Patents by Inventor Antti RANTAMÄKI

Antti RANTAMÄKI 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: 10995275
    Abstract: A hydrotropic composition including at least one surface active cationic component, which is selected from a group of cholinium, guadinium or tetramethylguadinium, preferably cholinium, and a straight or branched carboxylate anion having at least six carbon atoms and its uses, for treating of oil sands or the like, for treating tailings from separation of bitumen, asphaltenes or the like.
    Type: Grant
    Filed: January 11, 2018
    Date of Patent: May 4, 2021
    Assignee: Kemira Oyj
    Inventors: Alistair King, Evangelos Sklavounos, Tiina Laaksonen, Antti Rantamäki, Susanne Wiedmer, Lasse Kyllönen, Suvi-Katriina Ruokonen
  • Publication number: 20190345392
    Abstract: A hydrotropic composition including at least one surface active cationic component, which is selected from a group of cholinium, guadinium or tetramethylguadinium, preferably cholinium, and a straight or branched carboxylate anion having at least six carbon atoms and its uses, for treating of oil sands or the like, for treating tailings from separation of bitumen, asphaltenes or the like.
    Type: Application
    Filed: January 11, 2018
    Publication date: November 14, 2019
    Applicant: Kemira Oyj
    Inventors: Alistair KING, Evangelos SKLAVOUNOS, Tiina LAAKSONEN, Antti RANTAMÄKI, Susanne WIEDMER, Lasse KYLLÖNEN, Suvi-Katriina RUOKONEN