Patents by Inventor Adriaan Renhard P. Van Heiningen

Adriaan Renhard P. Van Heiningen 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 For Vapor Phase Pulping With Alcohol and Sulfur Dioxide
    Publication number: 20110108223
    Abstract: A method for the fractionation of lignocellulosic materials into cellulose, hemicelluloses and lignin in a batch or continuous process in a treatment with vaporous mixture of aliphatic alcohol, sulfur dioxide and water. Cooking conditions are varied to get different proportions of cellulose, hemicelluloses and lignin. Chemical recovery through pressure release is described.
    Type: Application
    Filed: January 11, 2011
    Publication date: May 12, 2011
    Inventors: Theodora Retsina, Vesa Pylkkanen, Adriaan Renhard P. Van Heiningen