Patents by Inventor Ivan Ignac Pikulik

Ivan Ignac Pikulik 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).

  • Patent number: 6455661
    Abstract: A graft polymer comprises a carbohydrate polymer having pendant 3-amino-2-hydroxy propyl groups grafted thereon and may be employed as a retention aid and strengthening additive in paper manufacture. When the carbohydrate polymer is a component of wood pulp the resulting chemically modified wood pulp may be employed in conjunction with unmodified wood pulp to incorporate therein the retention and strengthening characteristics.
    Type: Grant
    Filed: July 2, 2001
    Date of Patent: September 24, 2002
    Assignee: Pulp and Paper Research Institute of Canada
    Inventors: Miroslav Antal, Makhlouf Laleg, Ivan Ignac Pikulik
  • Publication number: 20020026992
    Abstract: A graft polymer comprises a carbohydrate polymer having pendant 3-amino-2-hydroxy propyl groups grafted thereon and may be employed as a retention aid and strengthening additive in paper manufacture. When the carbohydrate polymer is a component of wood pulp the resulting chemically modified wood pulp may be employed in conjunction with unmodified wood pulp to incorporate therein the retention and strengthening characteristics.
    Type: Application
    Filed: July 2, 2001
    Publication date: March 7, 2002
    Inventors: Miroslav Antal, Makhlouf Laleg, Ivan Ignac Pikulik