Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6497809 | Method for prolonging the effectiveness of a pyrolytic cracking tube treated for the inhibition of coke formation during cracking | Ronald E. Brown, Timothy P. Harper | 2002-12-24 |
| 6464858 | Method for improving the yield of heavy hydrocarbons in a thermal cracking process | Ronald E. Brown, James P. Degraffenried, Timothy P. Murtha, Gil J. Greenwood, Timothy P. Harper +1 more | 2002-10-15 |