Issued Patents All Time
Showing 51–75 of 105 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6576801 | Process for the neutralization of residual acid species in crude dihydric phenols | Paul Michael Smigelski, Jr., Timothy Brydon Burnell | 2003-06-10 |
| 6576911 | Method and apparatus for nondestructive determination of polymer hydrolytic stability | Radislav Alexandrovich Potyrailo, Timothy Brydon Burnell | 2003-06-10 |
| 6569985 | Method for making polycarbonate | Alberto Nisoli, Warren William Reilly | 2003-05-27 |
| 6562433 | Method for the preparation of polycarbonate with reduced levels of fries | Hiromi Ishida, Kenichi Ishiwa, Mitsuyasu Okamura, Tomoaki Shimoda, Theodorus Lambertus Hoeks +4 more | 2003-05-13 |
| 6548623 | Method of polycarbonate preparation | Daniel J. Brunelle, Paul Michael Smigelski, Jr., Timothy Brydon Burnell, Ganesh Kailasam | 2003-04-15 |
| 6518391 | Method of polycarbonate preparation by solid state polymerization | James Day, Paul Michael Smigelski, Jr., Timothy Brydon Burnell | 2003-02-11 |
| 6506871 | Extrusion method for making polycarbonate | Norberto Silvi, James Day, Mark Howard Giammattei | 2003-01-14 |
| 6492485 | Redistributed polycarbonate resin | Eric T. Gohr, Chad D. Mistele, Michael Shannon, Vijaykumar Hanagandi, Devesh Mathur | 2002-12-10 |
| 6469192 | Solventless preparation of ester-substituted diaryl carbonates | Timothy Brydon Burnell, Ganesh Kailasam, James Anthony Cella | 2002-10-22 |
| 6437082 | Infrared evaluation of the stoichiometric ratio of dihydric phenol to diarylcarbonate during production of polycarbonates | Linda L. McCracken, Eva Mardomingo-Santás, Timothy Brydon Burnell | 2002-08-20 |
| 6420588 | Interfacial method of preparing ester-substituted diaryl carbonates | Timothy Brydon Burnell, Daniel J. Brunelle, Elliott West Shanklin, Paul Michael Smigelski, Jr., Ganesh Kailasam | 2002-07-16 |
| 6420512 | Extrusion method for making polycarbonate | James Day, Paul Michael Smigelski, Jr., John Lester Maxam, John Aibangbee Osaheni | 2002-07-16 |
| 6414106 | Process for the neutralization of residual acid species in crude dihydric phenols | Paul Michael Smigelski, Jr., Timothy Brydon Burnell | 2002-07-02 |
| 6403754 | Optimization of polycarbonate preparation by transesterification | Paul Michael Smigelski, Jr., Timothy Brydon Burnell, Juan Rodriques Ordonez, Ignacia Vic Fernandez, Gerardo Hidalgo-Llinas +2 more | 2002-06-11 |
| 6399739 | Preparation of polycarbonate having a predetermined molecular weight and level of endcapping | Alberto Nisoli, Warren William Reilly | 2002-06-04 |
| 6376640 | Melt polycarbonate catalyst systems | John Patrick Lemmon, Oltea Puica Siclovan | 2002-04-23 |
| 6339138 | Method of manufacturing polycarbonates | Henricus H. M. van Hout, Akio Ikeda, Takato Kimura, Tomoaki Shimoda | 2002-01-15 |
| 6333394 | Copolycarbonate preparation by solid state polymerization | Christian Bailly, Bhaskar Bhairavnath Idage, Swaminathan Sivaram, Nayaku Nivarati Chavan, Rein Mollerus Faber +6 more | 2001-12-25 |
| 6323304 | Melt polycarbonate catalyst systems | John Patrick Lemmon, Oltea Puica Siclovan | 2001-11-27 |
| 6316578 | Salts of non-volatile acids as polymerization catalysts | Timothy Brydon Burnell, Paul Michael Smigelski, Jr. | 2001-11-13 |
| 6303737 | Melt polycarbonate catalyst systems | John Patrick Lemmon, Ronald James Wroczynski | 2001-10-16 |
| 6300460 | Mixed dialkali metal salts of sulfuric acid containing at least one cesium equivalent as polymerization catalysts | Timothy Brydon Burnell, Paul Michael Smigelski, Jr., Alberto Nisoli | 2001-10-09 |
| 6262218 | 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 | 2001-07-17 |
| 6252013 | Method for making siloxane copolycarbonates | Timothy Edward Banach, Gary Charles Davis, Paul Michael Smigelski, Jr. | 2001-06-26 |
| 6252035 | Salts of chelating agents as polymerization catalysts | Timothy Brydon Burnell, Paul Michael Smigelski, Jr. | 2001-06-26 |