DC

David Durham Chess

HC Huntsman Specialty Chemicals: 2 patents #8 of 28Top 30%
Chevron: 2 patents #1,772 of 4,788Top 40%
📍 Houston, TX: #5,364 of 21,073 inventorsTop 30%
🗺 Texas: #33,546 of 125,132 inventorsTop 30%
Overall (All Time): #1,284,595 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5773634 Tertiary butyl alcohol absorption process for recovering propylene and isobutane David G. Pottratz, Eileen T. Nguyen, William K. Culbreth, III 1998-06-30
5704422 Shrouded heat exchanger Mark E. Taylor, Raj Khanna, William Dale Henderson, Ronald W. Hill 1998-01-06
5358629 Hydroconversion process containing a molybdenum complex recovered from epoxidation of olefinic hydrocarbons George R. Tamalis, Mahendra S. Patel, Ajit K. Bhattacharya, Robert M. Gipson 1994-10-25
4191640 Dual pressure fractionation of hydrocarbons Clements A. Helbling, Jr., Randlow Smith 1980-03-04