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 1–25 of 168 patents

Patent #TitleCo-InventorsDate
12421181 Process for producing 1,1,1,4,4,4-hexafluorobut-2-ene Sheng Peng 2025-09-23
12421180 Processes for producing Z-1,1,1,4,4,4-hexafluorobut-2-ene and intermediates for producing same Sheng Peng 2025-09-23
12110444 1,2,3,3,3-pentafluropropene production processes Velliyur Nott Mallikarjuna Rao, Mario Joseph Nappa 2024-10-08
RE49849 Processes for the production of fluoropropanes and halopropenes Velliyur Nott Mallikarjuna Rao 2024-02-27
11912639 Processes for producing Z-1,1,1,4,4,4-hexafluorobut-2-ene and intermediates for producing same Sheng Peng 2024-02-27
11912923 1,2,3,3,3-pentafluropropene production processes Velliyur Nott Mallikarjuna Rao, Mario Joseph Nappa 2024-02-27
11708516 1,2,3,3,3-pentafluropropene production processes Velliyur Nott Mallikarjuna Rao, Mario Joseph Nappa 2023-07-25
11124685 Compositions comprising fluoroolefins and uses thereof Mario Joseph Nappa, Barbara Haviland Minor 2021-09-21
11053421 1,2,3,3,3-pentafluropropene production processes Velliyur Nott Mallikarjuna Rao, Mario Joseph Nappa 2021-07-06
11046876 Compositions comprising fluoroolefins and uses thereof Mario Joseph Nappa, Barbara Haviland Minor 2021-06-29
11046877 Compositions comprising fluoroolefins and uses thereof Mario Joseph Nappa, Barbara Haviland Minor 2021-06-29
10563107 Compositions comprising fluoroolefins and uses thereof Mario Joseph Nappa, Barbara Haviland Minor 2020-02-18
10392545 1,2,3,3,3-pentafluoropropene production processes Velliyur Nott Mallikarjuna Rao, Mario Joseph Nappa 2019-08-27
10329467 Compositions comprising fluoroolefins and uses thereof Mario Joseph Nappa, Barbara Haviland Minor 2019-06-25
9890311 Compositions comprising fluoroolefins and uses thereof Mario Joseph Nappa, Barbara Haviland Minor 2018-02-13
9598336 Catalytic hydrogenation of fluoroolefins, alpha-alumina supported palladium compositions and their use as hydrogenation catalysts Patricia Cheung, Concetta Lamarca 2017-03-21
9540557 Compositions comprising fluoroolefins and uses thereof Mario Joseph Nappa, Barbara Haviland Minor 2017-01-10
9446270 Fire extinguishing and fire suppression compositions comprising unsaturated fluorocarbons Mario Joseph Nappa, Ekaterina N. Swearingen 2016-09-20
9410064 Compositions comprising fluoroolefins and uses thereof Mario Joseph Nappa, Barbara Haviland Minor 2016-08-09
9000241 Use of copper-nickel catalysts for dehlogenation of chlorofluorocompounds Mario Joseph Nappa, Ekaterina N. Swearingen, Xuehui Sun 2015-04-07
8911640 Compositions comprising fluoroolefins and uses thereof Mario Joseph Nappa, Barbara Haviland Minor 2014-12-16
8907145 Aerosol propellants comprising unsaturated fluorocarbons Mario Joseph Nappa, Joseph Anthony Creazzo, Ekaterina N. Swearingen 2014-12-09
8884084 Process for the manufacture of halocarbons and selected compounds and azeotropes with HF Ralph Thomas Baker, Ralph Newton Miller, Viacheslav A. Petrov, Velliyur Nott Mallikarjuna Rao 2014-11-11
8696926 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 2014-04-15
8633339 Blowing agents for forming foam comprising unsaturated fluorocarbons Joseph Anthony Creazzo, Mario Joseph Nappa, Ekaterina N. Swearingen 2014-01-21