Inventor · disambiguated record
Allen Capron Sievert
Also filed as: SIEVERT ALLEN · SIEVERT ALLEN C · SIEVERT ALLEN CAPRON
167 granted patents·40 pending applications·1,826 citations·filing 1989–2024
99Inventor score
Files withDU PONT135CHEMOURS CO FC LLC22RAO VELLIYUR NOTT MALLIKARJUNA16NAPPA MARIO JOSEPH6MILLER RALPH NEWTON3
Top patents by PatentIndex Score
207 records- 0199US11708516B21,2,3,3,3-pentafluropropene production processesCHEMOURS CO FC LLC·Filed 2021·Granted Jul 25, 2023·4 cites·6 claims
- 0299US11046877B1Compositions comprising fluoroolefins and uses thereofCHEMOURS CO FC LLC·Filed 2021·Granted Jun 29, 2021·14 cites·18 claims
- 0398US10563107B2Compositions comprising fluoroolefins and uses thereofCHEMOURS CO FC LLC·Filed 2018·Granted Feb 18, 2020·12 cites·8 claims
- 0498US8911640B2Compositions comprising fluoroolefins and uses thereofDU PONT·Filed 2013·Granted Dec 16, 2014·16 cites·12 claims
- 0598US8450537B2Processes for the production of fluoropropanes and halopropenesDU PONT·Filed 2012·Granted May 28, 2013·16 cites·13 claims
- 0698US8425795B2Compositions comprising fluoroolefins and uses thereofNAPPA MARIO JOSEPH·Filed 2011·Granted Apr 23, 2013·23 cites·13 claims
- 0798US8398882B2Processes 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 HFRAO VELLIYUR NOTT MALLIKARJUNA·Filed 2007·Granted Mar 19, 2013·34 cites·25 claims
- 0898US7846355B2Solvent compositions comprising unsaturated fluorinated hydrocarbonsDU PONT·Filed 2010·Granted Dec 7, 2010·19 cites·28 claims
- 0998US7423188B2Azeotrope compositions comprising E-1,3,3,3-tetrafluoropropene and hydrogen fluoride and uses thereofDU PONT·Filed 2006·Granted Sep 9, 2008·42 cites·22 claims
- 1097US11053421B21,2,3,3,3-pentafluropropene production processesCHEMOURS CO FC LLC·Filed 2019·Granted Jul 6, 2021·6 cites·7 claims
- 1197US7959828B2Solvent compositions comprising unsaturated fluorinated hydrocarbonsDU PONT·Filed 2010·Granted Jun 14, 2011·13 cites·24 claims
- 1297US7708903B2Compositions comprising fluoroolefins and uses thereofDU PONT·Filed 2006·Granted May 4, 2010·52 cites·10 claims
- 1397US7700004B2Solvent compositions comprising unsaturated fluorinated hydrocarbonsDU PONT·Filed 2006·Granted Apr 20, 2010·17 cites·24 claims
- 1497US7498296B2Azeotropic compositions comprising fluorinated compounds for cleaning applicationsDU PONT·Filed 2007·Granted Mar 3, 2009·26 cites·12 claims
- 1596US10392545B21,2,3,3,3-pentafluoropropene production processesCHEMOURS CO FC LLC·Filed 2013·Granted Aug 27, 2019·6 cites·9 claims
- 1696US7476771B2Azeotrope compositions comprising 2,3,3,3-tetrafluoropropene and hydrogen fluoride and uses thereofDU PONT·Filed 2006·Granted Jan 13, 2009·23 cites·20 claims
- 1796US5414165AProcess for the manufacture of 1,1,1,3,3,3,-hexafluoropropaneDU PONT·Filed 1994·Granted May 9, 1995·62 cites·6 claims
- 1895US7718089B2Solvent compositions comprising unsaturated fluorinated hydrocarbonsDU PONT·Filed 2006·Granted May 18, 2010·12 cites·28 claims
- 1995US6066768APerhalofluorinated butanes and hexanesDU PONT·Filed 1996·Granted May 23, 2000·65 cites·4 claims
- 2094US7897823B2Process for production of azeotrope compositions comprising hydrofluoroolefin and hydrogen fluoride and uses of said azeotrope compositions in separation processesDU PONT·Filed 2005·Granted Mar 1, 2011·27 cites·4 claims
- 2194US7872161B2Process for producing 2,3,3,3-tetrafluoropropeneDU PONT·Filed 2007·Granted Jan 18, 2011·15 cites·2 claims
- 2294US7678949B2Process for the preparation of 1,3,3,3-tetrafluoropropene and/or 2,3,3,3-tetrafluoropropeneDU PONT·Filed 2006·Granted Mar 16, 2010·21 cites·7 claims
- 2394US6329559B1Processes for the production of hexafluoropropene and optionally other halogenated hydrocarbons containing fluorineDU PONT·Filed 1999·Granted Dec 11, 2001·79 cites·20 claims
- 2494US5605882AAzeotrope(like) compositions of pentafluorodimethyl ether and difluoromethaneDU PONT·Filed 1993·Granted Feb 25, 1997·55 cites·4 claims
