Patents by Inventor Per Stenstad

Per Stenstad 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: 11806330
    Abstract: Described herein is an active ingredient encapsulated into poly (alkyl cyanoacrylate) nanoparticles and their use in anti-cancer treatments by intraperitoneal administration.
    Type: Grant
    Filed: March 27, 2019
    Date of Patent: November 7, 2023
    Assignees: SINTEF TTO AS, OSLO UNIVERSITETSSYKEHUS HF
    Inventors: Yrr Morch, Einar Sulheim, Kjersti Flatmark, Karianne Giller Fleten, Per Stenstad, Heidi Johnsen, Ruth Schmid
  • Publication number: 20220257525
    Abstract: Described herein is a hydrophobic anti-cancer drug encapsulated into poly (alkyl cyanoacrylate) nanoparticles and their use in cancer treatments by intracavitary rout of administration such as intraperitoneal administration.
    Type: Application
    Filed: September 24, 2021
    Publication date: August 18, 2022
    Inventors: Yrr MORCH, Ruth SCHMID, Einar SULHEIM, Per STENSTAD, Heidi JOHNSEN, Kjersti FLATMARK, Karianne Giller FLETEN
  • Publication number: 20210113482
    Abstract: The invention is related to the field nanoparticles and medical use. In particular, it relates to cabazitaxel (CBZ) as active ingredient encapsulated into poly (alkyl cyanoacrylate) nanoparticles for use in treatment of cancer.
    Type: Application
    Filed: March 27, 2019
    Publication date: April 22, 2021
    Inventors: Yrr Mørch, Ruth Schmid, Einar Sulheim, Per Stenstad, Heidi Johnsen, Kirsten Sandvig, Gunhild Mælandsmo, Tore Skotland, Kjersti Flatmark
  • Patent number: 10967039
    Abstract: A process for the preparation of targeting nanoparticles of a poly(alkyl cyanoacrylate) homopolymer or copolymer, wherein said method comprises, in a single step, the anionic polymerisation of an oil-in-water miniemulsion as herein defined. The invention also relates to nanoparticles produced from said process and to their use in medicine.
    Type: Grant
    Filed: May 28, 2014
    Date of Patent: April 6, 2021
    Assignee: SINTEF TTO AS
    Inventors: Ruth Schmid, Per Stenstad, Yrr Morch, Heidi Johnsen
  • Publication number: 20200061019
    Abstract: Described herein is a hydrophobic anti-cancer drug encapsulated into poly (alkyl cyanoacrylate) nanoparticles and their use in cancer treatments by intracavitary rout of administration such as intraperitoneal administration.
    Type: Application
    Filed: November 12, 2019
    Publication date: February 27, 2020
    Inventors: Yrr Morch, Einar Sulheim, KJersti Flatmark, Karianne Giller Fleten, Per Stenstad, Heidi Johnsen, Ruth Schmid
  • Publication number: 20200023073
    Abstract: The present invention is generally directed to improvements in the treatment of cancer and diseases in the central nervous system. A new drug delivery system is provided, method for producing it and medical uses.
    Type: Application
    Filed: September 29, 2017
    Publication date: January 23, 2020
    Inventors: YRR MORCH, RUNE HANSEN, RUTH SCHMID, HEIDI JOHNSEN, PER STENSTAD, ANDREAS ASLUND, SOFIE SNIPSTAD, SIGRID BERG, EINAR SULHEIM, CATHARINA DAVIES
  • Publication number: 20190298682
    Abstract: Described herein is an active ingredient encapsulated into poly (alkyl cyanoacrylate) nanoparticles and their use in anti-cancer treatments by intraperitoneal administration.
    Type: Application
    Filed: March 27, 2019
    Publication date: October 3, 2019
    Inventors: YRR MORCH, EINAR SULHEIM, KJERSTI FLATMARK, KARIANNE GILLER FLETEN, Per Stenstad, Heidi Johnsen, Ruth Schmid
  • Publication number: 20160129132
    Abstract: A process for the preparation of targeting nanoparticles of a poly(alkyl cyanoacrylate) homopolymer or copolymer, wherein said method comprises, in a single step, the anionic polymerisation of an oil-in-water miniemulsion as herein defined. The invention also relates to nanoparticles produced from said process and to their use in medicine.
