Patents by Inventor Olaf Norbert Kirchner

Olaf Norbert Kirchner 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).

  • Publication number: 20100237293
    Abstract: The present invention relates to encapsulated electrical/electronic devices and the use of polyamide compositions comprising at least one semi-aromatic polyamide and at least one aliphatic semi-aromatic polyamide, in particular, for encapsulating electrical/electronic devices.
    Type: Application
    Filed: May 28, 2010
    Publication date: September 23, 2010
    Applicant: E. I. DU PONT DE NEMOURS AND COMPANY
    Inventor: Olaf Norbert Kirchner
  • Patent number: 7578950
    Abstract: A liquid crystal polymer composition comprising specified amounts of unsized glass filler and a liquid crystalline polymer having a melting point of about 280° C. or more has improved high temperature stability compared with similar compositions containing sized glass fillers. The compositions are particularly useful where the composition is exposed for long time periods to high temperatures, such as parts in electrical and electronic apparatus, and cookware.
    Type: Grant
    Filed: June 24, 2004
    Date of Patent: August 25, 2009
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Olaf Norbert Kirchner, Marion Glen Waggoner
  • Publication number: 20090127740
    Abstract: The present invention relates to the use of polyamide compositions comprising at least one semi-aromatic polyamide and at least one aliphatic semi-aromatic polyamide for making molded articles made of at least two moulded parts adhered to each other having improved adhesion.
    Type: Application
    Filed: November 18, 2008
    Publication date: May 21, 2009
    Inventor: Olaf Norbert Kirchner
  • Patent number: 7166224
    Abstract: The present invention relates to the use of a hydrophilic membrane to provide by the process of pervaporation through the membrane water suitable for agricultural irrigation, industrial use, hydrating or rehydrating of food or agricultural or pharmaceutical compositions. The present invention also relates to a water purification apparatus which includes the hydrophilic membrane, comprising one or more layers of hydrophilic polymers, to purify water which may contain suspended or dissolved impurities and solids, including but not limited to seawater, brackish water and other kinds of polluted water.
    Type: Grant
    Filed: November 21, 2003
    Date of Patent: January 23, 2007
    Assignee: Design Technology and Innovation Limited
    Inventors: Mark Christopher Tonkin, Mark Andrew Young, Olaf Norbert Kirchner
  • Patent number: 7026412
    Abstract: A process for forming molded articles, partcularly for forming by blow molding, by providing and forming articles from compositions made from blends containing (A) two copolyether ester elastomers that include acid end-groups, (B) an ethylene copolymer that includes at least one unsaturated epoxide group and acrylate and/or (meth) acrylate groups, at least one of (C) or (D) wherein (C) is an ethylene copolymer having acrylate and/or methacrylate groups and at least one anhydride of an unsaturated carboxylic acid and (D) is a rubbery polymer that can be finely dispersed and (E) a calcium compound capable of reacting with the acid end-groups of (A), preferably calcium oxide or calcium hydroxide.
    Type: Grant
    Filed: October 10, 2003
    Date of Patent: April 11, 2006
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Jean-Michel Philippoz, Olaf Norbert Kirchner, Kathy Lynn Fortmann
  • Patent number: 6887385
    Abstract: The present invention relates to the use of a hydrophilic membrane to provide by the process of pervaporation through the membrane water suitable for agricultural irrigation, industrial use, hydrating or rehydrating of food or agricultural or pharmaceutical compositions. The present invention also relates to a water purification apparatus which includes the hydrophilic membrane, comprising one or more layers of hydrophilic polymers, to purify water which may contain suspended or dissolved impurities and solids, including but not limited to seawater, brackish water and other kinds of polluted water.
    Type: Grant
    Filed: November 21, 2003
    Date of Patent: May 3, 2005
    Assignees: E. I. du Pont de Nemours and Company, Design Technology and Irrigation
    Inventors: Mark Christopher Tonkin, Mark Andrew Young, Olaf Norbert Kirchner
  • Publication number: 20040235998
    Abstract: A black colored liquid crystalline polymer composition comprising specified amounts of carbon black, another black pigment, a filler having nanometer sized particles, and optionally other ingredients has a relatively high comparative tracking index (resistance to higher voltages), and is useful in electrical and electronic apparatuses where such voltages are present.
    Type: Application
    Filed: April 30, 2004
    Publication date: November 25, 2004
    Inventor: Olaf Norbert Kirchner
  • Patent number: 6793824
    Abstract: The present invention relates to the use of a hydrophilic membrane to provide by the process of pervaporation through the membrane water suitable for agricultural irrigation, industrial use, hydrating or rehydrating of food or agricultural or pharmaceutical compositions. The present invention also relates to a water purification apparatus which includes the hydrophilic membrane, comprising one or more layers of hydrophilic polymers, to purify water which may contain suspended or dissolved impurities and solids, including but not limited to seawater, brackish water and other kinds of polluted water.
    Type: Grant
    Filed: June 11, 2001
    Date of Patent: September 21, 2004
    Assignees: E. I. du Pont de Nemours and Company, Design Technology and Innovation
    Inventors: Mark Christopher Tonkin, Mark Andrew Young, Olaf Norbert Kirchner
  • Publication number: 20040124145
    Abstract: The present invention relates to the use of a hydrophilic membrane to provide by the process of pervaporation through the membrane water suitable for agricultural irrigation, industrial use, hydrating or rehydrating of food or agricultural or pharmaceutical compositions. The present invention also relates to a water purification apparatus which includes the hydrophilic membrane, comprising one or more layers of hydrophilic polymers, to purify water which may contain suspended or dissolved impurities and solids, including but not limited to seawater, brackish water and other kinds of polluted water.
    Type: Application
    Filed: November 21, 2003
    Publication date: July 1, 2004
    Inventors: Mark Christopher Tonkin, Mark Andrew Young, Olaf Norbert Kirchner
  • Publication number: 20040099601
    Abstract: The present invention relates to the use of a hydrophilic membrane to provide by the process of pervaporation through the membrane water suitable for agricultural irrigation, industrial use, hydrating or rehydrating of food or agricultural or pharmaceutical compositions. The present invention also relates to a water purification apparatus which includes the hydrophilic membrane, comprising one or more layers of hydrophilic polymers, to purify water which may contain suspended or dissolved impurities and solids, including but not limited to seawater, brackish water and other kinds of polluted water.
    Type: Application
    Filed: November 21, 2003
    Publication date: May 27, 2004
    Inventors: Mark Christopher Tonkin, Mark Andrew Young, Olaf Norbert Kirchner
  • Patent number: 6727324
    Abstract: Compositions that are particularly well-suited for blow molding are made from blends containing (A) two copolyether ester elastomers that include acid end-groups, (B) an ethylene copolymer that includes at least one unsaturated epoxide group and acrylate and/or (meth)acrylate groups, at least one of (C) or (D) wherein (C) is an ethylene copolymer having acrylate and/or methacrylate groups and at least one anhydride of an unsaturated carboxylic acid and (D) is a rubbery polymer that can be finely dispersed and (E) a calcium compound capable of reacting with the acid end-groups of (A), preferably calcium oxide or calcium hydroxide.
    Type: Grant
    Filed: July 18, 2002
    Date of Patent: April 27, 2004
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Jean-Michel Philippoz, Olaf Norbert Kirchner, Kathy Lynn Fortmann
  • Publication number: 20040077772
    Abstract: Blow moldable resin compositions based on polyether ester elastomers or block copolymers n which rubber like polyether soft segments and plastic like hard segments are alternately linked to one another.
    Type: Application
    Filed: October 10, 2003
    Publication date: April 22, 2004
    Inventors: Jean-Michel Philippoz, Olaf Norbert Kirchner, Kathy Lynn Fortmann
  • Patent number: 6615537
    Abstract: A method of modifying the growth of plant roots is provided in which the roots are grown in proximity to a membrane from which water is released during the growth of the roots, wherein the membrane is a hydrophobic porous membrane or a hydrophilic non-porous membrane. The method may also be used to collect materials exuded from plant roots by growing the plant roots in a growing medium that is surrounded by a membrane such that moisture is released into the growing medium from the membrane whilst materials exuded from the plant roots are retained within the growing medium by the membrane, wherein the membrane is a hydrophobic porous membrane or a hydrophilic non-porous membrane.
    Type: Grant
    Filed: August 1, 2002
    Date of Patent: September 9, 2003
    Assignees: E. I. du Pont de Nemours and Company, Design Technology and Innovation
    Inventors: Mark Christopher Tonkin, Mark Andrew Young, Olaf Norbert Kirchner
  • Publication number: 20030019153
    Abstract: A method of modifying the growth of plant roots is provided in which the roots are grown in proximity to a membrane from which water is released during the growth of the roots, wherein the membrane is a hydrophobic porous membrane or a hydrophilic non-porous membrane. The method may also be used to collect materials exuded from plant roots by growing the plant roots in a growing medium that is surrounded by a membrane such that moisture is released into the growing medium from the membrane whilst materials exuded from the plant roots are retained within the growing medium by the membrane, wherein the membrane is a hydrophobic porous membrane or a hydrophilic non-porous membrane.
    Type: Application
    Filed: August 1, 2002
    Publication date: January 30, 2003
    Inventors: Mark Christopher Tonkin, Mark Andrew Young, Olaf Norbert Kirchner
  • Publication number: 20030008141
    Abstract: Blow-moldable resin compositions based on polyether ester elastomers or block copolymers n which rubber-like polyether soft segments and plastic-like hard segments are alternately linked to one another.
    Type: Application
    Filed: July 18, 2002
    Publication date: January 9, 2003
    Inventors: Jean-Michel Philippoz, Olaf Norbert Kirchner, Kathy Lynn Fortmann
  • Patent number: 6484439
    Abstract: An irrigation device is provided, the device comprising a container for water consisting of a plurality of surfaces, each surface substantially being either a hydrophilic membrane or impervious to water in all forms, and wherein at least one of the surfaces is substantially a hydrophilic membrane and at least one of the surfaces is substantially impervious to water in all forms.
    Type: Grant
    Filed: August 6, 1999
    Date of Patent: November 26, 2002
    Assignees: E.I. du Pont de Nemours and Company, Design Technology & Innovations LTD
    Inventors: Mark Christopher Tonkin, Mark Andrew Young, Olaf Norbert Kirchner, Charles William Cahill
  • Patent number: 6453610
    Abstract: A method of modifying the growth of plant roots is provided in which the roots are grown in proximity to a membrane from which water is released during the growth of the roots, wherein the membrane is a hydrophobic porous membrane or a hydrophilic non-porous membrane. The method may also be used to collect materials exuded from plant roots by growing the plant roots in a growing medium that is surrounded by a membrane so that moisture is released into the growing medium from the membrane while materials exuded from the plant roots are retained within the growing medium by the membrane, wherein the membrane is a hydrophobic porous membrane or a hydrophilic non-porous membrane.
    Type: Grant
    Filed: August 6, 1999
    Date of Patent: September 24, 2002
    Assignees: E. I. du Pont de Nemours and Company, Design Technology & Innovation
    Inventors: Mark Christopher Tonkin, Mark Andrew Young, Olaf Norbert Kirchner, Charles William Cahill
  • Publication number: 20020130078
    Abstract: The present invention relates to the use of a hydrophilic membrane to provide by the process of pervaporation through the membrane water suitable for agricultural irrigation, industrial use, hydrating or rehydrating of food or agricultural or pharmaceutical compositions. The present invention also relates to a water purification apparatus which includes the hydrophilic membrane, comprising one or more layers of hydrophilic polymers, to purify water which may contain suspended or dissolved impurities and solids, including but not limited to seawater, brackish water and other kinds of polluted water.
    Type: Application
    Filed: June 11, 2001
    Publication date: September 19, 2002
    Inventors: Mark Christopher Tonkin, Mark Andrew Young, Olaf Norbert Kirchner
  • Publication number: 20020007588
    Abstract: A method of modifying the growth of plant roots is provided in which the roots are grown in proximity to a membrane from which water is released during the growth of the roots, wherein the membrane is a hydrophobic porous membrane or a hydrophilic non-porous membrane. The method may also be used to collect materials exuded from plant roots by growing the plant roots in a growing medium that is surrounded by a membrane such that moisture is released into the growing medium from the membrane whilst materials exuded from the plant roots are retained within the growing medium by the membrane, wherein the membrane is a hydrophobic porous membrane or a hydrophilic non-porous membrane.
    Type: Application
    Filed: August 6, 1999
    Publication date: January 24, 2002
    Inventors: MARK CHISTOPHER TONKIN, MARK ANDREW YOUNG, OLAF NORBERT KIRCHNER, CHARLES WILLIAM CAHILL