dean Sybert, Julia Lam Lee, David Michel Dardaris | 1998-05-26 |
| 5756843 | Quaternary bisphenolates, methods for their preparation, and uses thereof | Jimmy Lynn Webb, Matthew Hal Littlejohn, Joseph John Caringi, Thomas Link Guggenheim, Robert J. Nick +1 more | 1998-05-26 |
| 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 |
| 5567802 | Polycarbonate redistribution method employing phosphonium hydroxides | — | 1996-10-22 |
| 5556936 | Aromatic polycarbonates having polyfunctional UV screening units, method for making and use | Joseph A. King, Jr., Alice M. Colley, David Michel Dardaris, Luca P. Fontana, Josef Gerardus Berndsen | 1996-09-17 |
| 5521275 | Method for improving catalyst efficiency during polycarbonate redistribution | David Michel Dardaris, Eric T. Gohr, Pin-pin Wu | 1996-05-28 |