Issued Patents All Time
Showing 1–25 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10105890 | Modular wall system | — | 2018-10-23 |
| 9976092 | Determining modified TAN-IR in crude oil | Fabrice Dehais, Xavier Roumeau, Jun Wang, Ryan Jones | 2018-05-22 |
| 8574322 | Propellant compositions and methods of making and using the same | — | 2013-11-05 |
| 8283273 | Promoters for controlling acidity and pore size of zeolite catalysts for use in alkylation | James R. Butler | 2012-10-09 |
| 7718837 | Promotors for controlling acidity and pore size of zeolite catalysts for use in alkylation | James R. Butler | 2010-05-18 |
| 7495139 | Use of modified zeolite catalysts in alkylation systems | James R. Butler | 2009-02-24 |
| 7419929 | Critical phase alkylation process | James R. Butler | 2008-09-02 |
| 7405336 | Promoters for controlling acidity and pore size of zeolite catalysts for use in alkylation | James R. Butler | 2008-07-29 |
| 7371911 | Critical phase alkylation and transalkylation process in the presence of a beta zeolite | James R. Butler | 2008-05-13 |
| 7297827 | Use of monolith catalyst to prepare ethylbenzene | — | 2007-11-20 |
| 7268264 | Critical phase alkylation process | James R. Butler | 2007-09-11 |
| 7259283 | Alkylation and catalyst regenerative process | James R. Butler | 2007-08-21 |
| 7186765 | Method for preparation of stable bitumen polymer compositions | James R. Butler, Paul Buras | 2007-03-06 |
| 6987078 | Alkylation and catalyst regenerative process | James R. Butler | 2006-01-17 |
| 6972047 | Incorporation of gilsonite into asphalt compositions | James R. Butler, Paul Buras, Bill Lee | 2005-12-06 |
| 6933418 | Critical phase alkylation process | James R. Butler | 2005-08-23 |
| 6767939 | Method for preparation of stable bitumen polymer compositions | James R. Butler, Paul Buras | 2004-07-27 |
| 6555073 | Catalytic reduction of phenylacetylene in a styrene stream | James R. Butler | 2003-04-29 |
| 6469223 | Selective hydrogenation of dienes | James R. Butler | 2002-10-22 |
| 6469075 | Method and preparation of stable bitumen polymer compositions | James R. Butler, Karen Scheel | 2002-10-22 |
| 6462247 | Toluene disproportionation process | James R. Butler | 2002-10-08 |
| 6441065 | Method for preparation of stable bitumen polymer compositions | Cyril Chevillard, Paul Buras, James R. Butler | 2002-08-27 |
| 6407152 | Method for preparing asphalt and polymer compositions incorporating multi-component crosslinking agents | James R. Butler | 2002-06-18 |
| 6310122 | Stable bitumen polymer compositions | James R. Butler | 2001-10-30 |
| 6180697 | Method for preparation of stable bitumen polymer compositions | James R. Butler | 2001-01-30 |