- 2594US5157171AProcess for chlorofluoropropanesDU PONT·Filed 1991·Granted Oct 20, 1992·52 cites·11 claims
- 2693US12110444B21,2,3,3,3-pentafluropropene production processesCHEMOURS CO FC LLC·Filed 2023·Granted Oct 8, 2024·0 cites·12 claims
- 2793US9890311B2Compositions comprising fluoroolefins and uses thereofNAPPA MARIO JOSEPH·Filed 2015·Granted Feb 13, 2018·3 cites·17 claims
- 2893US8232435B21,2,3,3,3-pentafluoropropene production processesSIEVERT ALLEN CAPRON·Filed 2007·Granted Jul 31, 2012·27 cites·13 claims
- 2993US7641808B2Azeotropic compositions comprising fluorinated olefins for cleaning applicationsDU PONT·Filed 2007·Granted Jan 5, 2010·12 cites·8 claims
- 3093US2024425741A11,2,3,3,3-pentafluropropene production processesCHEMOURS CO FC LLC·Filed 2024·Application pending·0 cites
- 3192US9410064B2Compositions comprising fluoroolefins and uses thereofCHEMOURS CO FC LLC·Filed 2015·Granted Aug 9, 2016·2 cites·13 claims
- 3292US7663007B2Process for the preparation of 1,3,3,3-tetrafluoropropene and/or 1,1,3,3,3-pentafluoropropeneDU PONT·Filed 2006·Granted Feb 16, 2010·14 cites·4 claims
- 3392US7285692B2Process for the preparation of 1,1,1,3,3-pentafluoropropane and 1,1,1,2,3-pentafluoropropaneDU PONT·Filed 2004·Granted Oct 23, 2007·26 cites·7 claims
- 3492US6540933B1Process for the production of hexafluoropropylene from CC1F2CC1FCF3 and azeotropes of CC1F2CC1FCF3 with HFDU PONT·Filed 1999·Granted Apr 1, 2003·42 cites·13 claims
- 3591US7943015B2Use of copolymers of perfluoro(alkyl vinyl ether) for photochemical reactionsDU PONT·Filed 2005·Granted May 17, 2011·14 cites·18 claims
- 3691US7641809B2Tracer-containing compositionsDU PONT·Filed 2005·Granted Jan 5, 2010·28 cites·6 claims
- 3791US6548720B2Process for the manufacture of 1,1,1,3,3-pentafluoropropene, 2-chloro-pentafluoropropene and compositions comprising saturated derivatives thereofDU PONT·Filed 2002·Granted Apr 15, 2003·20 cites·18 claims
- 3890US9540557B2Compositions comprising fluoroolefins and uses thereofCHEMOURS CO FC LLC·Filed 2014·Granted Jan 10, 2017·3 cites·12 claims
- 3990US7922930B2Azeotropic compositions comprising fluorinated olefins for cleaning applicationsDU PONT·Filed 2010·Granted Apr 12, 2011·6 cites·8 claims
- 4090US7906693B2Processes 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 HFDU PONT·Filed 2007·Granted Mar 15, 2011·8 cites·8 claims
- 4190US7744774B2Azeotropic compositions comprising fluorinated olefins for cleaning applicationsDU PONT·Filed 2009·Granted Jun 29, 2010·8 cites·14 claims
- 4290US7728183B2Selectively reacting olefins having a terminal CF2 group in a mixtureDU PONT·Filed 2007·Granted Jun 1, 2010·12 cites·10 claims
- 4390US7476331B2Compositions comprising 1,1,1,2,2,3,4,5,5,6,6,7,7,7-tetradecafluoroheptane and uses thereofDU PONT·Filed 2006·Granted Jan 13, 2009·10 cites·18 claims
- 4490US5523501ACatalytic hydrogenolysisDU PONT·Filed 1994·Granted Jun 4, 1996·36 cites·7 claims
- 4590US5406008AProcess for the manufacture of hydrofluorocarbonsDU PONT·Filed 1989·Granted Apr 11, 1995·27 cites·8 claims
- 4689US7981312B2Processes for producing and compositions comprising 2,3,3,3-tetrafluoropropene and/or 1,2,3,3-tetrafluoropropeneDU PONT·Filed 2007·Granted Jul 19, 2011·22 cites·10 claims
- 4789US7722781B2Tetrafluoropropene production processesDU PONT·Filed 2007·Granted May 25, 2010·11 cites·15 claims
- 4889US7388117B2Azeotrope compositions comprising 1,2,3,3,3-pentafluoropropene and hydrogen fluoride and uses thereofDU PONT·Filed 2006·Granted Jun 17, 2008·7 cites·26 claims
- 4988US11912923B21,2,3,3,3-pentafluropropene production processesCHEMOURS CO FC LLC·Filed 2023·Granted Feb 27, 2024·0 cites·9 claims
- 5088US11046876B2Compositions comprising fluoroolefins and uses thereofCHEMOURS CO FC LLC·Filed 2020·Granted Jun 29, 2021·1 cites·6 claims
Showing the top 50 of 207 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →