Patents by Inventor Freddy Tjosas

Freddy Tjosas 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 the production of amino alcohols
    Patent number: 8835690
    Abstract: The present invention relates to a process for the manufacture of APD and N-alkyl-APD wherein 1-CPD is reacted with aqueous ammonium or aqueous alkyl-amine under alkaline conditions and where the process is conducted in a continuous manner in a reactor comprising a tubular reactor wherein at least two reaction zones are established.
    Type: Grant
    Filed: February 9, 2012
    Date of Patent: September 16, 2014
    Assignee: Borregaard AS
    Inventor: Freddy Tjosas
  • PROCESS FOR THE PRODUCTION OF AMINO ALCOHOLS
    Publication number: 20130338401
    Abstract: The present invention relates to a process for the manufacture of APD and N-alkyl-APD wherein 1-CPD is reacted with aqueous ammonium or aqueous alkyl-amine under alkaline conditions and where the process is conducted in a continuous manner in a reactor comprising a tubular reactor wherein at least two reaction zones are established.
    Type: Application
    Filed: February 9, 2012
    Publication date: December 19, 2013
    Applicant: BORREGAARD AS
    Inventor: Freddy Tjosas