Patents by Inventor Douglas OSTRANDER

Douglas OSTRANDER 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).

  • Calcium aluminate cement
    Patent number: 9193626
    Abstract: The present invention relates to a white calcium aluminate cement containing at least 90% by weight of monocalcium aluminate, an A/C value in the range of 1.75 to 2.0, a fineness according to Blaine in the range of 3500 to 6000 cm2/g, a slope n in the range of 1.1 to 1.5 and a location parameter x? of 8-20 ?m in an RRSB particle size grid according to DIN 66145 as well as its use in formulations of the construction chemical industry and the refractory industry.
    Type: Grant
    Filed: May 15, 2014
    Date of Patent: November 24, 2015
    Assignee: CALUCEM GMBH
    Inventors: Douglas Ostrander, Markus Schmid
  • Calcium Aluminate Cement
    Publication number: 20140338569
    Abstract: The present invention relates to a white calcium aluminate cement containing at least 90% by weight of monocalcium aluminate, an A/C value in the range of 1.75 to 2.0, a fineness according to Blaine in the range of 3500 to 6000 cm2/g, a slope n in the range of 1.1 to 1.5 and a location parameter x? of 8-20 ?m in an RRSB particle size grid according to DIN 66145 as well as its use in formulations of the construction chemical industry and the refractory industry.
    Type: Application
    Filed: May 15, 2014
    Publication date: November 20, 2014
    Applicant: CALUCEM GMBH
    Inventors: Douglas OSTRANDER, Markus SCHMID