DR

Debra A. Ryan

HC Hoechst Celanese: 6 patents #107 of 871Top 15%
CG Celanese Gmbh: 3 patents #105 of 404Top 30%
Overall (All Time): #577,905 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
8383854 Use of chemical reaction to separate ethylene from ethane in ethane-based processes to produce acetic acid James A. Foster 2013-02-26
5922921 Process for the production of n-butanol Jerry D. Unruh, Shannon Dugan 1999-07-13
5866725 Process for the production of n-propanol Jerry D. Unruh, Shannon Dugan 1999-02-02
5648535 Process for preparing acyl aminophenols James A. Foster, Werner H. Mueller, Hartmut Wiezer 1997-07-15
5616807 Process for preparing alkyl anilines James A. Foster, Werner H. Mueller 1997-04-01
RE34349 Method for the manufacture of 1,3-propanediol Jerry D. Unruh, Ioan Nicolau 1993-08-17
5151551 Method for purification of ibuprofen comprising mixtures Edward G. Zey, Thomas H. Shockley, Gary L. Moss 1992-09-29
5093537 Method for the manufacture of 1,3-propanediol Jerry D. Unruh, Ioan Nicolau 1992-03-03
4929773 Method of producing 1-(4'-isobutylphenyl)ethanol 1990-05-29