Charles W. Stewart

Person

People

Patents Grantslast 30 patents

Information Patent Grant
In situ fluoropolymer polymerization into porous substrates
- Patent number 6,916,549
- Issue date Jul 12, 2005
- E. I. Du Pont de Nemours and Company
- John Russell Crompton, Jr.
- C14 - SKINS HIDES PELTS LEATHER
Information Patent Grant
Amorphous tetrafluoroethylene-hexafluoropropylene copolymers
- Patent number 6,486,280
- Issue date Nov 26, 2002
- E. I. Du Pont de Nemours and Company
- Colin Anolick
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Copolymers of maleic anhydride or acid and fluorinated oleffins
- Patent number 6,423,798
- Issue date Jul 23, 2002
- E. I. Du Pont de Nemours and Company
- Robert Clayton Wheland
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Copolymers of maleic anhydride or acid and fluorinated olefins
- Patent number 6,228,963
- Issue date May 8, 2001
- E. I. Du Pont de Nemours and Company
- Robert Clayton Wheland
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Amorphous tetrafluoroethylene-hexafluoropropylene copolymers
- Patent number 6,133,389
- Issue date Oct 17, 2000
- E. I. Du Pont de Nemours and Company
- Colin Anolick
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Thermoplastic fluoropolymer containing elastomer and production pro...
- Patent number 6,124,403
- Issue date Sep 26, 2000
- E. I. Du Pont de Nemours and Company
- John Russell Crompton
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Extrusion foaming of fluoropolymers
- Patent number 5,821,273
- Issue date Oct 13, 1998
- E. I. Du Pont de Nemours and Company
- Sundar Kilnagar Venkataraman
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Fluoropolymer nanocomposites
- Patent number 5,726,247
- Issue date Mar 10, 1998
- E. I. Du Pont de Nemours and Company
- Michael Joseph Michalczyk
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Processing aid system for polyolefins
- Patent number 5,707,569
- Issue date Jan 13, 1998
- E. I. Du Pont de Nemours and Company
- Donnan Edwin Priester
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Amorphous tetrafluoroethylene-hexafluoropropylene copolymers
- Patent number 5,637,663
- Issue date Jun 10, 1997
- E. I. Du Pont de Nemours and Company
- Colin Anolick
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Low melting tetrafluoroethylene copolymer and its uses
- Patent number 5,547,761
- Issue date Aug 20, 1996
- E. I. Du Pont de Nemours and Company
- George R. Chapman
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Amorphous tetrafluoroethylene/hexafluoropropylene copolymers
- Patent number 5,478,905
- Issue date Dec 26, 1995
- E. I. Du Pont de Nemours and Company
- Colin Anolick
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Low-melting tetrafluoroethylene copolymer and its uses
- Patent number 5,464,904
- Issue date Nov 7, 1995
- E. I. Du Pont de Nemours and Company
- George R. Chapman
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Plasticized fluoropolymers
- Patent number 5,356,986
- Issue date Oct 18, 1994
- E. I. Du Pont de Nemours and Company
- Charles W. Stewart
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Low-melting tetrafluorethylene copolymer and its uses
- Patent number 5,266,639
- Issue date Nov 30, 1993
- E. I. Du Pont de Nemours and Company
- George R. Chapman
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Preparing shaped structure of polyarylate copolymers having high te...
- Patent number 5,185,116
- Issue date Feb 9, 1993
- E. I. Du Pont de Nemours and Company
- Charles W. Stewart
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Fluoropolymer process aids containing functional groups
- Patent number 5,132,368
- Issue date Jul 21, 1992
- E. I. Du Pont de Nemours and Company
- George R. Chapman
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Shaped structure of polyarylate copolymers having high tensile elon...
- Patent number 5,064,704
- Issue date Nov 12, 1991
- E. I. Du Pont de Nemours and Company
- Charles W. Stewart
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Processing aid for polymers
- Patent number 5,057,575
- Issue date Oct 15, 1991
- E. I. Du Pont de Nemours and Company
- George R. Chapman
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Melt processable TFE copolymers with improved processability
- Patent number 5,051,479
- Issue date Sep 24, 1991
- E. I. Du Pont de Nemours and Company
- Anestis L. Logothetis
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Processing aid for polymers
- Patent number 5,013,792
- Issue date May 7, 1991
- E. I. Du Pont de Nemours and Company
- George R. Chapman
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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
Modified polytetrafluoroethylene resins and blends thereof
- Patent number 4,952,630
- Issue date Aug 28, 1990
- E. I. Du Pont de Nemours and Company
- Richard A. Morgan
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Modified polytetrafluoroethylene resins and blends thereof
- Patent number 4,952,636
- Issue date Aug 28, 1990
- E. I. Du Pont de Nemours and Company
- Richard A. Morgan
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Curable blends of fluoroelastomer and poly(ether-ketone-ketone)
- Patent number 4,912,166
- Issue date Mar 27, 1990
- E. I. Du Pont de Nemours and Company
- Charles W. Stewart
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Modified polytetrafluoroethylene resins and blends thereof
- Patent number 4,904,726
- Issue date Feb 27, 1990
- E. I. DuPont DeNemours & Company
- Richard A. Morgan
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Fire resistant polymers containing magnesium oxychloride
- Patent number 4,772,654
- Issue date Sep 20, 1988
- E. I. Du Pont de Nemours and Company
- Charles W. Stewart
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Blends of fluoroplastics and fluoroelastomers
- Patent number 4,713,418
- Issue date Dec 15, 1987
- E. I. Du Pont de Nemours and Company
- Anestis L. Logothetis
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Elastomeric compositions
- Patent number 4,596,855
- Issue date Jun 24, 1986
- E. I. Du Pont de Nemours and Company
- Charles W. Stewart
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Elastomeric compositions containing treated PTFE
- Patent number 4,507,439
- Issue date Mar 26, 1985
- E. I. Du Pont de Nemours and Company
- Charles W. Stewart
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
Low-temperature-decomposable engineering plastic resin composition...
- Publication number 20040242771
- Publication date Dec 2, 2004
- Katsuyoshi Kubo
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Resin composition and process for producing molding
- Publication number 20040102572
- Publication date May 27, 2004
- Katsuyoshi Kubo
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
In situ fluoropolymer polymerization into porous substrates
- Publication number 20030162030
- Publication date Aug 28, 2003
- John Russell Crompton
- C14 - SKINS HIDES PELTS LEATHER
Information Patent Application
Extrusion aid combination
- Publication number 20030144370
- Publication date Jul 31, 2003
- Charles W. Stewart
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Resin composition and method of producing shaped articles
- Publication number 20030109646
- Publication date Jun 12, 2003
- DAIKIN INSTITUTE OF ADVANCED CHEMISTRY AND TECHNOLOGY
- Katsuyoshi Kubo
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Extrusion aid combination
- Publication number 20010048179
- Publication date Dec 6, 2001
- Charles W. Stewart
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Copolymers of maleic anhydride or acid and fluorinated oleffins
- Publication number 20010012880
- Publication date Aug 9, 2001
- Robert C. Wheland
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Charles W. Stewart

Person

Patents Grantslast 30 patents

In situ fluoropolymer polymerization into porous substrates

Amorphous tetrafluoroethylene-hexafluoropropylene copolymers

Copolymers of maleic anhydride or acid and fluorinated oleffins

Copolymers of maleic anhydride or acid and fluorinated olefins

Amorphous tetrafluoroethylene-hexafluoropropylene copolymers

Thermoplastic fluoropolymer containing elastomer and production pro...

Extrusion foaming of fluoropolymers

Fluoropolymer nanocomposites

Processing aid system for polyolefins

Amorphous tetrafluoroethylene-hexafluoropropylene copolymers

Low melting tetrafluoroethylene copolymer and its uses

Amorphous tetrafluoroethylene/hexafluoropropylene copolymers

Low-melting tetrafluoroethylene copolymer and its uses

Plasticized fluoropolymers

Low-melting tetrafluorethylene copolymer and its uses

Preparing shaped structure of polyarylate copolymers having high te...

Fluoropolymer process aids containing functional groups

Shaped structure of polyarylate copolymers having high tensile elon...

Processing aid for polymers

Melt processable TFE copolymers with improved processability

Processing aid for polymers

Low smoke and flame-resistant composition

Modified polytetrafluoroethylene resins and blends thereof

Modified polytetrafluoroethylene resins and blends thereof

Curable blends of fluoroelastomer and poly(ether-ketone-ketone)

Modified polytetrafluoroethylene resins and blends thereof

Fire resistant polymers containing magnesium oxychloride

Blends of fluoroplastics and fluoroelastomers

Elastomeric compositions

Elastomeric compositions containing treated PTFE

Patents Applicationslast 30 patents

Low-temperature-decomposable engineering plastic resin composition...

Resin composition and process for producing molding

In situ fluoropolymer polymerization into porous substrates

Extrusion aid combination

Resin composition and method of producing shaped articles

Extrusion aid combination

Copolymers of maleic anhydride or acid and fluorinated oleffins