TREA

Donnan E. Priester

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  • Greenville, DE, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Process aid for melt processible polymers
    • Patent number 6,048,939
    • Issue date Apr 11, 2000
    • DuPont Dow Elastomers, L.L.C.
    • Donnan Edwin Priester
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • 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

    Processing aid system for polyolefins
    • Patent number 5,587,429
    • Issue date Dec 24, 1996
    • E. I. DuPont de Nemours and Company
    • Donnan E. Priester
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • 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

    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

    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

    Process and processing aid for extruding a hydrocarbon polymer
    • Patent number 5,106,911
    • Issue date Apr 21, 1992
    • E. I. Du Pont de Nemours and Company
    • George R. Chapman
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Process for melt extrusion of polymers
    • Patent number 5,089,200
    • Issue date Feb 18, 1992
    • E. I. DuPont de Nemours and Company
    • George R. Chapman
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Extrusion process for difficultly-melt-processible polymers
    • Patent number 5,064,594
    • Issue date Nov 12, 1991
    • E. I. Du Pont de Nemours and Company
    • Donnan E. Priester
    • 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

    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

    High melt viscosity fluoropolymer process aid
    • Patent number 5,010,130
    • Issue date Apr 23, 1991
    • E. I. Du Pont de Nemours and Company
    • George R. Chapman
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Processing aid for polymers
    • Patent number 4,904,735
    • Issue date Feb 27, 1990
    • E. I. Du Pont de Nemours and Company
    • George R. Chapman
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...