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 26–50 of 168 patents

Patent #TitleCo-InventorsDate
8562853 Tracer-containing compositions Thomas J. Leck, Stuart C. Bricker 2013-10-22
8558040 Methods for making foams using blowing agents comprising unsaturated fluorocarbons Joseph Anthony Creazzo, Mario Joseph Nappa, Ekaterina N. Swearingen 2013-10-15
8552227 Preparation of hydrofluoroolefins by dehydrofluorination Norman A. Carlson 2013-10-08
8535556 Compositions comprising iodotrifluoromethane and stabilizers Thomas J. Leck, Nandini C. Mouli, Jon Lee Howell, Velliyur Nott Mallikarjuna Rao, Andrew Edward Feiring +6 more 2013-09-17
8461378 Purification of fluoroalkanesulfonate salts Lee G. Sprague, James Schultz, Katelyn Rae Walck 2013-06-11
8450537 Processes for the production of fluoropropanes and halopropenes Velliyur Nott Mallikarjuna Rao 2013-05-28
8425795 Compositions comprising fluoroolefins and uses thereof Mario Joseph Nappa, Barbara Haviland Minor 2013-04-23
8399723 Processes for production and purification of hydrofluoroolefins Ralph Newton Miller, Mario Joseph Nappa, Velliyur Nott Mallikarjuna Rao 2013-03-19
8398882 Processes for the production of fluoropropanes and halopropenes and azeotropic compositions of 2-chloro-3,3,3-trifluoro-1-propene with HF and of 1,1,1,2,2-pentafluoropropane with HF Velliyur Nott Mallikarjuna Rao 2013-03-19
8377327 Tetrafluoropropene production processes Velliyur Nott Mallikarjuna Rao, Mario Joseph Nappa, Ralph Newton Miller 2013-02-19
8354039 Process for the manufacture fluorocarbons Mario Joseph Nappa, Velliyur Nott Mallikarjuna Rao, Jeffrey P. Knapp 2013-01-15
8349213 Solvent compositions comprising unsaturated fluorinated hydrocarbons Mario Joseph Nappa, Melodie A. Schweitzer, Ekaterina N. Swearingen 2013-01-08
8318992 Processes for the production of fluoropropanes and halopropenes Velliyur Nott Mallikarjuna Rao 2012-11-27
8288597 Dehydrofluorination process to manufacture hydrofluoroolefins Velliyur Nott Mallikarjuna Rao, Mario Joseph Nappa 2012-10-16
8287752 Fire extinguishing and fire suppression compositions comprising unsaturated fluorocarbons Mario Joseph Nappa, Ekaterina N. Swearingen 2012-10-16
8263816 1,2,3,3,3-Pentafluoropropene production processes Velliyur Nott Mallikarjuna Rao, Mario Joseph Nappa 2012-09-11
8232435 1,2,3,3,3-pentafluoropropene production processes Mario Joseph Nappa, Barry Asher Mahler 2012-07-31
8212092 Process for the reduction of acidic contaminates in fluorinated hydrocarbons Velliyur Nott Mallikarjuna Rao 2012-07-03
8163197 Azeotropic compositions comprising fluorinated olefins for cleaning applications Melodie A. Schweitzer, Joan Ellen Bartelt, Barbara Haviland Minor 2012-04-24
8163964 Processes for producing pentafluoropropenes and certain azeotropes comprising HF and certain halopropenes of the formula C3 HClF4 Velliyur Nott Mallikarjuna Rao 2012-04-24
8133406 Processes for producing 2,3,3,3-tetrafluoropropene and/or 1,2,3,3-tetrafluoropropene Mario Joseph Nappa, Velliyur Nott Mallikarjuna Rao 2012-03-13
8058489 Processes for producing pentafluoropropenes and azeotropes comprising HF and certain halopropenes of the formula C3Cl2F4, C3ClF5, or C3HF5 Velliyur Nott Mallikarjuna Rao 2011-11-15
8053611 Process or the preparation of 1,1,1,3,3,3-hexafluoro-propane and at least one of 1,1,1,2,3,3-hexafluoropropane, hexafluoropropane and 1,1,1,2,3,3,3-heptafluoropropane Velliyur Nott Mallikarjuna Rao, H. David Rosenfeld, Shekhar Subramoney 2011-11-08
8053613 Processes for producing 1,2,3,3,3-pentafluoropropene and precursors thereof 2011-11-08
8017817 Process for the preparation of 1,1,3,3,3-pentafluoropropene and 1,2,3,3,3-pentafluoropropene Velliyur Nott Mallikarjuna Rao, H. David Rosenfeld, Shekhar Subramoney 2011-09-13