Issued Patents All Time
Showing 25 most recent of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10259769 | Conversion of polystyrene to benzoic acid | — | 2019-04-16 |
| 9643945 | Process for the preparation of 2,5-furan-dicarboxylic acid | Etienne Mazoyer, Ana Sofia Vagueiro De Sousa Dias, Benjamin McKay, Hendrikus Jacob Baars, Victor Peter Charles Vreeken +1 more | 2017-05-09 |
| 7485746 | Staged countercurrent oxidation | Frank G. Belmonte, Olusola Sunday Ogundiran, Kenneth J. Abrams, Linus K. Leung, Christopher G. Meller +2 more | 2009-02-03 |
| 7465824 | Process for the production of high purity aromatic carboxylic acids using a benzoic acid and water solvent for oxidation and purification | Carolyn E. Schmit, Christopher G. Meller | 2008-12-16 |
| 7005011 | Method of removing iron oxide deposits from the surface of titanium components | Frank G. Belmonte, Kenneth J. Abrams, James Delaney, Jr., Scott G. Kramer | 2006-02-28 |
| 6852879 | Method of removing iron oxide deposits from the surface of titanium components | Frank G. Belmonte, Kenneth J. Abrams, James Delaney, Jr., Scott G. Kramer | 2005-02-08 |
| 6562997 | Production of high purity aromatic carboxylic acid by oxidation in benzoic acid and water solvent | Alpen K. Pandya, Ian C. Zaenger, Kenneth J. Abrams, Thomas M. Bartos | 2003-05-13 |
| 6255525 | Process for preparing purified carboxylic acids | M. Michelle Morie-Bebel, Stephen V. Hoover | 2001-07-03 |
| 5770764 | Process for preparing purified aromatic polycarboxylic acids | Martin A. Zeitlin, Stephen V. Hoover, Paul K. Behrens | 1998-06-23 |
| 5728870 | Process for preparing purified 2,6-naphthalenedicarboxylic acid | Juergen K. Holzhauer, Rusins Albertins, Stephen V. Hoover | 1998-03-17 |
| 5629446 | Process for preparing purified 2,6-naphthalenedicarboxylic acid | Juergen K. Holzhauer, Rusins Albertins, Stephen V. Hoover | 1997-05-13 |
| 5563294 | Process for preparing purified 2,6-naphthalenedicarboxylic acid | Juergen K. Holzhauer, Rusins Albertins, Stephen V. Hoover | 1996-10-08 |
| 5473102 | Process for recovery of aromatic acid and dihydric alcohol from waste polyester resins | Floyd Johnson, Kalpana Danawala, Bruce I. Rosen | 1995-12-05 |
| 5401892 | Preparation of a dimethyltetralin by cyclizing an orthotolylpentene phenylhexene using an ultra-stable crystalline aluminosilicate molecular sieve y-zeolite | Ian C. Zaenger, Joyce D. Lamb, Gregory S. Williams | 1995-03-28 |
| 5350874 | Process for preparing diesters of naphthalenedicarboxylic acids | Paul K. Behrens, Juergen K. Holzhauer, Gregory P. Hussmann | 1994-09-27 |
| 5292934 | Method for preparing aromatic carboxylic acids | George E. Kuhlmann, Paul K. Behrens, Martin A. Zeitlin, Stephen V. Hoover | 1994-03-08 |
| 5284987 | Preparation of a dimethyltetralin in a distillation reactor | Ian C. Zaenger, Gregory S. Williams | 1994-02-08 |
| 5256817 | Method for purifying a naphthalenedicarboxylic acid | Stephen V. Hoover | 1993-10-26 |
| 5118892 | Preparation of a dimethylnaphthalene | Ian C. Zaenger, Gregory S. Williams | 1992-06-02 |
| 5073670 | Preparation of a dimethyltetralin | Joyce D. Lamb, Ian C. Zaenger, Gregory S. Williams | 1991-12-17 |
| 5034561 | Catalytic alkenylbenzene cyclization | Gregory S. Williams, Ian C. Zaenger | 1991-07-23 |
| 5030781 | Preparation of a dimethyltetralin | Ian C. Zaenger, Gregory S. Williams | 1991-07-09 |
| 5012024 | Preparation of a dimethylnaphthalene | Ian C. Zaenger, Gregory S. Williams | 1991-04-30 |
| 4999326 | Palladium catalyst reactivation | Ian C. Zaenger, Gregory S. Williams | 1991-03-12 |
| 4990717 | Monoalkenylation of alkylbenzenes in a fixed catalyst bed | — | 1991-02-05 |