    Type: Application
    Filed: May 28, 2014
    Publication date: May 12, 2016
    Applicant: Sinvent AS
    Inventors: Ruth Schmid, Per Stenstad, Yrr Morch, Heidi Johnsen
  • Patent number: 8038987
    Abstract: A process for the preparation of coated polymer particles containing superparamagnetic crystals, said process comprising reacting porous, surface-functionalized, superparamagnetic crystal-containing polymer particles of diameter 0.5 to 1.8 ?m with at least one polyisocyanate and at least one diol or at least one epoxide.
    Type: Grant
    Filed: November 27, 2006
    Date of Patent: October 18, 2011
    Assignee: Invitrogen Dynal AS
    Inventors: Geir Fonnum, Nini Kjus Hofsløkken, Elin Marie Aksnes, Lars Kilaas, Arvid Trygve Berge, Per Stenstad, Ruth Schmid, Jon Olav Bjorgum, Tom-Nils Nilsen
  • Publication number: 20070098639
    Abstract: A process for the preparation of coated polymer particles containing superparamagnetic crystals, said process comprising reacting porous, surface-functionalized, superparamagnetic crystal-containing polymer particles of diameter 0.5 to 1.8 ?m with at least one polyisocyanate and at least one diol or at least one epoxide.
    Type: Application
    Filed: November 27, 2006
    Publication date: May 3, 2007
    Inventors: Geir Fonnum, Nini Hofslokken, Elin Aksnes, Lars Kilaas, Arvid Berge, Per Stenstad, Ruth Schmid, Jon Bjorgum, Tom-Nils Nilsen
  • Patent number: 6986913
    Abstract: A process for the preparation of coated polymer particles containing superparamagnetic crystals, said process comprising reacting porous, surface-functionalized, superparamagnetic crystal-containing polymer particles of diameter 0.5 to 1.8 ?m with at least one polyisocyanate and at least one diol or at least one epoxide.
    Type: Grant
    Filed: April 28, 2004
    Date of Patent: January 17, 2006
    Assignee: Dynal Biotech ASA
    Inventors: Geir Fonnum, Nini Kjus Hofsløkken, Elin Marie Aksnes, Lars Kilaas, Arvid Trygve Berge, Per Stenstad, Ruth Schmid, Jon Olav Bjorgum, Tom-Nils Nilsen
  • Publication number: 20050147822
    Abstract: A process for the preparation of coated polymer particles containing superparamagnetic crystals, said process comprising reacting porous, surface-functionalized, superparamagnetic crystal-containing polymer particles of diameter 0.5 to 1.8 ?m with at least one polyisocyanate and at least one diol or at least one epoxide.
    Type: Application
    Filed: March 3, 2005
    Publication date: July 7, 2005
    Inventors: Geir Fonnum, Nini Kjus, Elin Aksnes, Lars Kilaas, Arvid Berge, Per Stenstad, Ruth Schmid, Jon Bjorgum, Tom-Nils Nilsen
  • Publication number: 20050014001
    Abstract: A process for the preparation of coated polymer particles containing superparamagnetic crystals, said process comprising reacting porous, surface-functionalized, superparamagnetic crystal-containing polymer particles of diameter 0.5 to 1.8 ?m with at least one polyisocyanate and at least one diol or at least one epoxide.
    Type: Application
    Filed: April 28, 2004
    Publication date: January 20, 2005
    Inventors: Geir Fonnum, Nini Kjus, Elin Aksnes, Lars Kilaas, Arvid Berge, Per Stenstad, Ruth Schmid, Jon Bjorgum, Tom-Nils Nilsen
  • Patent number: 5763203
    Abstract: The present invention provides a method of linking a target particle to an insoluble support, wherein said particle is bound support by means of a specific binding partner, characterized in that the linkage between said binding partner and said support comprises hydroxyboryl/cis-diol bond. The invention has particular utility in the immobilization and isolation of cells.
    Type: Grant
    Filed: September 18, 1995
    Date of Patent: June 9, 1998
    Assignee: Sinvent AS
    Inventors: John Ugelstad, Per Stenstad, Lars Kilaas, Arvid Berge