Patents by Inventor Samantha Champ

Samantha Champ 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: 9550727
    Abstract: The present invention relates to a method for the crystallization of n-hexyl 2-(4-N,N-diethylamino-2-hydroxybenzoyl)benzoate, to a method for the production of pourable or flowable particles of crystalline n-hexyl 2-(4-N,N-diethylamino-2-hydroxybenzoyl)-benzoate and to specific pourable or flowable particles of crystalline n-hexyl 2-(4-N,N-diethylamino-2-hydroxybenzoyl)benzoate.
    Type: Grant
    Filed: August 6, 2014
    Date of Patent: January 24, 2017
    Assignee: BASF SE
    Inventors: Samantha Champ, Manfred Hetterich, Günther Gottwald
  • Publication number: 20140349115
    Abstract: The present invention relates to a method for the crystallization of n-hexyl 2-(4-N,N-diethylamino-2-hydroxybenzoyl)benzoate, to a method for the production of pourable or flowable particles of crystalline n-hexyl 2-(4-N,N-diethylamino-2-hydroxybenzoyl)-benzoate and to specific pourable or flowable particles of crystalline n-hexyl 2-(4-N,N-diethylamino-2-hydroxybenzoyl)benzoate.
    Type: Application
    Filed: August 6, 2014
    Publication date: November 27, 2014
    Applicant: BASF SE
    Inventors: Samantha Champ, Manfred Hetterich, Günther Gottwald
  • Patent number: 8802887
    Abstract: The present invention relates to a method for the crystallization of n-hexyl 2-(4-N,N-diethylamino-2-hydroxybenzoyl)benzoate, to a method for the production of pourable or flowable particles of crystalline n-hexyl 2-(4-N,N-diethylamino-2-hydroxybenzoyl)benzoate and to specific pourable or flowable particles of crystalline n-hexyl 2-(4-N,N-diethylamino-2-hydroxybenzoyl)benzoate.
    Type: Grant
    Filed: April 17, 2008
    Date of Patent: August 12, 2014
    Assignee: BASF SE
    Inventors: Samantha Champ, Manfred Hetterich, Günther Gottwald
  • Patent number: 8796343
    Abstract: Use in hygiene articles of articles formed of water-absorbent, predominantly open-celled crosslinked acid-functional addition polymer foams Abstract The use of articles formed of water-absorbent open-celled crosslinked acid-functional addition polymer foams and containing finely divided silicon dioxide and/or at least one surfactant on their surface as an acquisition and/or distribution layer in hygiene articles.
    Type: Grant
    Filed: October 29, 2008
    Date of Patent: August 5, 2014
    Assignee: BASF SE
    Inventors: Samantha Champ, Hans-Joachim Hähnle, Mariola Wanior
  • Patent number: 8273813
    Abstract: The invention concerns fire-extinguishing and/or fire-retarding compositions comprising at least one water-absorbing polymer and at least one alkali metal salt of a nonpolymeric saturated carboxylic acid, processes for their production and the use of the compositions for firefighting or as fire-retarding coatings.
    Type: Grant
    Filed: November 21, 2005
    Date of Patent: September 25, 2012
    Assignee: BASF Aktiengesellschaft
    Inventors: Martin Beck, Samantha Champ, Markus Tönnessen, Antje Ziemer, Gerd Goebel, Matthias Pfeiffer
  • Patent number: 8104542
    Abstract: The invention relates to a process for preparing low-viscosity polymer gels by mixing a water-absorbing polymer with water, in which the viscosity is reduced by adding a chelating agent, and also to the use thereof for firefighting.
    Type: Grant
    Filed: June 9, 2011
    Date of Patent: January 31, 2012
    Assignee: BASF SE
    Inventors: Antje Ziemer, Anna Kowalski, Samantha Champ
  • Publication number: 20110237724
    Abstract: The invention relates to a process for preparing low-viscosity polymer gels by mixing a water-absorbing polymer with water, in which the viscosity is reduced by adding a chelating agent, and also to the use thereof for firefighting.
    Type: Application
    Filed: June 9, 2011
    Publication date: September 29, 2011
    Applicant: BASF SE
    Inventors: Antje Ziemer, Anna Kowalski, Samantha Champ
  • Patent number: 7923479
    Abstract: Superabsorbent foam comprising superabsorbent fiber and/or fruit fiber, processes for producing superabsorbent foam having improved wet strength by foaming a crosslinkable aqueous mixture comprising at least 50 mol % neutralized acid-functional monoethylenically unsaturated monomer or at least one basic polymer, crosslinker, superabsorbent synthetic fiber and/or fruit fiber and at least one surfactant and subsequently polymerizing the monomer in the foamed mixture or crosslinking the basic polymer to form a hydrogel foam and use of the thus obtainable foam in hygiene articles to absorb body fluids, in dressing material to cover wounds, as a sealing material, as a packaging material, as a soil improver, as a soil substitute, to dewater sludges, to thicken waterborne paints or coatings in the course of disposing of residual quantities thereof, to dewater water-containing oils or hydrocarbons or as a material for filters in ventilation systems.
    Type: Grant
    Filed: August 4, 2008
    Date of Patent: April 12, 2011
    Assignee: BASF Aktiengesellschaft
    Inventors: Samantha Champ, Mariola Wanior, Andreas Reifschneider
  • Patent number: 7838567
    Abstract: Foams composed of water-absorbing basic polymers, obtainable by (I) foaming a crosslinkable aqueous mixture including (a) at least one basic polymer whose basic groups have optionally been neutralized, (b) at least one crosslinker, (c) at least one surfactant, (d) optionally at least one solubilizer, (e) optionally thickeners, foam stabilizers, fillers, fibers and/or cell nucleators, and (f) optionally particulate water-absorbing acidic polymers, by dissolving a gas which is inert toward free radicals in the crosslinkable aqueous mixture under a pressure from 2 to 400 bar and subsequently decompressing the crosslinkable aqueous mixture to atmospheric or by dispersing fine bubbles of a gas which is inert toward free radicals, and (II) crosslinking the foamed mixture to form a hydrogel foam and if applicable adjusting the water content of the polymer foam to 1-60% by weight.
    Type: Grant
    Filed: January 30, 2003
    Date of Patent: November 23, 2010
    Assignee: Basf Aktiengesellschaft
    Inventors: Samantha Champ, Hans-Joachim Hähnle, Martin Beck, Rüdiger Funk
  • Patent number: 7790638
    Abstract: The invention concerns improved moisture-regulating composites comprising a sheetlike substrate material, a water-soluble hygroscopic substance and a water-absorbing polymer polymerized onto the substrate material in the presence of the hygroscopic substance and comprising a plasticizer, methods of making them and their use for moisture regulation.
    Type: Grant
    Filed: August 9, 2006
    Date of Patent: September 7, 2010
    Assignee: BASF Aktiengesellschaft
    Inventors: Mirjam Herrlich-Loos, Corinna Haindl, Samantha Champ, Martin Beck, Markus Tönnessen, Michael Fastner
  • Publication number: 20100137629
    Abstract: The present invention relates to a method for the crystallization of n-hexyl 2-(4-N,N-diethylamino-2-hydroxybenzoyl)benzoate, to a method for the production of pourable or flowable particles of crystalline n-hexyl 2-(4-N,N-diethylamino-2-hydroxybenzoyl)benzoate and to specific pourable or flowable particles of crystalline n-hexyl 2-(4-N,N-diethylamino-2-hydroxybenzoyl)benzoate.
    Type: Application
    Filed: April 17, 2008
    Publication date: June 3, 2010
    Applicant: BASF SE
    Inventors: Samantha Champ, Manfred Hetterich, Günther Gottwald
  • Publication number: 20090045378
    Abstract: Use in hygiene articles of articles formed of water-absorbent, predominantly open-celled crosslinked acid-functional addition polymer foams Abstract The use of articles formed of water-absorbent open-celled crosslinked acid-functional addition polymer foams and containing finely divided silicon dioxide and/or at least one surfactant on their surface as an acquisition and/or distribution layer in hygiene articles.
    Type: Application
    Filed: October 29, 2008
    Publication date: February 19, 2009
    Applicant: BASF SE
    Inventors: Samantha Champ, Hans-Joachim Hahnle, Mariola Wanior
  • Publication number: 20090045138
    Abstract: Superabsorbent foam comprising superabsorbent fiber and/or fruit fiber, processes for producing superabsorbent foam having improved wet strength by foaming a crosslinkable aqueous mixture comprising at least 50 mol % neutralized acid-functional monoethylenically unsaturated monomer or at least one basic polymer, crosslinker, superabsorbent synthetic fiber and/or fruit fiber and at least one surfactant and subsequently polymerizing the monomer in the foamed mixture or crosslinking the basic polymer to form a hydrogel foam and use of the thus obtainable foam in hygiene articles to absorb body fluids, in dressing material to cover wounds, as a sealing material, as a packaging material, as a soil improver, as a soil substitute, to dewater sludges, to thicken waterborne paints or coatings in the course of disposing of residual quantities thereof, to dewater water-containing oils or hydrocarbons or as a material for filters in ventilation systems.
    Type: Application
    Filed: August 4, 2008
    Publication date: February 19, 2009
    Applicant: BASF AKTIENGESELLSCHAFT
    Inventors: Samantha Champ, Mariola Wanior, Andreas Reifschneider
  • Publication number: 20080214725
    Abstract: The invention concerns improved moisture-regulating composites comprising a sheetlike substrate material, a water-soluble hygroscopic substance and a water-absorbing polymer polymerized onto the substrate material in the presence of the hygroscopic substance and obtainable by polymerization of a monomer mixture comprising at least one ethylenically unsaturated monomer i) and at least 6 parts by weight of crosslinker iii) based on 100 parts by weight of monomer i), methods of making them and their use for moisture regulation.
    Type: Application
    Filed: August 9, 2006
    Publication date: September 4, 2008
    Applicant: BASF AKTIENGESELLSCHAFT
    Inventors: Mirjam Herrlich-Loos, Corinna Haindl, Samantha Champ, Martin Beck, Markus Tonnessen, Michael Fastner
  • Publication number: 20080210442
    Abstract: The invention relates to a process for preparing low-viscosity polymer gels by mixing a water-absorbing polymer with water, in which the viscosity is reduced by adding a chelating agent, and also to the use thereof for firefighting.
    Type: Application
    Filed: August 9, 2006
    Publication date: September 4, 2008
    Inventors: Antje Ziemer, Anna Kowalski, Samantha Champ
  • Publication number: 20080194162
    Abstract: The invention concerns improved moisture-regulating composites comprising a sheetlike substrate material, a water-soluble hygroscopic substance and a water-absorbing polymer polymerized onto the substrate material in the presence of the hygroscopic substance and comprising a plasticizer, methods of making them and their use for moisture regulation.
    Type: Application
    Filed: August 9, 2006
    Publication date: August 14, 2008
    Applicant: BASF AKTIENGESELLSCHAFT
    Inventors: Mirjam Herrlich-Loos, Corinna Haindl, Samantha Champ, Martin Beck, Markus Tonnessen, Michael Fastner
  • Publication number: 20080190576
    Abstract: A process for the production of paper, board and cardboard in the presence of a water-swellable polymer by adding the water-swellable polymer to a fiber suspension, the fiber suspension comprising water-swellable polymers being beaten.
    Type: Application
    Filed: May 16, 2006
    Publication date: August 14, 2008
    Applicant: BASF Aktiengesellschaft
    Inventors: Simon Champ, Roland Ettl, Samantha Champ
  • Publication number: 20080032014
    Abstract: The invention relates to a printable composition having a viscosity of 1-1000 mPas and comprising a) 5-50% by weight of superabsorbent polymeric particles, b) 10-40% by weight of at least one organic, water-insoluble binder, c) 0-10% by weight of at least one additive and d) 40-80% by weight of at least one organic solvent. The invention further relates to sheetlike materials printed with the printable composition on at least one surface. The invention further relates to the use of the printed sheetlike materials for food packaging, for packaging moisture-sensitive goods, for moisture control in rooms, or as a membrane in textiles.
    Type: Application
    Filed: June 3, 2005
    Publication date: February 7, 2008
    Applicant: BASF AKTIENGESELLSCHAFT
    Inventors: Volker Frenz, Martin Beck, Markus Tonnessen, Bernhard Steinmetz, Samantha Champ, Lothar Schaffeler
  • Publication number: 20070289752
    Abstract: The invention concerns fire-extinguishing and/or fire-retarding compositions comprising at least one water-absorbing polymer and at least one alkali metal salt of a nonpolymeric saturated carboxylic acid, processes for their production and the use of the compositions for firefighting or as fire-retarding coatings.
    Type: Application
    Filed: November 21, 2005
    Publication date: December 20, 2007
    Applicant: BASF AKTIENGESELLSCHAFT
    Inventors: Martin Beck, Samantha Champ, Markus Tonnessen, Antje Ziemer, Gerd Goebel, Matthias Pfeiffer
  • Publication number: 20070262290
    Abstract: The invention concerns water-absorbing polymers for producing fire-retarding compositions, comprising at least one interpolymerized ethylenically unsaturated monomer bearing acid groups, wherein from 51 to 64 mol % of the acid groups are present as carboxylate groups and some or all of the carboxylate groups have potassium ions as counterions, processes for producing the water-absorbing polymers and also the production of fire-retarding compositions and coatings.
    Type: Application
    Filed: November 4, 2005
    Publication date: November 15, 2007
    Applicant: Basf Aktiengesellschaft
    Inventors: Martin Beck, Samantha Champ, Markus Tonnessen, Antje Ziemer, Dennis Losch