CD

Charles A. Drake

PP Phillips Petroleum: 220 patents #2 of 1,401Top 1%
LI Leach Industries: 4 patents #1 of 3Top 35%
Chevron: 3 patents #1,350 of 4,788Top 30%
CO Conocophillips: 1 patents #472 of 954Top 50%
📍 Nowata, OK: #1 of 19 inventorsTop 6%
🗺 Oklahoma: #7 of 12,736 inventorsTop 1%
Overall (All Time): #2,377 of 4,157,543Top 1%
233
Patents All Time

Issued Patents All Time

Showing 26–50 of 233 patents

Patent #TitleCo-InventorsDate
6218590 Zeolite material, a method of making such improved zeolite material and the use thereof in the conversion of non-aromatic hydrocarbons to aromatics and light olefins Jianhua Yao, James B. Kimble 2001-04-17
6198012 Method for converting n-butane to butenes and BTX An-hsiang Wu 2001-03-06
6191064 Catalyst material, the preparation thereof and the use thereof in converting hydrocarbons An-hsiang Wu 2001-02-20
6187984 Dehydrogenation of n-butane to butenes An-hsiang Wu 2001-02-13
6175048 Hydrocarbon conversion catalyst composition and processes therefor and therewith An-hsiang Wu 2001-01-16
6172273 Method for converting hydrocarbons to aromatics using a hybrid catalyst system An-hsiang Wu 2001-01-09
6162353 Process and catalyst for upgrading liquid hydrocarbons An-hsiang Wu, Ralph J. Melton 2000-12-19
6156689 Catalyst composition comprising zinc compound or boron compound and hydrocarbon conversion process James B. Kimble, Jianhua Yao, An-hsiang Wu 2000-12-05
6133494 Catalyst composition comprising acid-base leached zeolites An-hsiang Wu 2000-10-17
6133192 Catalyst material, the preparation thereof and the use thereof in converting hydrocarbons An-hsiang Wu 2000-10-17
6124227 Hydrocarbon conversion catalyst composition and processes therefor and therewith Jianhua Yao 2000-09-26
6124516 Catalyst composition and processes therefor and therewith An-hsiang Wu 2000-09-26
6124228 Mazzite supported catalyst An-hsiang Wu 2000-09-26
6124515 Catalytic conversion of a saturated hydrocarbon to an aromatic hydrocarbon An-hsiang Wu 2000-09-26
6114268 Catalyst composition and processes therefor and therewith An-hsiang Wu 2000-09-05
6110859 Hybrid catalyst system for converting hydrocarbons and a method of making and using such catalyst system An-hsiang Wu 2000-08-29
6107534 Method of making an improved catalyst containing an acid-treated zeolite, a boron component, and a zinc component, a product from such method, and the use thereof in the conversion of hydrocarbons An-hsiang Wu 2000-08-22
6093671 Carbided hydrocarbon conversion catalyst composition and processes therefor and therewith An-hsiang Wu 2000-07-25
6090272 Process for converting a cracked gasoline using a zeolite-based catalyst material An-hsiang Wu 2000-07-18
6090274 Hydrotreating catalyst composition and processes therefor and therewith An-hsiang Wu 2000-07-18
6090990 Method of making an improved catalyst containing zeolite treated with boron trichloride, the product from such method, and the use thereof in the conversion of hydrocarbons Jianhua Yao 2000-07-18
6090992 Isomerization catalyst system, method of making and method of using such catalyst system in the isomerization of saturated hydrocarbons An-hsiang Wu 2000-07-18
6084145 Dehydrogenation catalyst and dehydrogenation process using said catalyst An-hsiang Wu 2000-07-04
6083865 Hydrocarbon conversion catalyst composition and processes therefor and therewith An-hsiang Wu, Jianhua Yao 2000-07-04
6083867 Hybrid catalyst system for converting hydrocarbons and a method of making and using such catalyst system An-hsiang Wu 2000-07-04