Patents by Inventor Lars-Erik Noord

Lars-Erik Noord 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).

  • Cellulose derivative spinning solutions having improved processability and process
    Patent number: 5047197
    Abstract: Cellulose derivative spinning solutions are provided, having an improved flow rate at comparable cellulose derivative content and pressure drop across the spinning nozzle, or a higher cellulose derivative content at comparable flow rate, comprising a cellulose derivative in solution in a solvent therefor, and a polyethylene glycol soluble in the solution and having an average molecular weight within the range from about 1.1 to about 4.5 million, in an amount to improve flow rate or increase cellulose derivative content; as well as a process for spinning such solutions through a spinning nozzle at improved flow rate or increased cellulose derivative content.
    Type: Grant
    Filed: November 19, 1985
    Date of Patent: September 10, 1991
    Assignee: Berol Kemi AB
    Inventors: Ingemar Uneback, Lars-Erik Noord, Margreth Strandberg