Issued Patents All Time
Showing 1–25 of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11891364 | Methods of selectively forming substituted pyrazines | Michael Francis Dube | 2024-02-06 |
| 11091446 | Methods of selectively forming substituted pyrazines | Michael Francis Dube | 2021-08-17 |
| 10561168 | Tobacco-derived components and materials | Michael Francis Dube, Darlene Madeline Lawson | 2020-02-18 |
| 10499684 | Tobacco-derived flavorants | Michael Francis Dube, Chelsea Allison Cooke, Courtney G. Culbert | 2019-12-10 |
| 10159273 | Tobacco-derived casing composition | Michael Francis Dube | 2018-12-25 |
| 10028522 | Tobacco seed-derived components and materials | Michael Francis Dube, Darlene Madeline Lawson | 2018-07-24 |
| 9458476 | Method for producing glycerin from tobacco | Michael Francis Dube | 2016-10-04 |
| 9402415 | Tobacco seed-derived components and materials | Michael Francis Dube, Darlene Madeline Lawson | 2016-08-02 |
| 9107453 | Tobacco-derived casing composition | Michael Francis Dube | 2015-08-18 |
| 9010339 | Method for producing triacetin from tobacco | Michael Francis Dube | 2015-04-21 |
| 8955523 | Tobacco-derived components and materials | Michael Francis Dube, Darlene Madeline Lawson | 2015-02-17 |
| 8893725 | Polymeric materials derived from tobacco | Michael Francis Dube | 2014-11-25 |
| 7293564 | Method for chemically modifying tobacco during curing | Thomas A. Perfetti, Watson Minyard Dufour, Stephen Keith Cole, Marvin Glenn Riddick, Wennuan Liu +1 more | 2007-11-13 |
| 7025066 | Method of reducing the sucrose ester concentration of a tobacco mixture | Jerry W. Lawson, Ronald Lewis Parks, William Samuel Simmons | 2006-04-11 |
| 6695924 | Method of improving flavor in smoking article | Michael Francis Dube, Luis Mayan Dominguez, Chi-Kuen Shu, Elwood Lee Williams, Jr., Kenneth W. Smith | 2004-02-24 |
| 6591841 | Method of providing flavorful and aromatic tobacco suspension | Jackie L. White, Thomas A. Perfetti | 2003-07-15 |
| 6499489 | Tobacco-based cooked casing formulation | — | 2002-12-31 |
| 6440223 | Smoking article containing heat activatable flavorant-generating material | Michael Francis Dube, Luis Mayan Dominguez, Kenneth W. Smith | 2002-08-27 |
| 6428624 | Method of providing flavorful and aromatic compounds | Michael Francis Dube, Luis Mayan Dominguez | 2002-08-06 |
| 6325860 | Method of providing flavorful and aromatic compounds in absence of reducing sugars | — | 2001-12-04 |
| 6298858 | Tobacco flavoring components of enhanced aromatic content and method of providing same | Thomas A. Perfetti, Ronald Lewis Parks, Michael Francis Dube, Luis Mayan Dominguez | 2001-10-09 |
| 5668735 | Method and apparatus for continuous emissions monitoring system using gas chromatography | Luis Mayan Dominguez, Forrest W. Bowling, Bert Gordon | 1997-09-16 |
| 5610835 | Method and apparatus for continuous emissions monitoring system using gas chromatography | Luis Mayan Dominguez, Forrest W. Bowling, Bert Gordon | 1997-03-11 |
| 5396909 | Smoking article filter | Thomas L. Gentry, Charles Ray Ashcraft, Dennis Carespodi, Milly M. L. Wong | 1995-03-14 |
| 4980330 | Polymerization of olefins in the presence of a catalyst prepared from an inorganic oxide which has not been heat or chemically treated, organomagnesium compound, organic hydroxyl-containing compound, reducing halide and transition metal compound | Gary R. Marchand, Ricardo Fuentes, Jr. | 1990-12-25 |