Patents by Inventor Adriaan Reinhard P. van Heiningen

Adriaan Reinhard 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: 20120305207
    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: August 14, 2012
    Publication date: December 6, 2012
    Applicant: API INTELLECTUAL PROPERTY HOLDINGS, LLC
    Inventors: Theodora RETSINA, Vesa PYLKKANEN, Adriaan Reinhard P. VAN HEININGEN
  • Method for vapor phase pulping with alcohol and sulfur dioxide
    Patent number: 8268125
    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: Grant
    Filed: March 23, 2009
    Date of Patent: September 18, 2012
    Assignee: API Intellectual Property Holdings, LLC
    Inventors: Theodora Retsina, Vesa Pylkkanen, Adriaan Reinhard P. van Heiningen