| 6420581 |
Manufacture of zinc hexasulfide amine complexes |
Otto W. Maender, Paul M. Mitchem |
2002-07-16 |
| 6187937 |
Preparation of N-phenyl-benzoquinoneimine from hydroxydiphenylamines |
Donald L. Fields, Jr., Michael K. Stern |
2001-02-13 |
| 6184385 |
Process for the manufacture of a sulfenimide |
Donald L. Fields, Jr., Raymond T. Parker, Phillip B. Balderson |
2001-02-06 |
| 6114554 |
Preparation of quinonediimines from phenylenediamines using a hypochlorite as an oxidation agent |
Raymond Anton Lohr, Jr., Donald L. Fields, Jr. |
2000-09-05 |
| 6072061 |
Preparation of quinoneimines from hydroxyphenylamines using a hypochlorite as an oxidation agent |
Donald L. Fields, Jr. |
2000-06-06 |
| 6043384 |
Preparation of quinoneimines from hydroxyphenylamines using hydrogen peroxide and a catalyst |
Donald L. Fields, Jr., Raymond Anton Lohr, Jr. |
2000-03-28 |
| 6025508 |
Preparation of quinonediimines from phenylenediamines using oxygen and a metal or metal salt catalyst |
Raymond Anton Lohr, Jr., Donald L. Fields, Jr. |
2000-02-15 |