Patents by Inventor Silke John

Silke John 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).

  • Use of dicalcium phosphate anhydride powder
    Patent number: 8501235
    Abstract: Dicalcium phosphate anhydride powder of which at least 50% by weight is of a grain size of between 45 and 150 ?m, a maximum of 50% by weight is of a grain size of <45 ?m and a maximum of 5% by weight is of a grain size >150 ?m and which has a bulk density of between 1000 and 1500 g/l and a specific surface area of <5 m2/g is used for direct tabletting or capsule filling of pharmaceutical preparations.
    Type: Grant
    Filed: February 17, 2010
    Date of Patent: August 6, 2013
    Assignee: Chemische Fabrik Budenheim KG
    Inventors: Erhard Fischer, Gerhard Scheuer, Jurgen Meven, Stefan Mallmann, Silke John
  • USE OF DICALCIUM PHOSPHATE ANHYDRIDE POWDER
    Publication number: 20100144894
    Abstract: Dicalcium phosphate anhydride powder of which at least 50% by weight is of a grain size of between 45 and 150 ?m, a maximum of 50% by weight is of a grain size of <45 ?m and a maximum of 5% by weight is of a grain size >150 ?m and which has a bulk density of between 1000 and 1500 g/l and a specific surface area of <5 m2/g is used for direct tabletting or capsule filling of pharmaceutical preparations.
    Type: Application
    Filed: February 17, 2010
    Publication date: June 10, 2010
    Inventors: Erhard Fischer, Gerhard Scheuer, Jurgen Meven, Stefan Mallmann, Silke John
  • Use of dicalcium phosphate anhydride powder
    Patent number: 7691410
    Abstract: The invention relates to dicalcium phosphate anhydride powder, at least 50 wt. % thereof having a particle size of between 45 and 150 ?m, a maximum of 50 wt. % having a particle size of <45 ?m, and a maximum of 5 wt. % having a particle size of >150 ?m. Said powder also exhibits a bulk density of 1000 to 5000 g/l and a specific surface area of <5 m2/g, and is used to directly tablet or encapsulate pharmaceutical preparations.
    Type: Grant
    Filed: June 29, 2001
    Date of Patent: April 6, 2010
    Assignee: Chemische Fabrik Budenheim KG
    Inventors: Erhard Fischer, Gerhard Scheuer, Jurgen Meven, Stefan Mallmann, Silke John
  • Use of dicalcium phosphate anhydride powder
    Publication number: 20040013724
    Abstract: The invention relates to dicalcium phosphate anhydride powder, at least 50 wt. % thereof having a particle size of between 45 and 150 &mgr;m, a maximum of 50 wt. % having a particle size of <45 &mgr;m, and a maximum of 5 wt. % having a particle size of >150 &mgr;m. Said powder also exhibits a bulk density of 1000 to 5000 g/l and a specific surface area of <5 m2/g. and is used to directly tablet or encapsulate pharmaceutical preparations.
    Type: Application
    Filed: August 15, 2003
    Publication date: January 22, 2004
    Inventors: Erhard Fischer, Gerhard Scheuer, Jurgen Meven, Stefan Mallmann, Silke John