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).

  • Hydrotropic composition and its uses
    Patent number: 11697772
    Abstract: Hydrotropic composition comprising 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: March 31, 2021
    Date of Patent: July 11, 2023
    Assignee: KEMIRA OYJ
    Inventors: Alistair King, Evangelos Sklavounos, Tiina Laaksonen, Antti Rantamaki, Susanne Wiedmer, Lasse Kyllonen, Suvi-Katriina Ruokonen
  • Hydrotropic composition and its uses
    Publication number: 20210292654
    Abstract: Hydrotropic composition comprising 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: March 31, 2021
    Publication date: September 23, 2021
    Inventors: Alistair KING, Evangelos SKLAVOUNOS, Tiina LAAKSONEN, Antti RANTAMAKI, Susanne WIEDMER, Lasse KYLLONEN, Suvi-Katriina RUOKONEN
  • Hydrotropic composition and its uses
    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
  • Hydrotropic composition and its uses
    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