Patents by Inventor Christiane Barth

Christiane Barth 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).

  • Activated carbon filter
    Patent number: 7049382
    Abstract: The present invention relates to a novel polymer as binder for producing activated carbon filters. The polymer of the invention is a polyethylene homopolymer and/or copolymer having a melt flow index (MFI 190/15) of from 1.2 g/10 min to 10 g/10 min, a polydispersity Mw/Mn of from 3 to 30, a bulk density of from 0.05 g/cm3 to 0.5 g/cm3 and a particle size from 5 ?m to 300 ?m.
    Type: Grant
    Filed: May 27, 2004
    Date of Patent: May 23, 2006
    Assignee: Ticona GmbH
    Inventors: Stanislaw Haftka, Jens Ehlers, Christiane Barth, Louis Wang
  • Activated carbon filter
    Publication number: 20050004299
    Abstract: The present invention relates to a novel polymer as binder for producing activated carbon filters. The polymer of the invention is a polyethylene homopolymer and/or copolymer having a melt flow index (MFI 190/15) of from 1.2 g/10 min to 10 g/10 min, a polydispersity Mw/Mn of from 3 to 30, a bulk density of from 0.05 g/cm3 to 0.5 g/cm3 and a particle size from 5 ?m to 300 ?m.
    Type: Application
    Filed: May 27, 2004
    Publication date: January 6, 2005
    Applicant: TICONA GmbH
    Inventors: Stanislaw Haftka, Jens Ehlers, Christiane Barth, Louis Wang
  • Activated carbon filter
    Patent number: 6770736
    Abstract: The present invention relates to a novel polymer as binder for producing activated carbon filters. The polymer of the invention is a polyethylene homopolymer and/or copolymer having a melt flow index (MFI 190/15) of from 1.2 g/10 min to 10 g/10 min, a polydispersity Mw/Mn of from 3 to 30, a bulk density of from 0.05 g/cm3 to 0.5 g/cm3 and a particle size from 5 &mgr;m to 300 &mgr;m.
    Type: Grant
    Filed: July 12, 2001
    Date of Patent: August 3, 2004
    Assignee: Ticona GmbH
    Inventors: Stanislaw Haftka, Jens Ehlers, Christiane Barth, Louis Wang
  • Hydrophilically modified polyethylene resins
    Patent number: 5977229
    Abstract: Hydrophilically modified high and/or ultra-high molecular weight polyethylene (HMW-PE or UHMW-PE) coated with a mixture comprising 1-99.9% by weight of at least one water-soluble additive and 0.1 to 99% by weight of at least one water-insoluble additive, the content of the mixture being 0.1 to 10% by weight, based on the total weight of hydrophilically modified HMW-PE and/or UHMW-PE and a process for the preparation of the hydrophilically modified HMW-PE and/or UHMW-PE and its use for the production of porous moldings.
    Type: Grant
    Filed: September 4, 1996
    Date of Patent: November 2, 1999
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Christiane Barth, Jens Ehlers, Stanislaw Haftka
  • Graft copolymer based on an ultrahigh-molecular-weight polyethylene and an ethylene copolymer
    Patent number: 5183855
    Abstract: A graft copolymer based on ultrahigh-molecular-weight polyethylene having a molecular weight .gtoreq. 1,000,000 g/mol, an ethylene copolymer and a graft monomer; and the preparation and use thereof. The ethylene copolymer contains ethylene and vinyl acetate or ethylene and an alkenecarboxylic acid ester. The graft monomer is an alkenecarboxylic acid or an alkenecarboxylic anhydride. The resultant graft polymers posses improved properties compared with the materials from which they are derived.
    Type: Grant
    Filed: September 19, 1991
    Date of Patent: February 2, 1993
    Assignee: Hoechst Aktiengesellschaft
    Inventors: John Hobes, Christiane Barth