AS

Allen Capron Sievert

EA E.I. Du Pont De Nemours And: 13 patents #7 of 843Top 1%
📍 Elkwood Estates, MD: #1 of 1 inventorsTop 100%
🗺 Maryland: #2 of 2,889 inventorsTop 1%
Overall (2011): #2,012 of 364,097Top 1%
13
Patents 2011

Issued Patents 2011

Showing 1–13 of 13 patents

Patent #TitleCo-InventorsDate
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
8053613 Processes for producing 1,2,3,3,3-pentafluoropropene and precursors thereof 2011-11-08
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
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
7981311 Process and methods of purification for the manufacture fluorocarbons Mario Joseph Nappa, Velliyur Nott Mallikarjuna Rao, Jeffrey P. Knapp 2011-07-19
7981312 Processes for producing and compositions comprising 2,3,3,3-tetrafluoropropene and/or 1,2,3,3-tetrafluoropropene Mario Joseph Nappa, Velliyur Mallikarjuna Nott Rao 2011-07-19
7959828 Solvent compositions comprising unsaturated fluorinated hydrocarbons Mario Joseph Nappa, Melodie A. Schweitzer, Ekaterina N. Swearingen 2011-06-14
7943015 Use of copolymers of perfluoro(alkyl vinyl ether) for photochemical reactions Velliyur Nott Mallikarjuna Rao 2011-05-17
7928271 Process for producing 1,2,3,3,3-pentafluoropropene and related azeotropic compositions 2011-04-19
7922930 Azeotropic compositions comprising fluorinated olefins for cleaning applications Melodie A. Schweitzer, Joan Ellen Bartelt, Barbara Haviland Minor 2011-04-12
7906693 Processes for producing 2,3,3,3-tetrafluoropropene, a process for producing 1-chloro-2,3,3,3-pentafluoropropane and azeotropic compositions of 1-chloro-2,3,3,3-tetrafluoropropene with HF Mario Joseph Nappa, Velliyur Nott Mallikarjuna Rao 2011-03-15
7897823 Process for production of azeotrope compositions comprising hydrofluoroolefin and hydrogen fluoride and uses of said azeotrope compositions in separation processes Ralpha Newton Miller, Mario Joseph Nappa, Velliyur Nott Mallikarjuna Rao 2011-03-01
7872161 Process for producing 2,3,3,3-tetrafluoropropene Velliyur Nott Mallikarjuna Rao 2011-01-18