Inventor · disambiguated record
Subhash Vishnu Gangal
Also filed as: GANGAL SUBHASH V · GANGAL SUBHASH VISHNU
28 granted patents·20 pending applications·379 citations·filing 1975–2022
96Inventor score
Top patents by PatentIndex Score
48 records- 0198US7977438B2Aqueous polymerization of fluorinated monomers using polymerization agent comprising fluoropolyether acid or salt and siloxane surfactantDU PONT·Filed 2007·Granted Jul 12, 2011·48 cites·24 claims
- 0298US7705074B2Aqueous polymerization of fluorinated monomer using polymerization agent comprising fluoropolyether acid or salt and short chain fluorosurfactantDU PONT·Filed 2007·Granted Apr 27, 2010·36 cites·6 claims
- 0397US9255164B2Aqueous polymerization of perfluoromonomer using hydrocarbon surfactantBROTHERS PAUL DOUGLAS·Filed 2011·Granted Feb 9, 2016·17 cites·26 claims
- 0497US7897682B2Aqueous polymerization of fluorinated monomers using polymerization agent comprising fluoropolyether acid or salt and hydrocarbon surfactantDU PONT·Filed 2007·Granted Mar 1, 2011·37 cites·4 claims
- 0593US8563670B2Nucleation in aqueous polymerization of fluoromonomerBROTHERS PAUL DOUGLAS·Filed 2011·Granted Oct 22, 2013·12 cites·6 claims
- 0693US8519072B2Aqueous polymerization of fluorinated monomer using polymerization agent comprising fluoropolyether acid or salt and short chain fluorosurfactantBROTHERS PAUL DOUGLAS·Filed 2011·Granted Aug 27, 2013·6 cites·14 claims
- 0791US9518170B2Aqueous polymerization of perfluoromonomer using hydrocarbon surfactantCHEMOURS CO FC LLC·Filed 2016·Granted Dec 13, 2016·3 cites·18 claims
- 0891US9074025B2Reducing the telogenic behavior of hydrocarbon-containing surfactants in aqueous dispersion fluoromonomer polymerizationBROTHERS PAUL DOUGLAS·Filed 2011·Granted Jul 7, 2015·11 cites·16 claims
- 0990US9732212B2Aqueous polymerization of fluorinated monomer using a mixture of fluoropolyether acids or saltsCHEMOURS CO FC LLC·Filed 2015·Granted Aug 15, 2017·3 cites·10 claims
- 1087US4792594ATetrafluoroethylene copolymersDU PONT·Filed 1986·Granted Dec 20, 1988·43 cites·3 claims
- 1187US2022389128A1Aqueous polymerization of fluorinated monomer using polymerization agent comprising fluoropolyether acid or salt and short chain fluorosurfactantCHEMOURS CO FC LLC·Filed 2022·Application pending·0 cites
- 1285US4370376ATetrafluoroethylene polymer dispersionsDU PONT·Filed 1981·Granted Jan 25, 1983·34 cites·7 claims
- 1383US4963609ALow smoke and flame-resistant compositionDU PONT·Filed 1989·Granted Oct 16, 1990·35 cites·13 claims
- 1480US3980612AProcess for reducing filler loss during polytetrafluoroethylene agglomerationDU PONT·Filed 1975·Granted Sep 14, 1976·27 cites·5 claims
- 1578US9371405B2Nucleation in aqueous polymerization of fluoromonomerCHEMOURS CO FC LLC·Filed 2013·Granted Jun 21, 2016·2 cites·15 claims
- 1675US11655312B2Aqueous polymerization of perfluoromonomer using hydrocarbon surfactantCHEMOURS CO FC LLC·Filed 2020·Granted May 23, 2023·0 cites·26 claims
- 1774US4636549ATetrafluoroethylene copolymersDU PONT·Filed 1985·Granted Jan 13, 1987·22 cites·1 claims
- 1872US11440981B2Aqueous polymerization of fluorinated monomer using polymerization agent comprising fluoropolyether acid or salt and short chain fluorosurfactantCHEMOURS CO FC LLC·Filed 2013·Granted Sep 13, 2022·0 cites·41 claims
- 1972US9676929B2Employing polyalkylene oxides for nucleation in aqueous polymerization of fluoromonomerCHEMOURS CO FC LLC·Filed 2014·Granted Jun 13, 2017·1 cites·17 claims
- 2071US2017198070A1Aqueous polymerization of fluorinated monomer using polymerization agent comprising fluoropolyether acid or salt and short chain fluorosurfactantCHEMOURS CO FC LLC·Filed 2017·Application pending·0 cites
- 2167US10703829B2Aqueous polymerization of perfluoromonomer using hydrocarbon surfactantCHEMOURS CO FC LLC·Filed 2016·Granted Jul 7, 2020·0 cites·7 claims
- 2267US4342675AProcess for preparing aqueous dispersion of polytetrafluoroethyleneDU PONT·Filed 1978·Granted Aug 3, 1982·21 cites·4 claims
- 2363US2013217849A1Aqueous polymerization of fluorinated monomer using a mixture of fluoropolyether acids or saltsDU PONT·Filed 2013·Application pending·0 cites
- 2462US4186121AProcess for obtaining colloidal dispersion of polymeric tetrafluoroethyleneDU PONT·Filed 1978·Granted Jan 29, 1980·15 cites·5 claims
