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Subhash Vishnu Gangal
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Hockessin, DE, US
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Patents Grants
last 30 patents
Information
Patent Grant
Aqueous polymerization of perfluoromonomer using hydrocarbon surfac...
Patent number
11,655,312
Issue date
May 23, 2023
THE CHEMOURS COMPANY FC, LLC
Paul Douglas Brothers
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Aqueous polymerization of fluorinated monomer using polymerization...
Patent number
11,440,981
Issue date
Sep 13, 2022
THE CHEMOURS COMPANY FC, LLC
Paul Douglas Brothers
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Aqueous polymerization of perfluoromonomer using hydrocarbon surfac...
Patent number
10,703,829
Issue date
Jul 7, 2020
THE CHEMOURS COMPANY FC, LLC
Paul Douglas Brothers
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Aqueous polymerization of fluorinated monomer using a mixture of fl...
Patent number
9,732,212
Issue date
Aug 15, 2017
THE CHEMOURS COMPANY FC, LLC
Paul Douglas Brothers
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Employing polyalkylene oxides for nucleation in aqueous polymerizat...
Patent number
9,676,929
Issue date
Jun 13, 2017
THE CHEMOURS COMPANY FC, LLC
Paul Douglas Brothers
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Fluoropolymer resin treatment employing sorbent to reduce fluoropol...
Patent number
9,574,027
Issue date
Feb 21, 2017
THE CHEMOURS COMPANY FC, LLC
Paul Douglas Brothers
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Aqueous polymerization of perfluoromonomer using hydrocarbon surfac...
Patent number
9,518,170
Issue date
Dec 13, 2016
THE CHEMOURS COMPANY FC, LLC
Paul Douglas Brothers
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Nucleation in aqueous polymerization of fluoromonomer
Patent number
9,371,405
Issue date
Jun 21, 2016
THE CHEMOURS COMPANY FC, LLC
Paul Douglas Brothers
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Aqueous polymerization of perfluoromonomer using hydrocarbon surfac...
Patent number
9,255,164
Issue date
Feb 9, 2016
THE CHEMOURS COMPANY FC, LLC
Paul Douglas Brothers
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Fluoropolymer resin treatment employing heating and oxygen source t...
Patent number
9,175,115
Issue date
Nov 3, 2015
THE CHEMOURS COMPANY FC, LLC
Paul Douglas Brothers
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Drying wet fluoropolymer resin and exposing to oxygen source to red...
Patent number
9,175,112
Issue date
Nov 3, 2015
THE CHEMOURS COMPANY FC, LLC
Paul Douglas Brothers
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Fluoropolymer resin treatment employing melt extrusion and exposure...
Patent number
9,175,110
Issue date
Nov 3, 2015
THE CHEMOURS COMPANY FC, LLC
Paul Douglas Brothers
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Reducing the telogenic behavior of hydrocarbon-containing surfactan...
Patent number
9,074,025
Issue date
Jul 7, 2015
THE CHEMOURS COMPANY FC, LLC
Paul Douglas Brothers
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Employing pretreatment and fluorination of fluoropolymer resin to r...
Patent number
8,785,560
Issue date
Jul 22, 2014
E I du Pont de Nemours and Company
Paul Douglas Brothers
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Fluoropolymer dispersion treatment employing ultraviolet light and...
Patent number
8,785,516
Issue date
Jul 22, 2014
E I du Pont de Nemours and Company
Paul Douglas Brothers
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Nucleation in aqueous polymerization of fluoromonomer
Patent number
8,563,670
Issue date
Oct 22, 2013
E I du Pont de Nemours and Company
Paul Douglas Brothers
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Aqueous polymerization of fluorinated monomer using polymerization...
Patent number
8,519,072
Issue date
Aug 27, 2013
E I du Pont de Nemours and Company
Paul Douglas Brothers
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Aqueous polymerization of fluorinated monomers using polymerization...
Patent number
7,977,438
Issue date
Jul 12, 2011
E. I. Du Pont de Nemours and Company
Paul Douglas Brothers
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Aqueous polymerization of fluorinated monomers using polymerization...
Patent number
7,897,682
Issue date
Mar 1, 2011
E. I. Du Pont de Nemours and Company
Paul Douglas Brothers
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Aqueous polymerization of fluorinated monomer using polymerization...
