Patents by Inventor Stephen Allen Goldmann

Stephen Allen Goldmann 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).

  • Publication number: 20080161499
    Abstract: This invention relates to improved water-swellable material that can significantly withstand deformation by an external pressure, thus showing improved liquid handling properties. In particular, this invention relates to water-swellable material with an improved absorbent capacity/permeability balance. This invention also relates to a water-swellable material, comprising water-swellable polymers and elastomeric polymers, said material being typically in the form of particles, which comprise a core of water-swellable polymer(s) and a shell of said elastomeric polymer(s), whereby the water-swellable material is such that it can withstand deformation due to external pressure. The invention also relates to a specific process of making the specific water-swellable material of the invention.
    Type: Application
    Filed: February 3, 2006
    Publication date: July 3, 2008
    Applicant: Basf Aktiengesellschaft
    Inventors: Ulrich Riegel, Thomas Daniel, Stefan Bruhns, Mark Elliott, Bruno Johannes Ehrnsperger, Stephen Allen Goldmann, Renae Fossum, Matthias Schmidt, Axel Meyer