JP

John H. Purnell

BP British Petroleum: 5 patents #18 of 360Top 5%
BL British Petroleum Company Limited: 1 patents #40 of 133Top 35%
📍 Bristol, GB: #340 of 2,571 inventorsTop 15%
Overall (All Time): #893,217 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
5008465 Proton-catalyzed reactions catalyzed by hydrogen ion-exchanged layered clays James A. Ballantine, Reginald Gregory, John M. Thomas, David J. Westlake 1991-04-16
4866020 Lithiated clays and uses thereof Martin Atkins, James A. Ballantine, John Williams 1989-09-12
4749808 Proton-catalysed reactions in which water is not a stoichiometric reactant catalysed by metal cation exchanged layered clays James A. Ballantine, John M. Thomas 1988-06-07
4605806 Proton-catalyzed reactions catalyzed by hydrogen ion-exchanged layered clays James A. Ballantine, Reginald Gregory, John M. Thomas, David J. Westlake 1986-08-12
4590294 Proton-catalyzed reactions catalyzed by hydrogen ion-exchanged layered clays James A. Ballantine, Reginald Gregory, 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 James A. Ballantine, John M. Thomas 1985-02-12