Patent number
7,705,074
Issue date
Apr 27, 2010
E. I. Du Pont de Nemours and Company
Paul Douglas Brothers
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Low smoke and flame-resistant composition
Patent number
4,963,609
Issue date
Oct 16, 1990
E. I. Du Pont de Nemours and Company
Jerrel C. Anderson
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Tetrafluoroethylene copolymers
Patent number
4,792,594
Issue date
Dec 20, 1988
E. I. Du Pont de Nemours and Company
Subhash V. Gangal
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Tetrafluoroethylene copolymers
Patent number
4,636,549
Issue date
Jan 13, 1987
E. I. Du Pont de Nemours and Company
Subhash V. Gangal
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Tetrafluoroethylene polymer dispersions
Patent number
4,370,376
Issue date
Jan 25, 1983
E. I. Du Pont de Nemours and Company
Subhash V. Gangal
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for preparing aqueous dispersion of polytetrafluoroethylene
Patent number
4,342,675
Issue date
Aug 3, 1982
E. I. Du Pont de Nemours and Company
Subhash V. Gangal
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for reducing adhesions during suspension polymerization
Patent number
4,189,551
Issue date
Feb 19, 1980
E. I. Du Pont de Nemours and Company
Subhash V. Gangal
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for obtaining colloidal dispersion of polymeric tetrafluoro...
Patent number
4,186,121
Issue date
Jan 29, 1980
E. I. Du Pont de Nemours and Company
Subhash V. Gangal
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for reducing filler loss during polytetrafluoroethylene agg...
Patent number
3,980,612
Issue date
Sep 14, 1976
E. I. Du Pont de Nemours and Company
Subhash Vishnu Gangal
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Patents Applications
last 30 patents
Information
Patent Application
AQUEOUS POLYMERIZATION OF FLUORINATED MONOMER USING POLYMERIZATION...
Publication number
20220389128
Publication date
Dec 8, 2022
THE CHEMOURS COMPANY FC, LLC
Paul Douglas BROTHERS
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
AQUEOUS POLYMERIZATION OF PERFLUOROMONOMER USING HYDROCARBON SURFAC...
Publication number
20200291141
Publication date
Sep 17, 2020
THE CHEMOURS COMPANY FC, LLC
PAUL DOUGLAS BROTHERS
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
AQUEOUS POLYMERIZATION OF FLUORINATED MONOMER USING POLYMERIZATION...
Publication number
20170198070
Publication date
Jul 13, 2017
PAUL DOUGLAS BROTHERS
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
AQUEOUS POLYMERIZATION OF PERFLUOROMONOMER USING HYDROCARBON SURFAC...
Publication number
20170073435
Publication date
Mar 16, 2017
THE CHEMOURS COMPANY FC, LLC
PAUL DOUGLAS BROTHERS
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
AQUEOUS POLYMERIZATION OF PERFLUOROMONOMER USING HYDROCARBON SURFAC...
Publication number
20160122509
Publication date
May 5, 2016
THE CHEMOURS COMPANY FC, LLC
PAUL DOUGLAS BROTHERS
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
FLUOROPOLYMER DISPERSION TREATMENT EMPLOYING OXIDIZING AGENT TO RED...
Publication number
20150344592
Publication date
Dec 3, 2015
THE CHEMOURS COMPANY FC, LLC
PAUL DOUGLAS BROTHERS
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
ABATEMENT OF FLUOROETHER CARBOXYLIC ACIDS OR SALTS EMPLOYED IN FLUO...
Publication number
20150203427
Publication date
Jul 23, 2015
E I DU PONT DE NEMOURS AND COMPANY
PAUL DOUGLAS BROTHERS
C07 - ORGANIC CHEMISTRY
Information
Patent Application
AQUEOUS POLYMERIZATION OF FLUORINATED MONOMER USING A MIXTURE OF FL...
Publication number
20150159004
Publication date
Jun 11, 2015
E I DU PONT DE NEMOURS AND COMPANY
PAUL DOUGLAS BROTHERS
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
EMPLOYING POLYALKYLENE OXIDES FOR NUCLEATION IN AQUEOUS POLYMERIZAT...
Publication number
20150148481
Publication date
May 28, 2015
E I DU PONT DE NEMOURS AND COMPANY
PAUL DOUGLAS BROTHERS
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Fluoropolymer Resin Treatment Employing Oxidizing Agent to Reduce D...
Publication number
20150141581
Publication date
May 21, 2015
Paul Douglas Brothers
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
FLUOROPOLYMER RESIN TREATMENT EMPLOYING SORBENT TO REDUCE FLUOROPOL...
