Patents by Inventor Marie-France Raty

Marie-France Raty 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).

  • Method of compounding a multimodal polyethylene composition
    Patent number: 6900266
    Abstract: Method of compounding a multimodal polyethylene composition in a compounding device, wherein a) the total residence time of the polyethylene composition in the compounding device is at least 1.5 minutes, b) the total drive specific energy (SEC) applied on the polyethylene composition is from 0.270 to 0.460 kWh/kg, c) optionally, a specific cooling energy (SCC) of at most 0.200 kWh/kg is applied on the polyethylene composition, d) the total specific energy, which is the difference between the total drive specific energy SEC and any specific cooling energy SCC, applied on the polyethylene composition is from 0.220 to 0.330 kWh/kg.
    Type: Grant
    Filed: June 10, 2002
    Date of Patent: May 31, 2005
    Assignee: Solvay Polyolefins Europe-Belgium
    Inventor: Marie-France Raty
  • Method of compounding a multimodal polyethylene composition
    Publication number: 20040192819
    Abstract: Method of compounding a multimodal polyethylene composition in a compounding device, wherein a) the total residence time of the polyethylene composition in the compounding device is at least 1.5 minutes, b) the total drive specific energy (SEC) applied on the polyethylene composition is from 0.270 to 0.460 kWh/kg, c) optionally, a specific cooling energy (SCC) of at most 0.200 kWh/kg is applied on the polyethylene composition, d) the total specific energy, which is the difference between the total drive specific energy SEC and any specific cooling energy SCC, applied on the polyethylene composition is from 0.220 to 0.330 kWh/kg.
    Type: Application
    Filed: December 12, 2003
    Publication date: September 30, 2004
    Inventor: Marie-France Raty