Patents Assigned to SPERMVITAL AS
  • Functionalized kit for preparing hydrogels
    Patent number: 11957123
    Abstract: The present invention relates to a kit suitable for preparing a sustained release composition, in particular for preparing a sustained release composition comprising spermatozoa embedded within an alginate matrix.
    Type: Grant
    Filed: June 4, 2019
    Date of Patent: April 16, 2024
    Assignee: SpermVital AS
    Inventors: Elisabeth Kommisrud, Anne Hege Alm-Kristiansen, Geir Klinkenberg, Lars Kilaas, Wilhelm Robert Glomm, Eugenia Mariana Sandru, Heidi Johnsen
  • Methods for the preparation of hydrogels
    Patent number: 10041059
    Abstract: The present invention relates to an improved method for preparing hydrogels, such as alginate hydrogels. The hydrogels of the present invention is in particular useful for immobilization and preservation of biological material, such as cellular material, e.g. spermatozoa.
    Type: Grant
    Filed: January 16, 2017
    Date of Patent: August 7, 2018
    Assignee: SPERMVITAL AS
    Inventors: Geir Klinkenberg, Kjell Domaas Josefsen, Elisabeth Kommisrud
  • Methods for the preparation of hydrogels using lipase enzymes
    Patent number: 9578871
    Abstract: The present invention relates to an improved method for preparing hydrogels, such as alginate hydrogels. The hydrogels of the present invention is in particular useful for immobilization and preservation of biological material, such as cellular material, e.g. spermatozoa.
    Type: Grant
    Filed: November 23, 2012
    Date of Patent: February 28, 2017
    Assignee: SPERMVITAL AS
    Inventors: Geir Klinkenberg, Kjell Domaas Josefsen, Elisabeth Kommisrud
  • Preservation and Controlled Delivery / Release of Spermatozoa
    Publication number: 20100041941
    Abstract: The present invention relates to biopolymer particles for preservation of spermatozoa, wherein the spermatozoa are embedded within the biopolymer particle. The present invention also regards a method for preservation, storage and controlled delivery/release of spermatozoa, and the use of the biopolymer particles according to the present invention in breeding.
    Type: Application
    Filed: July 3, 2007
    Publication date: February 18, 2010
    Applicant: SPERMVITAL AS
    Inventors: Elisabeth Kommisrud, Per Ola Hofmo, Geir Klinkenberg