Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5008465 | Proton-catalyzed reactions catalyzed by hydrogen ion-exchanged layered clays | Reginald Gregory, John H. Purnell, John M. Thomas, David J. Westlake | 1991-04-16 |
| 4866020 | Lithiated clays and uses thereof | Martin Atkins, John H. Purnell, John Williams | 1989-09-12 |
| 4749808 | Proton-catalysed reactions in which water is not a stoichiometric reactant catalysed by metal cation exchanged layered clays | John H. Purnell, John M. Thomas | 1988-06-07 |
| 4605806 | Proton-catalyzed reactions catalyzed by hydrogen ion-exchanged layered clays | Reginald Gregory, John H. Purnell, John M. Thomas, David J. Westlake | 1986-08-12 |
| 4590294 | Proton-catalyzed reactions catalyzed by hydrogen ion-exchanged layered clays | Reginald Gregory, John H. Purnell, John M. Thomas, David J. Westlake | 1986-05-20 |
| 4499319 | Proton-catalysed reactions in which water is not a stoichiometric reactant catalysed by metal cation-exchanged layered clays | John H. Purnell, John M. Thomas | 1985-02-12 |