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 76–100 of 168 patents

Patent #TitleCo-InventorsDate
7504358 Nickel-substituted and mixed nickel-and cobalt-substituted chromium oxide compositions, their preparation, and their use as catalysts and catalysts precursors Velliyur Nott Mallikarjuna Rao, H. David Rosenfeld, Shekhar Subramoney, Munirpallam A. Subramanian 2009-03-17
7498296 Azeotropic compositions comprising fluorinated compounds for cleaning applications Melodie A. Schweitzer, Joan Ellen Bartelt, Barbara Haviland Minor 2009-03-03
7479239 1,1,1,2,2,4,5,5,5-nonafluoro-4-(trifluoromethyl)-3-pentanone compositions comprising a hydrofluorocarbon and uses thereof Barbara Haviland Minor, Mario Joseph Nappa, Thomas J. Leck 2009-01-20
7476771 Azeotrope compositions comprising 2,3,3,3-tetrafluoropropene and hydrogen fluoride and uses thereof Ralph Newton Miller, Mario Joseph Nappa, Velliyur Nott Mallikarjuna Rao 2009-01-13
7476331 Compositions comprising 1,1,1,2,2,3,4,5,5,6,6,7,7,7-tetradecafluoroheptane and uses thereof Abid N. Merchant, Barbara Haviland Minor, Shoeb Akberali Moiyadi, Melodie A. Schweitzer 2009-01-13
7435700 Chromium oxide compositions containing zinc, their preparation and their use as catalysts and catalyst precursors Tammy Georgette Amos, Velliyur Nott Mallikarjuna Rao, Shekhar Subramoney 2008-10-14
7423188 Azeotrope compositions comprising E-1,3,3,3-tetrafluoropropene and hydrogen fluoride and uses thereof Ralph Newton Miller, Mario Joseph Nappa, Velliyur Nott Mallikarjuna Rao 2008-09-09
7413676 Heat transfer and refrigerant compositions comprising 3,3,4,4,5,5,6,6,6-nonafluoro-1-hexene and a fluoroether Mario Joseph Nappa, Barbara Haviland Minor, Velliyur Nott Mallikarjuna Rao 2008-08-19
7405334 Process for the reduction of acidic contaminates in fluorinated hydrocarbons Velliyur Nott Mallikarjuna Rao 2008-07-29
7388117 Azeotrope compositions comprising 1,2,3,3,3-pentafluoropropene and hydrogen fluoride and uses thereof Ralph Newton Miller, Barbara Haviland Minor, Mario Joseph Nappa, Velliyur Nott Mallikarjuna Rao 2008-06-17
7384572 Azeotrope-like compositions containing fluoroethane Barbara Haviland Minor, Vinci Martinez Felix 2008-06-10
7385094 Azeotrope compositions comprising tridecafluoro-3-heptene and hydrogen fluoride and uses thereof Ralph Newton Miller, Mario Joseph Nappa, Velliyur Nott Mallikarjuna Rao 2008-06-10
7354529 1,1,1,2,2,3,3,4,4-nonafluro-4-methoxybutane refrigerant compositions comprising hydrofluorocarbon, and uses thereof Barbara Haviland Minor, Mario Joseph Nappa 2008-04-08
7351352 1,1,1,2,2,3,3,4,4-Nonafluoro-4-methoxybutane refrigerant compositions comprising a fluoroether and uses thereof Barbara Haviland Minor, Mario Joseph Nappa 2008-04-01
7348446 Process for the production of trialkylsilyl(fluorosulfonyl)difluoroacetate Lee G. Sprague 2008-03-25
7343981 Methods using fluoroketones for: extinguishing fire; preventing fire, and reducing or eliminating the flammability of a flammable working fluid Mario Joseph Nappa, Velliyur Nott Mallikarjuna Rao 2008-03-18
7314576 1,1,1,2,2,4,5,5,5-nonafluoro-4-(trifluoromethyl)-3-pentanone compositions comprising a hydrofluorocarbon and uses thereof Barbara Haviland Minor, Mario Joseph Nappa, Thomas J. Leck 2008-01-01
7285692 Process for the preparation of 1,1,1,3,3-pentafluoropropane and 1,1,1,2,3-pentafluoropropane Velliyur Nott Mallikarjuna Rao 2007-10-23
7285691 Process for the preparation of 1,1,1,3,3,3-hexafluoropropane and at least one of 1,1,1,2,3,3-hexafluoropropane and 1,1,1,2,3,3,3-heptafluoropropane Velliyur Nott Mallikarjuna Rao 2007-10-23
7285690 Process for the preparation of 1,1,1,3,3-pentafluoropropane and 1,1,1,3,3,3-hexafluoropropane Velliyur Nott Mallikarjuna Rao 2007-10-23
7264745 Heat transfer and refrigerant compositions comprising 3,3,4,4,5,5,6,6,6-nonafluoro-1-hexene and a hydrofluorocarbon Mario Joseph Nappa, Barbara Haviland Minor, Velliyur Nott Mallikarjuna Rao 2007-09-04
7252780 1,1,1,2,2,4,5,5,5-nonafluoro-4-(trifluoromethyl)-3-pentanone refrigerant and heat transfer compositions comprising a fluoroether Barbara Haviland Minor, Mario Joseph Nappa, Thomas J. Leck 2007-08-07
7241928 Process for the manufacture of halocarbons and selected compounds and azeotropes with HF Velliyur Rao 2007-07-10
7241398 1,1,1,3,3,-pentafluorobutane refrigerant or heat transfer fluid compositions comprising hydrofluorocarbon and uses thereof Barbara Haviland Minor, Mario Joseph Nappa 2007-07-10
7220363 1,1,1,2,2,3,3,4,4-Nonafluoro-4-methoxybutane refrigerant compositions comprising a fluoroether and uses thereof Barbara Haviland Minor, Mario Joseph Nappa 2007-05-22