DR

Douglas M. Richards

ET Ethyl: 3 patents #165 of 494Top 35%
Overall (All Time): #1,657,838 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5211931 Removal of ethylene from silane using a distillation step after separation using a zeolite molecular sieve Robert H. Allen 1993-05-18
5075092 Process for preparation of silane James E. Boone, Joseph A. Bossier, III 1991-12-24
4847061 Process for preparation of silane Joseph A. Bossier, III, Lloyd T. Crasto 1989-07-11