Patents by Inventor Petri Turhanen

Petri Turhanen 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 PROCESSING BLACK LIQUOR SOAP
    Publication number: 20230235245
    Abstract: The invention relates to a method for processing black liquor soap, particularly to a method for producing and recovering fatty acid esters and resin acids from black liquor soap. The method is based on a catalytic selective esterification of the soap.
    Type: Application
    Filed: June 24, 2021
    Publication date: July 27, 2023
    Inventors: Olavi RAATIKAINEN, Petro SUVANTO, Jouko VEPSÄLÄINEN, Jukka LEPPÄNEN, Petri TURHANEN
  • METHOD FOR COLLECTING METALS
    Publication number: 20140263071
    Abstract: A method for collecting metals from a solution, in which method solid insoluble or sparingly soluble bisphoshonate of formula I is mixed with the solution, whereby metals possibly present in the solution react with the bisphosphonate, and the bisphosphonate together with the metals reacted with it is separated from the solution. The method can be used for collecting metals e.g. from waste water or from household water.
    Type: Application
    Filed: March 30, 2012
    Publication date: September 18, 2014
    Applicant: CHEMEC OY AB
    Inventors: Petri Turhanen, Sirpa Peraniemi, Jouko Vepsalainen