TR

Timothy R. Ryan

HC Hoechst Celanese: 2 patents #300 of 871Top 35%
Overall (All Time): #1,656,742 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5185469 Process for acylation or alkylation of aromatic compounds in hydrogen fluoride Daniel D. Lindley, Thomas A. Curtis, Edward M. de la Garza, Charles R. Hilton, Thomas M. Kenesson 1993-02-09
5068448 Process for the production of 4'-isobutylacetophenone Daniel D. Lindley, Thomas A. Curtis, Edward M. de la Garza, Charles B. Hilton, Thomas M. Kenesson 1991-11-26
4990681 Method for removing hydrogen fluoride from mixtures comprising aromatic ketones Thomas A. Curtis, Daniel D. Lindley 1991-02-05