AS

Allen Capron Sievert

EA E.I. Du Pont De Nemours And: 150 patents #2 of 8,010Top 1%
TF The Chemours Company Fc: 18 patents #8 of 195Top 5%
📍 Elkwood Estates, MD: #1 of 31 inventorsTop 4%
🗺 Maryland: #11 of 35,612 inventorsTop 1%
Overall (All Time): #4,890 of 4,157,543Top 1%
168
Patents All Time

Issued Patents All Time

Showing 151–168 of 168 patents

Patent #TitleCo-InventorsDate
5605882 Azeotrope(like) compositions of pentafluorodimethyl ether and difluoromethane Diana Lynn Klug, Barbara Haviland Minor, Donna Marie Patron, Tuneen E. C. Chisolm 1997-02-25
5565081 Processes for the preparation of 2,2,3,3-tetrafluoropropionate salts and derivatives thereof Carl G. Krespan 1996-10-15
5562853 1,1,2,2,3,3,4,4,-octafluorobutane compositions Barbara Haviland Minor 1996-10-08
5523501 Catalytic hydrogenolysis Carl S. Kellner, V. N. Mallikarjuna Rao 1996-06-04
5488189 Process for fluorinated propanes and pentanes Mario Joseph Nappa 1996-01-30
5474696 Process for refrigeration using 1,1,1,2-tetrafluoro-2-(difluoromethoxy) ethane or 1,1,2,2-tetrafluoro-2-(difluoromethoxy)ethane Donna Marie Patron 1995-12-12
5430206 Method for purifying dichloropentafluoropropanes Abid N. Merchant 1995-07-04
5414165 Process for the manufacture of 1,1,1,3,3,3,-hexafluoropropane Mario Joseph Nappa 1995-05-09
5409625 Azeotropic mixture of linear hydrofluorocarbon and HF Mario Joseph Nappa, V. N. Mallikarjuna Rao 1995-04-25
5410095 Process for the production of pentaflourodimethyl ether Paul R. Resnick 1995-04-25
5406008 Process for the manufacture of hydrofluorocarbons 1995-04-11
5336801 Processes for the preparation of 2,2,3,3-tetrafluoropropionate salts and derivatives thereof Carl G. Krespan 1994-08-09
5274189 Process for the manufacture of linear hydrofluorocarbons containing end group hydrogen substituents Mario Joseph Nappa 1993-12-28
5274190 Process for the manufacture of linear hydrofluorocarbons containing end group hydrogen substituents Mario Joseph Nappa 1993-12-28
5221493 Azeotropic compositions of 1,1,2,2,3,3,4,4-octafluorobutane and alcohols or ketones Abid N. Merchant, Akimichi Yokozeki, Janet C. Sung 1993-06-22
H1188 Process for making 1,1-dichloro-1,2-difluoroethane Mario Joseph Nappa 1993-05-04
5157171 Process for chlorofluoropropanes Carl G. Krespan, Frank J. Weigert 1992-10-20
4960951 Novel perfluoropolyethers Mario Joseph Nappa, Walter R. Tong 1990-10-02