Patents by Inventor Rodney W. Rychwalski

Rodney W. Rychwalski 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).

  • Process
    Publication number: 20200032009
    Abstract: A process for the manufacture of a modified poly(alkylene carbonate) comprising compounding i) at least one poly(alkylene carbonate) and at least one modifying agent having at least three carboxylic acid groups, or ii) at least one carboxylic acid group and at least one anhydride group, or iii) at least two anhydride groups, at a temperature of 120 to 240° C.
    Type: Application
    Filed: August 1, 2019
    Publication date: January 30, 2020
    Inventors: Carlos Barreto Soler, Rodney W. Rychwalski, Siw Bodil Fredriksen
  • Modified poly(alkylene carbonate) composition
    Patent number: 10370503
    Abstract: A process for the manufacture of a modified poly(alkylene carbonate) comprising compounding i) at least one poly(alkylene carbonate) and at least one modifying agent having at least three carboxylic acid groups, or ii) at least one carboxylic acid group and at least one anhydride group, or iii) at least two anhydride groups, at a temperature of 120 to 240° C.
    Type: Grant
    Filed: January 10, 2014
    Date of Patent: August 6, 2019
    Assignee: NORNER IP AS
    Inventors: Carlos Barreto Soler, Rodney W. Rychwalski, Siw Bodil Fredriksen
  • PROCESS
    Publication number: 20150361228
    Abstract: A process for the manufacture of a modified poly(alkylene carbonate) comprising compounding i) at least one poly(alkylene carbonate) and at least one modifying agent having at least three carboxylic acid groups, or ii) at least one carboxylic acid group and at least one anhydride group, or iii) at least two anhydride groups, at a temperature of 120 to 240° C.
    Type: Application
    Filed: January 10, 2014
    Publication date: December 17, 2015
    Inventors: Carlos Barreto Soler, Rodney W. Rychwalski, Siw Bodil Fredriksen