- 2561US2012004365A1Aqueous Polymerization of Fluorinated Monomer Using a Mixture of Fluoropolyether Acids or SaltsBROTHERS PAUL DOUGLAS·Filed 2011·Application pending·0 cites
- 2661US2009281241A1Aqueous Polymerization of Fluorinated Monomer Using a Mixture of Fluoropolyether Acids or SaltsDU PONT·Filed 2009·Application pending·0 cites
- 2760US2012077931A1Aqueous polymerization of fluorinated monomer using polymerization agent comprising fluoropolyether acid or salt and short chain fluorosurfactantBROTHERS PAUL DOUGLAS·Filed 2011·Application pending·0 cites
- 2860US2010152378A1Aqueous Polymerization of Fluorinated Monomer Using Polymerization Agent Comprising Fluoropolyether Acid or Salt and Short Chain FluorosurfactantDU PONT·Filed 2010·Application pending·0 cites
- 2960US2010152363A1Aqueous Polymerization of Fluorinated Monomer Using Polymerization Agent Comprising Fluoropolyether Acid or Salt and Short Chain FluorosurfactantDU PONT·Filed 2010·Application pending·0 cites
- 3059US2009281261A1Abatement of Fluoroether Carboxylic Acids or Salts Employed in Fluoropolymer Resin ManufactureDU PONT·Filed 2009·Application pending·0 cites
- 3158US2010152379A1Aqueous Polymerization of Fluorinated Monomer Using Polymerization Agent Comprising Fluoropolyether Acid or Salt and Short Chain FluorosurfactantDU PONT·Filed 2010·Application pending·0 cites
- 3257US2015344592A1Fluoropolymer dispersion treatment employing oxidizing agent to reduce fluoropolymer resin discolorationCHEMOURS CO FC LLC·Filed 2015·Application pending·0 cites
- 3357US2013303717A1Fluoropolymer Dispersion Treatment Employing Oxidizing Agent to Reduce Fluoropolymer Resin DiscolorationDU PONT·Filed 2013·Application pending·0 cites
- 3457US2013303718A1Fluoropolymer Dispersion Treatment Employing Oxidizing Agent to Reduce Fluoropolymer Resin DiscolorationDU PONT·Filed 2013·Application pending·0 cites
- 3555US2015203427A1Abatement of fluoroether carboxylic acids or salts employed in fluoropolymer resin manufactureDU PONT·Filed 2015·Application pending·0 cites
- 3652US8785560B2Employing pretreatment and fluorination of fluoropolymer resin to reduce discolorationDU PONT·Filed 2013·Granted Jul 22, 2014·0 cites·14 claims
- 3751US8785516B2Fluoropolymer dispersion treatment employing ultraviolet light and oxygen source to reduce fluoropolymer resin discolorationDU PONT·Filed 2013·Granted Jul 22, 2014·0 cites·11 claims
- 3851US4189551AProcess for reducing adhesions during suspension polymerizationDU PONT·Filed 1978·Granted Feb 19, 1980·6 cites·4 claims
- 3950US9574027B2Fluoropolymer resin treatment employing sorbent to reduce fluoropolymer resin discolorationCHEMOURS CO FC LLC·Filed 2014·Granted Feb 21, 2017·0 cites·13 claims
- 4048US9175110B2Fluoropolymer resin treatment employing melt extrusion and exposure to oxygen source to reduce discolorationDU PONT·Filed 2013·Granted Nov 3, 2015·0 cites·6 claims
- 4147US9175112B2Drying wet fluoropolymer resin and exposing to oxygen source to reduce discolorationDU PONT·Filed 2013·Granted Nov 3, 2015·0 cites·11 claims
- 4245US9175115B2Fluoropolymer resin treatment employing heating and oxygen source to reduce discolorationDU PONT·Filed 2013·Granted Nov 3, 2015·0 cites·5 claims
- 4343US2015141581A1Fluoropolymer Resin Treatment Employing Oxidizing Agent to Reduce DiscolorationDU PONT·Filed 2013·Application pending·0 cites
- 4443US2013303710A1Fluoropolymer Dispersion Treatment Employing Hydrogen Peroxide to Reduce Fluoropolymer Resin DiscolorationDU PONT·Filed 2013·Application pending·0 cites
- 4543US2013303709A1Fluoropolymer Dispersion Treatment Employing High pH and Oxygen Source to Reduce Fluoropolymer Resin DiscolorationDU PONT·Filed 2013·Application pending·0 cites
- 4643US2013303652A1Fluoropolymer Dispersion Treatment Employing Light and Oxygen Source in Presence of Photocatalyst to Reduce Fluoropolymer Resin DiscolorationDU PONT·Filed 2013·Application pending·0 cites
- 4743US2013303707A1Fluorination of Fluoropolymer Resin to Reduce DiscolorationDU PONT·Filed 2013·Application pending·0 cites
- 4842US2013303708A1Fluoropolymer Dispersion Treatment Employing Hypochlorite Salts or Nitrite Salts to Reduce Fluoropolymer Resin DiscolorationDU PONT·Filed 2013·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Subhash Vishnu Gangal files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →