Patents by Inventor Norbert Schick

Norbert Schick 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).

  • Microcapsule suspensions
    Patent number: 6730635
    Abstract: The invention relates to microcapsule suspensions containing (A) a particulate disperse phase of microcapsules comprising: (1) sleeves that are reaction products of mixtures of toluylene diisocyanate and 4,4′-methylenebis-(cyclohexyl isocyanate) with at least one diamine and/or polyamine, and (2) a capsule filling comprising: (i) at least one solid insecticidally and/or herbicidally active compound, (ii) at least one liquid aliphatic hydrocarbon having a boiling point above 160° C., (iii) at least one oil-soluble polymeric dispersing agent, and (iv) optional agrochemically active compounds that are liquid at room temperature, and (B) a liquid aqueous phase comprising water, optional additives, and optional agrochemically active compounds in non-encapsulated form that are solid at room temperature.
    Type: Grant
    Filed: September 12, 2002
    Date of Patent: May 4, 2004
    Assignee: Bayer AG
    Inventors: Hilmar Wolf, Norbert Schick, Björn Christensen, Anne Suty-Heinze
  • Microcapsule suspensions
    Publication number: 20030119675
    Abstract: Novel microcapsule suspensions comprising
    Type: Application
    Filed: September 12, 2002
    Publication date: June 26, 2003
    Inventors: Hilmar Wolf, Norbert Schick, Bj?ouml;rn Christensen, Anne Suty-Heinze