Issued Patents All Time
Showing 1–25 of 48 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8829152 | Methods for preparation of macrocyclic polyester oligomer via heterogeneous catalysis | James Mihalich | 2014-09-09 |
| 7750109 | Use of a residual oligomer recyclate in the production of macrocyclic polyester oligomer | Peter D. Phelps, David Patrick Phelon, Paul M. Andrusyszyn, Gary R. Faler | 2010-07-06 |
| 7732557 | Methods for removing catalyst residue from a depolymerization process stream | Peter D. Phelps, David Patrick Phelon, Paul M. Andrusyszyn | 2010-06-08 |
| 7273650 | Weatherable multilayer resinous articles and method for their preparation | James Edward Pickett, Randall Lee Carter, Daniel R. Olson, Frank Hoefflin, Hua Wang | 2007-09-25 |
| 6995294 | Method for producing bisphenol catalysts and bisphenols | James Spivack | 2006-02-07 |
| 6992228 | Method for producing bisphenol catalysts and bisphenols | James Spivack | 2006-01-31 |
| 6884894 | Method for producing bisphenol catalysts and bisphenols | James Spivack | 2005-04-26 |
| 6872860 | Method for producing bisphenol catalysts and bisphenols | James Spivack | 2005-03-29 |
| 6620939 | Method for producing bisphenol catalysts and bisphenols | James Spivack | 2003-09-16 |
| 6572956 | Weatherable multilayer resinous articles and method for their preparation | James Edward Pickett, Randall Lee Carter, Daniel R. Olson, Frank Hoefflin, Hua Wang | 2003-06-03 |
| 6559270 | Weatherable block copolyestercarbonates and blends containing them, and method | Tiberiu Mircea Siclovan, Sterling B. Brown, Donald Joseph Buckley, James Edward Pickett, Joseph Anthony Suriano +5 more | 2003-05-06 |
| 6538065 | Method for preparing copolyestercarbonates and articles therefrom | Joseph Anthony Suriano, Tiberiu Mircea Siclovan, Gregory Allen O'Neil, Daniel J. Brunelle | 2003-03-25 |
| 6534686 | Method for producing bisphenol catalysts and bisphenols | James Spivack | 2003-03-18 |
| 6414200 | Silylmethanethiols as promoters for bisphenol production | James Spivack, Victoria Jean Eddy-Helenek, Joseph Richard Wetzel | 2002-07-02 |
| 6251354 | Process for recovering sodium nitrite | Robert E. Greenwell, Thomas Link Guggenheim, Norman Johnson, Roy Ray Odle | 2001-06-26 |
| 6143839 | Weatherable blends of polycarbonates with arylate polymers | Randall Lee Carter, Tiberiu Mircea Siclovan, James Edward Pickett | 2000-11-07 |
| 5969086 | Quaternary bisphenolates, methods for their preparation, and uses thereof | Thomas Link Guggenheim, Robert J. Nick, Patrick Joseph McCloskey, Joseph A. King, Jr. | 1999-10-19 |
| 5916997 | Weatherable copolymers | Randall Lee Carter, Tiberiu Siclovan, Matthew Hal Littlejohn, James Edward Pickett | 1999-06-29 |
| 5905150 | Process for preparing organosilanes | Amy Kathleen Simonian, Daniel J. Brunelle, Timothy Edward Banach, Slawomir Rubinsztajn | 1999-05-18 |
| 5863992 | Tetraphenols and their use as polycarbonate branching agents | Patrick Joseph McCloskey, David Michel Dardaris, Yegang Lin, Pin-pin Wu | 1999-01-26 |
| 5797995 | Method for thermal removal of halogenated organic compounds from soil | Herman O. Krabbenhoft | 1998-08-25 |
| 5779810 | Method to remove halogenated hydrocarbons from particulate matter | Herman O. Krabbenhoft, David Gilles Gascoyne | 1998-07-14 |
| 5756843 | Quaternary bisphenolates, methods for their preparation, and uses thereof | Matthew Hal Littlejohn, Joseph John Caringi, Thomas Link Guggenheim, Robert J. Nick, Patrick Joseph McCloskey +1 more | 1998-05-26 |
| 5688335 | Contaminant removal from material | Herman O. Krabbenhoft, James Hall Maxymillian, Stephen Allen Warren | 1997-11-18 |
| 5663406 | Formation of carbonate esters and orthocarbonates | Joseph A. King, Jr., Robert Edgar Colborn, Deborah Ann Haitko | 1997-09-02 |