Issued Patents All Time
Showing 1–25 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7491838 | Purification of acetonitrile by a distillative recovery/ion exchange resin treatment process | Paul Jacobson, Richard Lee Wappelhorst | 2009-02-17 |
| 7250527 | Process for recovering acrylonitrile or methacrylonitrile | Sanjay P. Godbole | 2007-07-31 |
| 7211674 | Process for the recovery of oxazole | Eric Moore, Mark R. Bruce, Sanjay P. Godbole, Michael Keith Hagans, David R. Bender | 2007-05-01 |
| 6238574 | Oxidation and ammoxidation of acrylonitrile process waste water organics | Anne M. Graham, Albert R. Shuki, Jr. | 2001-05-29 |
| 5449808 | Method for converting amides to nitriles and nitriles to amides | Marco Pagnotta, Sandra L. Denman, Robert D. Boyer, Jr. | 1995-09-12 |
| 5440068 | Acetonitrile purification via an adsorption-based process | Marc W. Blackman, Thomas G. Attig | 1995-08-08 |
| 5324856 | Making optically active alpha-hydroxy acids or precursors | Robert A. Dubbert, James D. Burrington | 1994-06-28 |
| 5250721 | Method for stabilization of crude acetonitrile as oxidation or ammoxidation feed | Mark R. Bruce | 1993-10-05 |
| 5204079 | HCN by catalytic ammoxidation of crude acetonitrile | Dev D. Suresh, Tai-Cheng Yang, Robert K. Grasselli, Mark R. Bruce, Michael J. Seely +2 more | 1993-04-20 |
| 5118846 | Synthesis of N-disubstituted amides by reaction of amides with certain organic hydroxyl compounds | — | 1992-06-02 |
| 5103055 | Water-promoted synthesis of amides from nitriles and alcohols | — | 1992-04-07 |
| 5099066 | Synthesis of N-substituted amides by condensation of nitriles with certain organic hydroxyl compounds | — | 1992-03-24 |
| 5072024 | Synthesis of N-substituted amides by condensation of nitriles with certain organic hydroxyl compounds | Sandra L. Denman | 1991-12-10 |
| 5041659 | Synthesis of n-disubstituted amides by reaction of amides with certain organic hydroxyl compounds | Sandra L. Denman | 1991-08-20 |
| 5034560 | Synthesis of ethylamines | Robert A. Dubbert | 1991-07-23 |
| 4977272 | Olefinic N,N'-disubstituted ureas | James E. Rinz, Gilles Klopman, Teodora T. Kopp | 1990-12-11 |
| 4937380 | 3-pentenamides from 1,3-butadienes | Robert A. Dubbert, James D. Burrington | 1990-06-26 |
| 4929755 | Process for making an optically active mixture of an N-acyl-amino acid or ester containing at least two chiral centers | Robert A. Dubbert, James D. Burrington | 1990-05-29 |
| 4868061 | Olefinic aryl oxime derivatives of hydantoins | James E. Rinz, Teodora T. Kopp | 1989-09-19 |
| 4847411 | 1,6-hexanediamides from 3-pentenamides | Robert A. Dubbert, James D. Burrington | 1989-07-11 |
| 4782173 | Synthesis of methionine hydroxy analog or derivative, and esters thereof; synthesis of 1-acyloxy-4-hydrocarbylthiopropene, and products | James D. Burrington | 1988-11-01 |
| 4749786 | .alpha.-amino acids through catalytic reaction of CO and a hydroxyl compound with enamides | James D. Burrington | 1988-06-07 |
| 4749811 | Method of making a diastereomeric mixture containing two diastereomeric .alpha.-acyloxy acid esters | Robert A. Dubbert, James D. Burrington | 1988-06-07 |
| 4740611 | N,N'-disubstituted ureas | James E. Rinz, Gilles Klopman, Teodora T. Kopp | 1988-04-26 |
| 4721803 | Method of making a diastereomeric mixture containing two diastereomeric N-acyl-amino acid esters | Robert A. Dubbert, James D. Burrington | 1988-01-26 |