Inventor · disambiguated record
Rei-Yu J. Hwan
Also filed as: HWAN REI-YU J · HWAN REI-YU JUDY
11 granted patents·205 citations·filing 1992–1997
91Inventor score
Top patents by PatentIndex Score
11 records- 0191US5243091AMethod for the manufacture and recovery of methyl tertiary butyl etherTEXACO CHEMICAL·Filed 1992·Granted Sep 7, 1993·47 cites·12 claims
- 0279US5354912AMethod for the removal of dimethyl ether from methyl tertiary butyl etherTEXACO CHEMICAL·Filed 1993·Granted Oct 11, 1994·19 cites·10 claims
- 0378US5723698ACatalytic decomposition of formate impurities in tertiary butyl alcohol and methyl tertiary butyl ether streamsHUNTSMAN SPEC CHEM CORP·Filed 1995·Granted Mar 3, 1998·19 cites·16 claims
- 0475US5811597AMethod for the manufacture of methyl tertiary butyl ether from tertiary butyl alcohol and methanolHUNTSMAN SPEC CHEM CORP·Filed 1996·Granted Sep 22, 1998·33 cites·8 claims
- 0569US5527970ASynthesis of ethyl t-butyl ether from t-butanol in one step using acid catalystsTEXACO CHEM INC·Filed 1995·Granted Jun 18, 1996·11 cites·19 claims
- 0667US5565068AEnergy conservation during plural stage distillationTEXACO DEVELOPMENT CORP·Filed 1995·Granted Oct 15, 1996·49 cites·7 claims
- 0759US5395982AContinuous isobutylene-assisted aqueous extraction of methanol from methyl tertiary butyl etherTEXACO CHEMICAL·Filed 1993·Granted Mar 7, 1995·9 cites·5 claims
- 0853US5792890AMethod for the purification of tertiary butyl alcohol for use in the manufacture of methyl tertiary butyl etherHUNTSMAN SPEC CHEM CORP·Filed 1997·Granted Aug 11, 1998·5 cites·10 claims
- 0952US5563301ASequential reaction of TBA and isobutylene with methanolTEXACO DEVELOPMENT CORP·Filed 1994·Granted Oct 8, 1996·6 cites·4 claims
- 1050US5789627AMethod for the purification of tertiary butyl alcohol and to its use in the manufacture of MTBEHUNTSMAN SPEC CHEM CORP·Filed 1997·Granted Aug 4, 1998·4 cites·16 claims
- 1146US5744652AMethod for the manufacture of methyl tertiary butyl ether from tertiary butyl alcohol and methanolHUNTSMAN SPEC CHEM CORP·Filed 1997·Granted Apr 28, 1998·3 cites·18 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →