Inventor · disambiguated record
William K. Culbreth, Iii
Also filed as: CULBRETH III WILLIAM K · CULBRETH III WILLIAM KEMP
14 granted patents·209 citations·filing 1991–1998
93Inventor score
Top patents by PatentIndex Score
14 records- 0185US5139622APurification of propylene oxide by extractive distillationTEXACO CHEMICAL·Filed 1991·Granted Aug 18, 1992·31 cites·3 claims
- 0282US5354430AStaged purification of contaminated propylene oxideTEXACO CHEMICAL·Filed 1993·Granted Oct 11, 1994·26 cites·17 claims
- 0381US6037516AMethod for removal of oxygenate impurities from organic chemical streamsHUNTSMAN ICI CHEM LLC·Filed 1997·Granted Mar 14, 2000·29 cites·33 claims
- 0479US5145563ADehydration of propylene oxide by extracting distillationTEXACO CHEMICAL·Filed 1991·Granted Sep 8, 1992·20 cites·4 claims
- 0572US5116466APropylene oxide purification by extractive distillationTEXACO CHEMICAL·Filed 1991·Granted May 26, 1992·13 cites·4 claims
- 0670US5464505AUse of propylene oxide adducts in the purification of propylene oxide by extractive distillationTEXACO CHEM INC·Filed 1994·Granted Nov 7, 1995·12 cites·16 claims
- 0770US5154803APurification of contaminated propylene oxide by extractive distillationTEXACO CHEMICAL·Filed 1991·Granted Oct 13, 1992·12 cites·4 claims
- 0862US5773634ATertiary butyl alcohol absorption process for recovering propylene and isobutaneHUNTSMAN SPEC CHEM CORP·Filed 1996·Granted Jun 30, 1998·9 cites·3 claims
- 0957US5453160AUse of mixed polyoxypropylene glycols in the extractive distillation of propylene oxideTEXACO CHEM INC·Filed 1994·Granted Sep 26, 1995·6 cites·5 claims
- 1056US5160587AExtractive distillation of propylene oxideTEXACO CHEMICAL·Filed 1991·Granted Nov 3, 1992·20 cites·3 claims
- 1146US5154804ARemoval of water, acetone and methanol from propylene oxide by extractive distillationTEXACO CHEMICAL·Filed 1991·Granted Oct 13, 1992·13 cites·9 claims
- 1240US5145561ARemoval of water and methanol from propylene oxide by extractive distillationTEXACO CHEMICAL·Filed 1991·Granted Sep 8, 1992·9 cites·10 claims
- 1340US5116467AWater and acetone removal from propylene oxide by extractive distillationTEXACO CHEMICAL·Filed 1991·Granted May 26, 1992·9 cites·4 claims
- 1431US6023001APeroxide productionHUNTSMAN ICI CHEM LLC·Filed 1998·Granted Feb 8, 2000·0 cites·27 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →