Patents by Inventor Steffen Hofacker

Steffen Hofacker 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: 10045930
    Abstract: The present invention relates to decorative cosmetic compositions comprising special polyurethanes or aqueous dispersions thereof and constituents providing decorative effects.
    Type: Grant
    Filed: March 13, 2009
    Date of Patent: August 14, 2018
    Assignee: COVESTRO DEUTSCHLAND AG
    Inventors: Sophie Viala, Sebastian Doerr, Steffen Hofacker
  • Patent number: 8986661
    Abstract: The invention relates to sun protection compositions for application on the skin, containing special polyurethanes and special sun filter combinations, and to the use of said polyurethanes and sun filter combinations for producing sun protection products.
    Type: Grant
    Filed: March 1, 2011
    Date of Patent: March 24, 2015
    Assignee: Bayer Intellectual Property GmbH
    Inventors: Sophie Viala, Sebastian Dorr, Steffen Hofacker
  • Publication number: 20130004556
    Abstract: The invention relates to novel chewable foams which are useful in the oral care sector and which are based on polyurethane-polyureas, to a method for the production of these novel chewable foams, and also to use thereof.
    Type: Application
    Filed: September 13, 2012
    Publication date: January 3, 2013
    Applicant: BAYER MATERIALSCIENCE AG
    Inventors: Steffen HOFACKER, Thorsten RISCHE, Meike NIESTEN, Thomas FELLER, Thomas MICHAELIS
  • Publication number: 20120308496
    Abstract: The invention relates to sun protection compositions for application on the skin, containing special polyurethanes and special sun filter combinations, and to the use of said polyurethanes and sun filter combinations for producing sun protection products.
    Type: Application
    Filed: March 1, 2011
    Publication date: December 6, 2012
    Applicant: BAYER INTELLECTUAL PROPERTY GMBH
    Inventors: Sophie Viala, Sebastian Dorr, Steffen Hofacker
  • Publication number: 20120263658
    Abstract: Flavored chewable foams for the oral care sector are produced from a polyurethane-polyurea and a sensorially active substance (e.g., taste substance and/or aroma substance) by foaming a polyurethane-urea dispersion, drying that dispersion and incorporating the sensorially active substance into the polyurethane-urea dispersion before, during or after foaming of the dispersion.
    Type: Application
    Filed: June 6, 2012
    Publication date: October 18, 2012
    Applicant: Bayer MaterialScience AG
    Inventors: Steffen HOFACKER, Thomas FELLER, Thomas MICHAELIS, Sebastian DOERR, Dirk SCHWANNECKE, Meike NIESTEN, Thorsten RISCHE
  • Publication number: 20120244201
    Abstract: The invention relates to a process for the preparation of novel aromatized chewing foams for the oral care sector based on polyurethane-polyureas and aromatizing compositions.
    Type: Application
    Filed: June 6, 2012
    Publication date: September 27, 2012
    Applicant: Bayer MaterialScience AG Patents & Licensing
    Inventors: Steffen HOFACKER, Meike Niesten, Thorsten Rische, Sebastian Dörr, Thorsten Krämer, Dirk Schwannecke, Gabriele Rohé, Jens Hepperle, Hartwig Kempkes, Claudia Letmathe
  • Publication number: 20110318279
    Abstract: The invention relates to novel masticatory masses for oral hygiene, made from foamed synthetic polymers, a method for production and use thereof.
    Type: Application
    Filed: April 12, 2007
    Publication date: December 29, 2011
    Applicant: BAYERMATERIALSECIENCE AG
    Inventors: Meike Niesten, Steffen Hofacker, Thorsten Rische, Sebastian Dörr, Thomas Feller, Thomas Michaelis
  • Publication number: 20110117042
    Abstract: The present invention relates to a cosmetic composition for coloring a keratin-containing material, which includes one or more aqueous polyurethane dispersions
    Type: Application
    Filed: July 4, 2009
    Publication date: May 19, 2011
    Applicant: Bayer MaterialScience
    Inventors: Sophie Viala, Sebastian Dörr, Steffen Hofacker
  • Publication number: 20110097289
    Abstract: The invention relates to decorative cosmetic compositions containing specific polyurethanes or aqueous dispersions thereof and constituents producing decorative effects.
    Type: Application
    Filed: March 13, 2009
    Publication date: April 28, 2011
    Applicant: Bayer MaterialScience AG
    Inventors: Sophie Viala, Sebastian Doerr, Steffen Hofacker
  • Publication number: 20110091839
    Abstract: The present invention relates to a strand-like profile body for dental cleaning, wherein the cross-section of the profile body comprises a bottom section (10) and first wall sections (12) and second wall sections (14), which adjoin the bottom section and are arranged opposite of each other, and wherein furthermore the bottom section (10) together with the first and second wall sections (12, 14) forms at least one recess (16, 18) in the profile body for receiving a tooth. The invention further relates to a method for the production thereof and the use thereof for cleaning teeth.
    Type: Application
    Filed: June 6, 2009
    Publication date: April 21, 2011
    Applicant: Bayer Material Science AG
    Inventors: Meike Niesten, Steffen Hofacker, Thorsten Rische, Sebastian Doerr
  • Publication number: 20110044933
    Abstract: The present invention relates to particles produced by drying aqueous dispersions of nanoureas and to methods for the production thereof.
    Type: Application
    Filed: March 24, 2009
    Publication date: February 24, 2011
    Applicant: Bayer MaterialScience AG
    Inventors: Sebastian Dörr, Harald Blum, Steffen Hofacker, Sophie Viala
  • Publication number: 20110038808
    Abstract: Flavored chewable foams for the oral care sector are produced from a polyurethane-polyurea and a sensorially active substance (e.g., taste substance and/or aroma substance) by foaming a polyurethane-urea dispersion, drying that dispersion and incorporating the sensorially active substance into the polyurethane-urea dispersion before, during or after foaming of the dispersion.
    Type: Application
    Filed: October 27, 2010
    Publication date: February 17, 2011
    Applicant: Bayer MaterialScience AG
    Inventors: Steffen Hofacker, Thomas Feller, Thomas Michaelis, Sebastian Doerr, Dirk Schwannecke, Meike Niesten, Thorsten Rische
  • Publication number: 20110027211
    Abstract: The invention relates to hair styling compositions containing special polyurethanes and to the use of the above-mentioned polyurethanes for producing hair styling compositions.
    Type: Application
    Filed: March 13, 2009
    Publication date: February 3, 2011
    Applicant: Bayer MaterialScience AG
    Inventors: Sophie Viala, Sebastian Doerr, Steffen Hofacker
  • Publication number: 20110014139
    Abstract: The invention relates to sun protection compositions for applying to the skin, containing special polyurethanes and to the use of the above-mentioned polyurethanes for producing sun-protection products.
    Type: Application
    Filed: March 13, 2009
    Publication date: January 20, 2011
    Applicant: Bayer Material Science AG
    Inventors: Sophie Viala, Sebastian Doerr, Steffen Hofacker
  • Publication number: 20110015279
    Abstract: The invention relates to skin care compositions containing special polyurethanes for application to the skin. The invention also relates to the use of said polyurethanes for producing skin care products.
    Type: Application
    Filed: March 13, 2009
    Publication date: January 20, 2011
    Inventors: Sebastian Doerr, Sophie Viala, Steffen Hofacker
  • Publication number: 20100215608
    Abstract: The present invention relates to hair setting compositions comprising the combination of a special polyurethane and of a vinylpyrrolidone homo- or copolymer, and to the use of said combination for the preparation of hair setting compositions.
    Type: Application
    Filed: February 18, 2010
    Publication date: August 26, 2010
    Applicant: Bayer MaterialScience AG
    Inventors: Sebastian Dörr, Steffen Hofacker, Sophie Viala
  • Patent number: 7550527
    Abstract: The present invention relates to aqueous copolymer dispersions containing A) one or more hydroxy-functional copolymers synthesized from a) one or more OH-free (meth)acrylic esters and/or vinylaromatics, b) one or more hydroxy-functional (meth)acrylic esters, c) one or more ionic and/or potential ionic monomers capable of free-radical copolymerization, and d) one or more optionally monomers other than components a) to c) that are capable of free-radical copolymerization, and B) one or more hydroxy-functional polycarbonate polyols as reactive diluent. The present invention also relates to a process for preparing these aqueous copolymer dispersions and to their use in coating compositions.
    Type: Grant
    Filed: March 6, 2006
    Date of Patent: June 23, 2009
    Assignee: Bayer MaterialScience AG
    Inventors: Steffen Hofacker, Markus Mechtel, Thomas Münzmay, Nusret Yuva, Rolf Gertzmann
  • Publication number: 20090148501
    Abstract: The invention relates to a process for the preparation of novel aromatized chewing foams for the oral care sector based on polyurethane-polyureas and aromatizing compositions
    Type: Application
    Filed: October 17, 2008
    Publication date: June 11, 2009
    Applicant: Bayer MaterialScience AG
    Inventors: Steffen Hofacker, Meike Niesten, Thorsten Rische, Sebastian Dorr, Thorsten Kramer, Dirk Schwannecke, Gabriele Rohe, Jens Hepperle, Hartwig Kempkes, Claudia Letmathe
  • Publication number: 20090018224
    Abstract: The invention relates to the drying of foams by means of microwave radiation, and in particular, where the foams are obtained from aqueous polyurethane dispersions (PU dispersions).
    Type: Application
    Filed: July 10, 2008
    Publication date: January 15, 2009
    Applicant: Bayer MaterialScience AG
    Inventors: Meike Niesten, Steffen Hofacker, Thorsten Rische, Sebastian Doerr, Thorsten Kraemer
  • Publication number: 20090008613
    Abstract: The present invention relates to hybrid organic-inorganic polyisocyanates based on polyfunctional organosilanes, metal alkoxides and alkoxysilane-containing blocked polyisocyanates for the preparation of organic-inorganic coating compositions and adhesives.
    Type: Application
    Filed: May 7, 2008
    Publication date: January 8, 2009
    Applicant: Bayer MaterialScience AG
    Inventors: Arno Nennemann, Steffen Hofacker, Markus Mechtel, Thomas Klimmasch, Christopher Guertler