Patents by Inventor Barbara Mittermaier

Barbara Mittermaier 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).

  • Clay-compatible additive for construction chemicals
    Patent number: 9365452
    Abstract: The invention relates to a monomer-based condensation product, wherein the monomers comprising at least one monomer having an aldehyde moiety and at least one monomer having a ketone moiety, which is carrying at least one non-aromatic moiety and the condensation product comprises at least one moiety from the series of phosphono, sulphino, sulpho, sulphamido, sulphoxy, sulphoalkyloxy, sulphinoalkyloxy and phosphonooxy groups and/or salts thereof, wherein the monomers further comprising gallic acid. Additionally disclosed are the preparation and the use of these condensation products in chemical products for the construction industry.
    Type: Grant
    Filed: June 7, 2013
    Date of Patent: June 14, 2016
    Assignee: Construction Research & Technology GmbH
    Inventors: Joachim Dengler, Barbara Mittermaier
  • CLAY-COMPATIBLE ADDITIVE FOR CONSTRUCTION CHEMICALS
    Publication number: 20150183688
    Abstract: The invention relates to a monomer-based condensation product, wherein the monomers comprising at least one monomer having an aldehyde moiety and at least one monomer having a ketone moiety, which is carrying at least one non-aromatic moiety and the condensation product comprises at least one moiety from the series of phosphono, sulphino, sulpho, sulphamido, sulphoxy, sulphoalkyloxy, sulphinoalkyloxy and phosphonooxy groups and/or salts thereof, wherein the monomers further comprising gallic acid. Additionally disclosed are the preparation and the use of these condensation products in chemical products for the construction industry.
    Type: Application
    Filed: June 7, 2013
    Publication date: July 2, 2015
    Applicant: Construction Research & Technology GmbH
    Inventors: Joachim Dengler, Barbara Mittermaier