Issued Patents All Time
Showing 1–25 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8378012 | Flame retardant composition and hydrolysis-susceptible resin containing same | Paul Y. Moy | 2013-02-19 |
| 8119711 | Oligomeric bisphosphate flame retardants and compositions containing the same | Paul Y. Moy, Andrew Gregor, Ronald L. Pirelli | 2012-02-21 |
| 7759522 | Process for purification of phosphate esters | Eric W. Burkhardt, Antoon ten Kate, Sophia Dashevsky, John Tomko | 2010-07-20 |
| 7442737 | Low acidity phosphate esters | Edward D. Weil, Ronald L. Pirrelli | 2008-10-28 |
| 7166736 | Neopentylglycol bis(diaryl phosphate) esters | Ronald L. Pirrelli, Anantha Desikan | 2007-01-23 |
| 6855275 | Viscosity modification of high viscosity flame retardants | Alan M. Aaronson, Ronald L. Pirrelli | 2005-02-15 |
| 6717005 | Epoxy-stabilized polyphosphate compositions | Eric W. Burkhardt, Sergei V. Levchik, Sophia Dashevsky, Mark Buczek | 2004-04-06 |
| 6569928 | Phosphorus-containing fire retardant thermoplastic polyester composition | Sergei V. Levchik, Gerald R. Alessio | 2003-05-27 |
| 6479688 | Process for making di(hydroxyalkylaryl) aryl phosphate compounds | Jeffrey E. Telschow | 2002-11-12 |
| 6403819 | Process for making di(hydroxyalkylaryl) aryl phosphate compounds | Jeffrey E. Telschow | 2002-06-11 |
| 6136997 | Process for the formation of hydrocarbyl BIS(hydrocarbyl phosphate) | Ronald L. Pirrelli | 2000-10-24 |
| 5833886 | Thermostability enhancement of polyphosphate flame retardants | Sophia Dashevsky | 1998-11-10 |
| 5817857 | (4-Hydroxy-alkylphenyl diphenyl phosphate flame rerardants | Ronald L. Pirrelli | 1998-10-06 |
| 5750756 | Process for the formation of hydrocarbyl bis(hydrocarbyl phosphate) | Ronald L. Pirrelli | 1998-05-12 |
| 5728859 | Process for making monohydroxy-terminated phosphate compositions | Ronald L. Pirrelli | 1998-03-17 |
| 5618867 | Hydroxy-terminated aromatic oligomeric phosphate as additive flame retardant in polycarbonate resin composition | Paul Y. Moy | 1997-04-08 |
| 5616770 | 1,4-cyclohexanedimethanol bis (diaryl phosphate) | — | 1997-04-01 |
| 5508462 | Process for making hydroxy-terminated aromatic oligomeric phosphates | Ronald L. Pirrelli | 1996-04-16 |
| 5457221 | Process for the manufacture of poly (hydrocarbylene aryl phosphate) compositions | Bill Brady, Francis M. Schafer | 1995-10-10 |
| 5420327 | Process for forming hydrocarbyl bisphosphate compound | Ronald L. Pirrelli | 1995-05-30 |
| 5183905 | Phenolphthalein bis (dihydrocarbyl phosphate) compounds | Alan M. Aaronson | 1993-02-02 |
| 5151539 | Formation of tetraarylpyrophosphate | Alan M. Aaronson | 1992-09-29 |
| 5041596 | Formation of glycol bisphosphate compounds | Alan M. Aaronson | 1991-08-20 |
| 4853483 | Preparation of alkyl thiosemicarbazides | — | 1989-08-01 |
| 4727178 | Process for preparing phosphorodichloridothiolate | — | 1988-02-23 |