RH

Rei-Yu J. Hwan

Chevron: 6 patents #767 of 4,788Top 20%
HC Huntsman Specialty Chemicals: 5 patents #3 of 28Top 15%
📍 Houston, TX: #2,031 of 21,073 inventorsTop 10%
🗺 Texas: #13,747 of 125,132 inventorsTop 15%
Overall (All Time): #473,586 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
5811597 Method for the manufacture of methyl tertiary butyl ether from tertiary butyl alcohol and methanol Mark E. Taylor, John F. Knifton, Melvin Stockton, John R. Sanderson 1998-09-22
5792890 Method for the purification of tertiary butyl alcohol for use in the manufacture of methyl tertiary butyl ether Pei-Shing E. Dai, Laurence D. Neff, Kyle Preston, John F. Knifton 1998-08-11
5789627 Method for the purification of tertiary butyl alcohol and to its use in the manufacture of MTBE Kyle Preston 1998-08-04
5744652 Method for the manufacture of methyl tertiary butyl ether from tertiary butyl alcohol and methanol Pei-Shing E. Dai, Laurence D. Neff, Kyle Preston 1998-04-28
5723698 Catalytic decomposition of formate impurities in tertiary butyl alcohol and methyl tertiary butyl ether streams Pei-Shing E. Dai, Laurence D. Neff, Kyle Preston 1998-03-03
5565068 Energy conservation during plural stage distillation Stuart J. Parker, Arlen G. Sliger 1996-10-15
5563301 Sequential reaction of TBA and isobutylene with methanol Kyle Preston, Lawrence E. Tillotson 1996-10-08
5527970 Synthesis of ethyl t-butyl ether from t-butanol in one step using acid catalysts John F. Knifton, Brian L. Benac 1996-06-18
5395982 Continuous isobutylene-assisted aqueous extraction of methanol from methyl tertiary butyl ether John R. Cassata, Stuart J. Parker, Catherine J. Conkwright 1995-03-07
5354912 Method for the removal of dimethyl ether from methyl tertiary butyl ether Charles J. Kruse 1994-10-11
5243091 Method for the manufacture and recovery of methyl tertiary butyl ether Charles J. Kruse, Kyle Preston, Feng-Ran Sheu 1993-09-07