Patents by Inventor Randall Keith Evans

Randall Keith Evans has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Polyether monoamine with 36-44 EO units and 1-6 PO units
    Patent number: 6465606
    Abstract: A polyether monoamine containing from about 36 to about 44 ethylene oxide units and from about 1 to about 6 propylene oxide units is useful as a reactant with functionalized polypropylene such as maleated polypropylene to form a reaction product blended with polypropylene.
    Type: Grant
    Filed: February 6, 2001
    Date of Patent: October 15, 2002
    Assignee: Huntsman Petrochemical Corporation
    Inventors: Randall Keith Evans, Richard J. G. Dominguez, Richard J. Clark
  • Dyeable polyolefin containing polyetheramine modified functionalized polyolefin
    Patent number: 6420482
    Abstract: This invention concerns a composition comprising a blend of polyolefin with the reaction of a functionalized polyolefin and polyetheramine in which the polyetheramine is grafted into the functionalized polyolefin in a customary mixing apparatus. A process for producing the reaction product of functionalized polypropylene and polyetheramine by melting with polypropylene in a customary mixing apparatus is also disclosed. Blends of the present invention are advantageously useful to prepare paintable automotive body parts. This invention further includes dyeable polyolefin compositions containing the reaction product of functionalized polyolefin and polyetheramine. Dyeable polyolefin fibers, including polypropylene fibers, are disclosed, which may be made by melt spinning, and which may be employed to make woven. and non-woven fabric.
    Type: Grant
    Filed: September 26, 2000
    Date of Patent: July 16, 2002
    Assignee: Huntsman Petrochemical Corporation
    Inventors: Richard Joseph Gilbert Dominguez, Christopher S. Henkee, Wheeler C. Crawford, Gerald W. Cummings, Kevin John Hess, Richard James Clark, Randall Keith Evans
  • Polyether amine modification of polypropylene
    Publication number: 20010039312
    Abstract: A compound comprising a blend of polypropylene with the reaction of a functionalized polypropylene and polyether amine in which the polyether amine is grafted into the functionalized polypropylene in a customary mixing apparatus is disclosed. The blend may include an elastomer such as EP rubber and/or a filler such as glass. A process for producing the reaction product of the functonalized polypropylene and the polyether amine by melting with polypropylene in a customary mixing apparatus is also disclosed. Blends of the present invention are advantageously useful to prepare paintable automotive body parts. A polyether monoamine that contains from about 36 to about 44 ethylene units and from about 1 to about 6 propylene units, and processes and blends using same.
    Type: Application
    Filed: February 6, 2001
    Publication date: November 8, 2001
    Applicant: Huntsman Petrochemical Corporation, Inc.
    Inventors: Randall Keith Evans, Richard J.G. Dominguez, Richard J. Clark
  • Polyether amine modification of polypropylene
    Patent number: 6306964
    Abstract: A compound comprising a blend of polypropylene with the reaction of a functionalized polypropylene and polyether amine in which the polyetheramine is grafted into the functionalized polypropylene in a customary mixing apparatus is disclosed. The blend may include an elastomer such as EP rubber and/or a filler such as glass. A process for producing the reaction product of the functionalized polypropylene and the polyether amine by melting with polypropylene in a customary mixing apparatus is also disclosed. Blends of the present invention are advantageously useful to prepare paintable automotive body parts.
    Type: Grant
    Filed: August 3, 1999
    Date of Patent: October 23, 2001
    Assignee: Huntsman Petrochemical Corporation
    Inventors: Randall Keith Evans, Richard J. G. Dominguez, Richard J. Clark
  • Polyether amine modification of polypropylene
    Patent number: 6214914
    Abstract: A compound comprising a blend of polypropylene with the reaction of a functionalized polypropylene and polyether amine in which the polyether amine is grafted into the functionalized polypropylene in a customary mixing apparatus is disclosed. The blend may include an elastomer such as EP rubber and/or a filler such as glass. A process for producing the reaction product of the functonalized polypropylene and the polyether amine by melting with polypropylene in a customary mixing apparatus is also disclosed. Blends of the present invention are advantageously useful to prepare paintable automotive body parts. A polyether monoamine that contains from about 36 to about 44 ethylene units and from about 1 to about 6 propylene units, and processes and blends using same.
