CD

Charles A. Drake

PP Phillips Petroleum: 8 patents #2 of 170Top 2%
📍 Nowata, OK: #1 of 1 inventorsTop 100%
🗺 Oklahoma: #3 of 749 inventorsTop 1%
Overall (1989): #594 of 140,708Top 1%
9
Patents 1989

Issued Patents 1989

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
4889840 Catalyst compositions useful for olefin isomerization and disproportionation and method for preparing the catalyst compositions 1989-12-26
4876410 Catalyst support, and catalyst for olefin dimerization Warren M. Ewert, Donald H. Kubicek 1989-10-24
4868309 Separation of alkenylpyridines from alkylpyridines 1989-09-19
4864072 Solvent recovery from solutions of organic aluminum compound 1989-09-05
4843178 Compositions possessing pheromone-like activity Jim D. Byers 1989-06-27
4837358 Preparation of 9-alkenyl ester compounds Jim D. Byers 1989-06-06
4835330 Glass powder promoter for carbonate supported catalyst and olefin dimerization processes therewith Donald H. Kubicek 1989-05-30
4810688 Catalyst support and catalyst for olefin dimerization Warren M. Ewert, Donald H. Kubicek 1989-03-07
4795730 Dehydration of alcohols 1989-01-03