Issued Patents All Time
Showing 1–25 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |
| 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 |
| 6143859 | Copolycarbonate preparation by solid state polymerization | Gautam Chatterjee, Godavarthi Satyanarayana Varadarajan, James Day, Patrick Joseph McCloskey, Bhaskar Bhairavnath Idage +1 more | 2000-11-07 |
| 6042920 | Optical quality copolycarbonates containing polyoxyalkylene carbonate units | Gautam Chatterjee, Donald G. LeGrand, Godavarthi Satyanarayana Varadarajan | 2000-03-28 |
| 6034142 | Method for recycling aromatic polycarbonates | Godavarthi Satyanarayana Varadarajan, Bhaskar Bhairavnath Idage, Swaminathan Sivaram, Vishnu Ramchandra Ranade | 2000-03-07 |
| 6022942 | Optical data storage media | Kenichi Ishiwa, Henricus H. M. van Hout, Ali Dhinojwala, Niles R. Rosenquist, Paul Dean Sybert +3 more | 2000-02-08 |
| 6008374 | Process for preparing bis (ether anhydrides) using alkylamine derived bisimides having low melting temperatures | Brent A. Dellacoletta, Roy Ray Odle, Thomas Link Guggenheim, Ronald A. Greenberg, James Barren +3 more | 1999-12-28 |
| 5969086 | Quaternary bisphenolates, methods for their preparation, and uses thereof | Jimmy Lynn Webb, Thomas Link Guggenheim, Robert J. Nick, Patrick Joseph McCloskey | 1999-10-19 |
| 5936099 | Process for preparing BIS(ether anhydrides) using alkylamine derived bisimides having low melting temperature | Brent A. Dellacoletta, Roy Ray Odle, Thomas Link Guggenheim, Ronald A. Greenberg, James Barren +3 more | 1999-08-10 |
| 5905135 | Method of preparing polycarbonates by solid state polymerization | Bhaskar Bhairavnath Idage, Swaminathan Sivaram, Godavarthi Satyanaryana Varadarajan | 1999-05-18 |
| 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 |
| 5726856 | Hexasubstituted guanidinium salts and ultracapacitors employing them as electrolytes | Peter D. Phelps | 1998-03-10 |
| 5719295 | Process for preparing bis(ether anhydrides) using alkylamine derived bisimides having low melting temperatures | Brent A. Dellacoletta, Roy Ray Odle, Thomas Link Guggenheim, Ronald A. Greenberg, James Barren +3 more | 1998-02-17 |
| 5717056 | Method for preparing polycarbonate by solid state polymerization | Godavarthi Satyanarayana Varadarajan, Swaminathan Sivaram, Bhaskar Bhairavnath Idage | 1998-02-10 |
| 5705696 | Extractive method for the preparation of quaternary salts | — | 1998-01-06 |
| 5663406 | Formation of carbonate esters and orthocarbonates | Robert Edgar Colborn, Deborah Ann Haitko, Jimmy Lynn Webb | 1997-09-02 |
| 5597887 | Branched polycarbonate preforms, blow moldable polycarbonate and method for making | Patrick Joseph McCloskey, Alice M. Colley, David Michel Dardaris | 1997-01-28 |
| 5556936 | Aromatic polycarbonates having polyfunctional UV screening units, method for making and use | Patrick Joseph McCloskey, Alice M. Colley, David Michel Dardaris, Luca P. Fontana, Josef Gerardus Berndsen | 1996-09-17 |
| 5554770 | Method for making polyalkylated xanthenes | Andrew J. Caruso, Julia Lam Lee | 1996-09-10 |
| 5536846 | Process for preparing bis(ether anhydrides) using alkylamine derived bisimides having low melting temperatures | Brent A. Dellacoletta, Roy Ray Odle, Thomas Link Guggenheim, Ronald A. Greenberg, James Barren +3 more | 1996-07-16 |
| 5504177 | Method for preparation of block copolysiloxanecarbonates | Patrick Joseph McCloskey, Gary Charles Davis | 1996-04-02 |
| 5459226 | Polycarbonate redistribution method | Patrick Joseph McCloskey, David Michel Dardaris | 1995-10-17 |
| 5412061 | Polycarbonate melt condensation synthesis using a tetraorganophosphonium carboxylate salt catalyst | Patrick Joseph McCloskey | 1995-05-02 |
| 5399734 | Method for making aromatic organic carbonates | Patricia Denise Mackenzie, Eric James Pressman | 1995-03-21 |
| 5373083 | Thermoplastic resin and method using heterocyclic amine catalyst | Klaas Brouwer | 1994-12-13 |