    Type: Grant
    Filed: August 3, 1999
    Date of Patent: April 10, 2001
    Assignee: Huntsman Petrochemical Corporation
    Inventors: Randall Keith Evans, Richard J. G. Dominguez, Richard J. Clark
  • Polyether amine modification of polypropylene
    Patent number: 6140416
    Abstract: A compound comprising a blend of polypropylene with the reaction of a functionalized polypropylene and polyether amine in which the polyetheramine is grafted into the functionalized polypropylene in a customary mixing apparatus is disclosed. The blend may include an elastomer such as EP rubber and/or a filler such as glass. A process for producing the reaction product of the functionalized polypropylene and the polyether amine by melting with polypropylene in a customary mixing apparatus is also disclosed. Blends of the present invention are advantageously useful to prepare paintable automotive body parts.
    Type: Grant
    Filed: August 3, 1999
    Date of Patent: October 31, 2000
    Assignee: Huntsman Petrochemical Corporation
    Inventors: Randall Keith Evans, Richard J. G. Dominguez, Richard J. Clark
  • Dyeable polyolefin containing polyetheramine modified functionalized polyolefin
    Patent number: 6127480
    Abstract: This invention concerns a composition comprising a blend of polyolefin with the reaction of a functionalized polyolefin and polyetheramine in which the polyetheramine is grafted into the functionalized polyolefin in a customary mixing apparatus. A process for producing the reaction product of functionalized polypropylene and polyetheramine by melting with polypropylene in a customary mixing apparatus is also disclosed. Blends of the present invention are advantageously useful to prepare paintable automotive body parts. This invention further includes dyeable polyolefin compositions containing the reaction product of functionalized polyolefin and polyetheramine. Dyeable polyolefin fibers, including polypropylene fibers, are disclosed, which may be made by melt spinning, and which may be employed to make woven and non-woven fabric.
    Type: Grant
    Filed: October 19, 1999
    Date of Patent: October 3, 2000
    Assignee: Huntsman Petrochemical Corporation
    Inventors: Richard Joseph Gilbert Dominguez, Christopher S. Henkee, Wheeler C. Crawford, Gerald W. Cummings, Kevin John Hess, Richard James Clark, Randall Keith Evans
  • Polyether amine modification of polyproplene
    Patent number: 6093773
    Abstract: A compound comprising a blend of polypropylene with the reaction product of a functionalized polypropylene and polyether amine in which the polyether amine is grafted onto the functionalized polypropylene in a customary mixing apparatus is disclosed. A process for producing the reaction product of the functionalized polypropylene and the polyether amine by melting with polypropylene in a customary mixing apparatus is also disclosed.
    Type: Grant
    Filed: August 3, 1999
    Date of Patent: July 25, 2000
    Assignee: Huntsman Petrochemical Corporation
    Inventors: Randall Keith Evans, Richard Joseph Gilbert Dominguez, Richard James Clark
  • Polyether amine modification of polypropylene
    Patent number: 6031048
    Abstract: A compound comprising a blend of polypropylene with the reaction of a functionalized polypropylene and polyether amine in which the polyetheramine is grafted into the functionalized polypropylene in a customary mixing apparatus is disclosed. The blend may include an elastomer such as EP rubber and/or a filler such as glass. A process for producing the reaction product of the functionalized polypropylene and the polyether amine by melting with polypropylene in a customary mixing apparatus is also disclosed. Blends of the present invention are advantageously useful to prepare paintable automotive body parts.
    Type: Grant
    Filed: July 12, 1996
    Date of Patent: February 29, 2000
    Assignee: Huntsman Petrochemical Corporation
    Inventors: Randall Keith Evans, Richard J.G. Dominguez, Richard J. Clark
  • Dyeable polyolefin containing polyetheramine modified functionalized polyolefin
    Patent number: 5985999
    Abstract: This invention concerns a composition comprising a blend of polyolefin with the reaction of a functionalized polyolefin and polyetheramine in which the polyetheramine is grafted into the functionalized polyolefin in a customary mixing apparatus. A process for producing the reaction product of functionalized polypropylene and polyetheramine by melting with polypropylene in a customary mixing apparatus is also disclosed. Blends of the present invention are advantageously useful to prepare paintable automotive body parts. This invention further includes dyeable polyolefin compositions containing the reaction product of functionalized polyolefin and polyetheramine. Dyeable polyolefin fibers, including polypropylene fibers, are disclosed, which may be made by melt spinning, and which may be employed to make woven and non-woven fabric.
