Patents by Inventor Johan Tatin

Johan Tatin 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: 7550156
    Abstract: The invention concerns chemical compositions in the form of pellets which disintegrate quickly and efficiently in aqueous media. Such pellets comprise a) at least one constituent with pharmaceutical, agrochemical, water treatment, water softening, fabric softening or detergency activity; b) one or more disintegration agents comprising one or more cross-linked polyacrylate water absorbent polymers with a gel-formation time of 30 seconds or less and c) one or more water transport agents to transport water into the pellet when the pellet contacts water, wherein at least one of the said water transport agents comprises at least one starch or starch derivative.
    Type: Grant
    Filed: November 5, 2002
    Date of Patent: June 23, 2009
    Assignee: Rohm and Haas Company
    Inventors: Francois Gauthier, Johan Tatin
  • Patent number: 7138139
    Abstract: The present invention relates to water soluble tablet coatings prepared from water soluble, partially and completely neutralized acrylic polymers and at least one film modifying agent.
    Type: Grant
    Filed: October 16, 2003
    Date of Patent: November 21, 2006
    Assignee: Rohm and Haas Company
    Inventors: Francois Gauthier, Yves Duccini, Paul Francis Reeve, Johan Tatin
  • Publication number: 20040081690
    Abstract: The present invention relates to water soluble tablet coatings prepared from water soluble, partially and completely neutralized acrylic polymers and at least one film modifying agent.
    Type: Application
    Filed: October 16, 2003
    Publication date: April 29, 2004
    Inventors: Francois Gauthier, Yves Duccini, Paul Francis Reeve, Johan Tatin
  • Publication number: 20030104072
    Abstract: The invention concerns chemical compositions in the form of pellets which disintegrate quickly and efficiently in aqueous media. Such pellets comprise a) at least one constituent with pharmaceutical, agrochemical, water treatment, water softening, fabric softening or detergency activity; b) one or more disintegration agents comprising one or more cross-linked polyacrylate water absorbent polymers with a gel-formation time of 30 seconds or less and c) one or more water transport agents to transport water into the pellet when the pellet contacts water, wherein at least one of the said water transport agents comprises at least one starch or starch derivative.
    Type: Application
    Filed: November 5, 2002
    Publication date: June 5, 2003
    Inventors: Francois Gauthier, Johan Tatin
  • Patent number: 6254892
    Abstract: The invention concerns chemical compositions in the form of pellets which disintegrate quickly and efficiently in aqueous media and a method of producing the pellets. Such pellets comprise (a) at least one constituent with pharmaceutical, agrochemical, water treatment, water softening, fabric softening or detergency activity; (b) at least one disintegration agent comprising one or more crosslinked polyacrylate water absorbent polymers with a gel-formation time of 30 seconds or less and (c) at least one water transport agent to transport water into the pellet when the pellet contacts water.
    Type: Grant
    Filed: February 22, 2000
    Date of Patent: July 3, 2001
    Assignee: Rohm and Haas Company
    Inventors: Yves Duccini, Johan Tatin, Francois Gauthier