Patents by Inventor Rita Joosten

Rita Joosten 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 for distilling alkaline caprolactam product at reduced pressure
    Publication number: 20050029086
    Abstract: The invention relates to a process for distilling alkaline caprolactam product at reduced pressure, said alkaline caprolactam product comprising (i) caprolactam, (ii) organic impurities, and (iii) one or more bases selected from the group consisting of alkali hydroxide and alkali amino caproate, characterized in that the alkalinity of the alkaline caprolactam product is less than 5 meq. per kg of caprolactam.
    Type: Application
    Filed: August 23, 2002
    Publication date: February 10, 2005
    Inventors: Louise Groot Zevert, Joseph Bindels, Rita Joosten, Joannes Lemmens, Eelco Mostert