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:
Sep. 14, 1999
Filed:
Nov. 07, 1997
Applicant:
Inventors:
Brian G Wowk, Winnepeg, CA;
Michael G Federowicz, Riverside, CA (US);
Sandra R Russell, Solana Beach, CA (US);
Steven B Harris, Salt Lake City, UT (US);
Assignee:
21st Century Medicine, Inc., Rancho Cucamonga, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A01N / ;
U.S. Cl.
CPC ...
435-13 ; 435-12 ; 435-2 ;
Abstract
A method of cryopreserving biological material by administering a cryoprotective agent mixture is provided. The mixture must be produced in a concentration sufficient to permit vitrification. The cryoprotective agent is an alkoxylated organic compound. The method includes administering the cryoprotective agent mixture and cooling the biological material until it is vitrified. Preferred cryoprotective mixtures contain 3 methoxy-1,2 propanediol and 2-methoxy ethanol.