    Type: Grant
    Filed: April 23, 1997
    Date of Patent: November 16, 1999
    Assignee: Huntsman, Petrochemical Corporation
    Inventors: Richard Joseph Gilbert Dominguez, Christopher S. Henkee, Wheeler C. Crawford, Gerald W. Cummings, Kevin John Hess, Richard James Clark, Randall Keith Evans
  • Polyether amine modification of polypropylene
    Patent number: 5965667
    Abstract: A compound comprising a blend of polypropylene with the reaction of a functionalized polypropylene and polyether amine in which the polyetheramine is grafted into the functionalized polypropylene in a customary mixing apparatus is disclosed. The blend may include an elastomer such as EP rubber and/or a filler such as glass. A process for producing the reaction product of the functionalized polypropylene and the polyether amine by melting with polypropylene in a customary mixing apparatus is also disclosed. Blends of the present invention are advantageously useful to prepare paintable automotive body parts.
    Type: Grant
    Filed: November 3, 1997
    Date of Patent: October 12, 1999
    Assignee: Huntsman Petrochemical Corporation
    Inventors: Randall Keith Evans, Richard J. G. Dominguez, Richard J. Clark
  • Polyether amine modification of polypropylene
    Patent number: 5959032
    Abstract: A compound comprising a blend of polypropylene with the reaction of a functionalized polypropylene and polyether amine in which the polyether amine is grafted into the functionalized polypropylene in a customary mixing apparatus is disclosed. The blend may include an elastomer such as EP rubber and/or a filler such as glass. A process for producing the reaction product of the functionalized polypropylene and the polyether amine by melting with polypropylene in a customary mixing apparatus is also disclosed. Blends of the present invention are advantageously useful to prepare paintable automotive body parts. A polyether monoamine that contains from about 36 to about 44 ethylene units and from about 1 to about 6 propylene units, and processes and blends using same.
    Type: Grant
    Filed: July 8, 1996
    Date of Patent: September 28, 1999
    Assignee: Huntsman Petrochemical Corporation
    Inventors: Randall Keith Evans, Richard J. G. Dominguez, Richard J. Clark
  • Polyether amine modification of polypropylene
    Patent number: 5942576
    Abstract: A compound comprising a blend of polypropylene with the reaction product of a functionalized polypropylene and polyether amine in which the polyether amine is grafted onto the functionalized polypropylene in a customary mixing apparatus is disclosed. A process for producing the reaction product of the functionalized polypropylene and the polyether amine by melting with polypropylene in a customary mixing apparatus is also disclosed.
    Type: Grant
    Filed: November 3, 1997
    Date of Patent: August 24, 1999
    Assignee: Huntsman Petrochemical Corporation
    Inventors: Randall Keith Evans, Richard Joseph Gilbert Dominguez, Richard James Clark
  • Polyether amine modification of polypropylene
    Patent number: 5783630
    Abstract: A compound comprising a blend of polypropylene with the reaction of a functionalized polypropylene and polyether amine in which the polyetheramine is grafted into the functionalized polypropylene in a customary mixing apparatus is disclosed. The blend may include an elastomer such as EP rubber and/or a filler such as glass. A process for producing the reaction product of the functionalized polypropylene and the polyether amine by melting with polypropylene in a customary mixing apparatus is also disclosed. Blends of the present invention are advantageously useful to prepare paintable automotive body parts.
    Type: Grant
    Filed: July 7, 1995
    Date of Patent: July 21, 1998
    Assignee: Huntsman Petrochemical Corporation
    Inventors: Randall Keith Evans, Richard J. G. Dominguez, Richard J. Clark
  • Polyether amine modification of polypropylene
    Patent number: 5721315
    Abstract: A compound comprising a blend of polypropylene with the reaction product of a functionalized polypropylene and polyether amine in which the polyether amine is grafted onto the functionalized polypropylene in a customary mixing apparatus is disclosed. A process for producing the reaction product of the functionalized polypropylene and the polyether amine by melting with polypropylene in a customary mixing apparatus is also disclosed.
    Type: Grant
    Filed: August 16, 1995
    Date of Patent: February 24, 1998
    Assignee: Huntsman Petrochemical Corporation
    Inventors: Randall Keith Evans, Richard Joseph Gilbert Dominguez, Richard James Clark