The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 17, 2026
Filed:
May. 25, 2018
Universidad DE LA Frontera, Temuco, CL;
Raul Segundo Sanchez Gutierrez, Temuco, CL;
Mabel Andrea Schulz Rubilar, Temuco, CL;
Juan Jesus Alvarez Gonzalez, A Coruna, ES;
Albert Obradors Cherta, Figueres, ES;
Enrique Oquinena Muguerza, Vitoria-Gasteiz, ES;
UNIVERSIDAD DE LA FRONTERA, Temuco, CL;
Abstract
A method for human sperm vitrification is disclosed, which includes providing liquefied human sperm; having a vitrification medium, where the vitrification medium has (a) a sperm buffer, and (b) a cryoprotectant mixture including a permeable cryoprotectant and a non-permeable cryoprotectant; mixing the liquefied sperm with the vitrification medium; providing a sperm straw and loading the straw with 0.25 to 0.5 mL of the obtained mixture; sealing the straw with heat; and placing the straw vertically in a container with liquid nitrogen to vitrify the mixture. A portable kit is also disclosed, which makes it easy to implement the method. The kit includes a vitrification medium, some straws, a container, usage instructions, among others.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile