Patents by Inventor Detlef Schramm

Detlef Schramm 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).

  • Patent number: 10100170
    Abstract: A composition comprising: (a) a thermoplastic polymer; (b) a plurality of particles, each said particle having core-shell structure and comprising, (i) a core comprising one or more magnetic materials and (ii) a shell comprising silicon dioxide; wherein the composition comprises particles (b) in an amount from 2 to 15 wt % is provided. Further provided is a connector comprising the composition, a system comprising the connector and a process for improving bonding between two or more means for conveying fluids.
    Type: Grant
    Filed: September 20, 2013
    Date of Patent: October 16, 2018
    Assignee: Dow Global Technologies LLC
    Inventors: Detlef Schramm, Rudolf J. Koopmans, Luis G. Zalemea Bustillo
  • Publication number: 20150368427
    Abstract: A composition comprising: (a) a thermoplastic polymer; (b) a plurality of particles, each said particle having core-shell structure and comprising, (i) a core comprising one or more magnetic materials and (ii) a shell comprising silicon dioxide; wherein the composition comprises particles (b) in an amount from 2 to 15 wt % is provided. Further provided is a connector comprising the composition, a system comprising the connector and a process for improving bonding between two or more means for conveying fluids.
    Type: Application
    Filed: September 20, 2013
    Publication date: December 24, 2015
    Applicant: Dow Global Technologies LLC
    Inventors: Detlef Schramm, Rudolf J. Koopmans, Luis G. Zalemea Bustillo
  • Patent number: 8163226
    Abstract: Stabilized polyethylene materials which offer an advantageously balanced combination of thermal, mechanical and processing properties, and which maintain their physical properties in chlorinated water environments are disclosed. The materials include an antioxidant system with components to provide extraction resistance in hot water environments and additionally provides oxidation resistance to both chlorine in the water interior of the pipe and oxygen in contact with the pipe's exterior.
    Type: Grant
    Filed: May 26, 2010
    Date of Patent: April 24, 2012
    Assignee: Dow Global Technologies LLC
    Inventors: Thoi H. Ho, Detlef Schramm, Pak-Meng Cham, Kalyan Sehanobish
  • Patent number: 8101687
    Abstract: The present invention relates to a polyethylene resin having a multimodal molecular weight distribution, said resin being further characterized in that it has a density in the range of from about 0.925 g/ccm to about 0.950 g/ccm, a melt index (I2) In the range of from about 0.05 g/10 min to about 5 g/10 min, and in that it comprises at least one high molecular weight (HMW) ethylene interpolymer and at least a low molecular weight (LMW) ethylene polymer, and a composition comprising such resin. Also provided is a shaped article comprising said resin or composition, in particular a pipe.
    Type: Grant
    Filed: December 6, 2006
    Date of Patent: January 24, 2012
    Assignee: Dow Global Technologies LLC
    Inventors: Detlef Schramm, Wolfgang Quack, Julien Damen, Pak-Meng Cham
  • Publication number: 20100233403
    Abstract: Stabilized polyethylene materials which offer an advantageously balanced combination of thermal, mechanical and processing properties, and which maintain their physical properties in chlorinated water environments are disclosed. The materials include an antioxidant system with components to provide extraction resistance in hot water environments and additionally provides oxidation resistance to both chlorine in the water interior of the pipe and oxygen in contact with the pipe's exterior.
    Type: Application
    Filed: May 26, 2010
    Publication date: September 16, 2010
    Applicant: Dow Global Technologies Inc.
    Inventors: Thoi H. Ho, Detlef Schramm, Pak-Meng Cham, Kalyan Sehanobish
  • Patent number: 7744972
    Abstract: Stabilized polyethylene materials which offer an advantageously balanced combination of thermal, mechanical and processing properties, and which maintain their physical properties in chlorinated water environments are disclosed. The materials include an antioxidant system with components to provide extraction resistance in hot water environments and additionally provides oxidation resistance to both chlorine in the water interior of the pipe and oxygen in contact with the pipe's exterior.
    Type: Grant
    Filed: December 3, 2004
    Date of Patent: June 29, 2010
    Assignee: Dow Global Technologies Inc.
    Inventors: Thoi H. Ho, Detlef Schramm, Pak-Meng Cham, Kalyan Sehanobish
  • Publication number: 20100130692
    Abstract: The invention provides a composition, comprising at least one high molecular weight ethylene-based interpolymer, and at least one low molecular weight ethylene-based interpolymer, and where the high molecular weight ethylene-based interpolymer has a density less than, or equal to, 0.960 g/cc, and a melt index (I5) less than, or equal to, 1.0 g/10 min; and where the low molecular weight ethylene-based interpolymer has a density less than, or equal to, 0.915 g/cc, and a melt index (I2) greater than, or equal to, 0.4 g/10 min.
    Type: Application
    Filed: May 7, 2008
    Publication date: May 27, 2010
    Inventors: Pak-Meng Cham, Detlef Schramm, Patrik J.C Schouterden
  • Patent number: 7250473
    Abstract: The present invention relates to a polyethylene resin having a multimodal molecular weight distribution, said resin being further characterized in that it has a density in the range of from about 0.925 g/ccm to about 0.950 g/ccm, a melt index (I2) in the range of from about 0.05 g/10 min to about 5 g/10 min, and in that it comprises at least one high molecular weight (HMW) ethylene interpolymer and at least a low molecular weight (LMW) ethylene polymer, and a composition comprising such resin. Also provided is a shaped article comprising said resin or composition, in particular a pipe.
    Type: Grant
    Filed: August 28, 2002
    Date of Patent: July 31, 2007
    Assignee: Dow Global Technologies, Inc.
    Inventors: Detlef Schramm, Wolfgang Quack, Julien Damen, Pak-Meng Cham
  • Publication number: 20070112160
    Abstract: The present invention relates to a polyethylene resin having a multimodal molecular weight distribution, said resin being further characterized in that it has a density in the range of from about 0.925 g/ccm to about 0.950 g/ccm, a melt index (I2) In the range of from about 0.05 g/10 min to about 5 g/10 min, and in that it comprises at least one high molecular weight (HMW) ethylene interpolymer and at least a low molecular weight (LMW) ethylene polymer, and a composition comprising such resin. Also provided is a shaped article comprising said resin or composition, in particular a pipe.
    Type: Application
    Filed: December 6, 2006
    Publication date: May 17, 2007
    Applicant: Dow Global Technologies Inc.
    Inventors: Detlef Schramm, Wolfgang Quack, Julien Damen, Pak-Meng Cham
  • Publication number: 20070092675
    Abstract: Stabilized polyethylene materials which offer an advantageously balanced combination of thermal, mechanical and processing properties, and which maintain their physical properties in chlorinated water environments are disclosed. The materials include an antioxidant system with components to provide extraction resistance in hot water environments and additionally provides oxidation resistance to both chlorine in the water interior of the pipe and oxygen in contact with the pipe's exterior.
    Type: Application
    Filed: December 3, 2004
    Publication date: April 26, 2007
    Inventors: Thoi Ho, Detlef Schramm, Pak-Meng Cham, Kalyan Sehanobish
  • Publication number: 20040266966
    Abstract: The present invention relates to a polyethylene resin having a multimodal molecular weight distribution, said resin being further characterized in that it has a density in the range of from about 0.925 g/ccm to about 0.950 g/ccm, a melt index (I2) in the range of from about 0.05 g/10 min to about 5 g/10 min, and in that it comprises at least one high molecular weight (HMW) ethylene interpolymer and at least a low molecular weight (LMW) ethylene polymer, and a composition comprising such resin. Also provided is a shaped article comprising said resin or composition, in particular a pipe.
    Type: Application
    Filed: August 10, 2004
    Publication date: December 30, 2004
    Inventors: Detlef Schramm, Wolfgang Quack, Julien Damen, Pak-Meng Cham