WI

William K. Culbreth, III

Chevron: 11 patents #427 of 4,788Top 9%
HC Huntsman Ici Chemicals: 2 patents #1 of 15Top 7%
HC Huntsman Specialty Chemicals: 1 patents #10 of 28Top 40%
Overall (All Time): #357,181 of 4,157,543Top 9%
14
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6037516 Method for removal of oxygenate impurities from organic chemical streams Peter S. Morford, Timothy L. Lambert 2000-03-14
6023001 Peroxide production Mark E. Taylor, Kyle Preston, Mark A. Mueller 2000-02-08
5773634 Tertiary butyl alcohol absorption process for recovering propylene and isobutane David Durham Chess, David G. Pottratz, Eileen T. Nguyen 1998-06-30
5464505 Use of propylene oxide adducts in the purification of propylene oxide by extractive distillation Michael W. Peters, William A. Smith, Mark A. Mueller 1995-11-07
5453160 Use of mixed polyoxypropylene glycols in the extractive distillation of propylene oxide Michael W. Peters, Mark A. Mueller 1995-09-26
5354430 Staged purification of contaminated propylene oxide Yu-Hwa E. Sheu, David G. Pottratz 1994-10-11
5160587 Extractive distillation of propylene oxide Edward T. Marquis, George P. Speranza, Yu-Hwa E. Sheu, David G. Pottratz 1992-11-03
5154804 Removal of water, acetone and methanol from propylene oxide by extractive distillation Edward T. Marquis, George P. Speranza, Yu-Hwa E. Sheu, David G. Pottratz 1992-10-13
5154803 Purification of contaminated propylene oxide by extractive distillation Edward T. Marquis, George P. Speranza, Yu-Hwa E. Sheu, David G. Pottratz 1992-10-13
5145563 Dehydration of propylene oxide by extracting distillation David G. Pottratz, Wei-Yang Su, Yu-Hwa E. Sheu, Carter G. Naylor 1992-09-08
5145561 Removal of water and methanol from propylene oxide by extractive distillation Edward T. Marquis, George P. Speranza, Yu-Hwa E. Sheu, David G. Pottratz 1992-09-08
5139622 Purification of propylene oxide by extractive distillation Edward T. Marquis, George P. Speranza, Yu-Hwa E. Sheu, David G. Pottratz 1992-08-18
5116467 Water and acetone removal from propylene oxide by extractive distillation Edward T. Marquis, George P. Speranza, Yu-Hwa E. Sheu, David G. Pottratz 1992-05-26
5116466 Propylene oxide purification by extractive distillation Edward T. Marquis, George P. Speranza, Yu-Hwa E. Sheu, David G. Pottratz 1992-05-26