Publication number
20140256895
Publication date
Sep 11, 2014
E I DU PONT DE NEMOURS AND COMPANY
Paul Douglas Brothers
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Nucleation in Aqueous Polymerization of Fluoromonomer
Publication number
20140018499
Publication date
Jan 16, 2014
E I DU PONT DE NEMOURS AND COMPANY
PAUL DOUGLAS BROTHERS
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Fluoropolymer Resin Treatment Employing Melt Extrusion and Exposure...
Publication number
20130345368
Publication date
Dec 26, 2013
E I DU PONT DE NEMOURS AND COMPANY
Paul Douglas Brothers
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
AQUEOUS POLYMERIZATION OF FLUORINATED MONOMER USING POLYMERIZATION...
Publication number
20130331516
Publication date
Dec 12, 2013
E I DU PONT DE NEMOURS AND COMPANY
PAUL DOUGLAS BROTHERS
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Fluoropolymer Dispersion Treatment Employing Oxidizing Agent to Red...
Publication number
20130303718
Publication date
Nov 14, 2013
E I DU PONT DE NEMOURS AND COMPANY
Paul Douglas Brothers
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
FLUOROPOLYMER DISPERSION TREATMENT EMPLOYING ULTRAVIOLET LIGHT AND...
Publication number
20130303650
Publication date
Nov 14, 2013
E I DU PONT DE NEMOURS AND COMPANY
PAUL DOUGLAS BROTHERS
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Fluoropolymer Dispersion Treatment Employing Hydrogen Peroxide to R...
Publication number
20130303710
Publication date
Nov 14, 2013
E I DU PONT DE NEMOURS AND COMPANY
Paul Douglas Brothers
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Drying Wet Fluoropolymer Resin and Exposing to Oxygen Source to Red...
Publication number
20130303716
Publication date
Nov 14, 2013
E I DU PONT DE NEMOURS AND COMPANY
Paul Douglas Brothers
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Fluoropolymer Dispersion Treatment Employing Light and Oxygen Sourc...
Publication number
20130303652
Publication date
Nov 14, 2013
E I DU PONT DE NEMOURS AND COMPANY
Paul Douglas Brothers
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Fluoropolymer Dispersion Treatment Employing Hypochlorite Salts or...
Publication number
20130303708
Publication date
Nov 14, 2013
E I DU PONT DE NEMOURS AND COMPANY
Paul Douglas Brothers
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Fluoropolymer Resin Treatment Employing Heating and Oxygen Source t...
Publication number
20130303715
Publication date
Nov 14, 2013
E I DU PONT DE NEMOURS AND COMPANY
Paul Douglas Brothers
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Fluoropolymer Dispersion Treatment Employing Oxidizing Agent to Red...
Publication number
20130303717
Publication date
Nov 14, 2013
E I DU PONT DE NEMOURS AND COMPANY
Paul Douglas Brothers
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
Employing Pretreatment and Fluorination of Fluoropolymer Resin to R...
Publication number
20130303701
Publication date
Nov 14, 2013
E I DU PONT DE NEMOURS AND COMPANY
Paul Douglas Brothers
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
Fluorination of Fluoropolymer Resin to Reduce Discoloration
Publication number
20130303707
Publication date
Nov 14, 2013
E I DU PONT DE NEMOURS AND COMPANY
Paul Douglas Brothers
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
Fluoropolymer Dispersion Treatment Employing High pH and Oxygen Sou...
Publication number
20130303709
Publication date
Nov 14, 2013
E I DU PONT DE NEMOURS AND COMPANY
Paul Douglas Brothers
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
AQUEOUS POLYMERIZATION OF FLUORINATED MONOMER USING A MIXTURE OF FL...
Publication number
20130217849
Publication date
Aug 22, 2013
E I DU PONT DE NEMOURS AND COMPANY
PAUL DOUGLAS BROTHERS
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Reducing the Telogenic Behavior of Hydrocarbon-Containing Surfactan...
Publication number
20120116015
Publication date
May 10, 2012
E.I. du Pont de Nemours and Company
Paul Douglas Brothers
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Aqueous Polymerization of Perfluoromonomer Using Hydrocarbon Surfac...
Publication number
20120116003
Publication date
May 10, 2012
E. I. du Pont de Nemours and Company
Paul Douglas Brothers
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Nucleation in Aqueous Polymerization of Fluoromonomer
Publication number
20120116017
Publication date
May 10, 2012
E.I. du Pont de Nemours and Company
Paul Douglas Brothers
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
AQUEOUS POLYMERIZATION OF FLUORINATED MONOMER USING POLYMERIZATION...
Publication number
20120077931
Publication date
Mar 29, 2012
E.I. du Pont de Nemours and Company
Paul Douglas Brothers
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...