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:
Apr. 02, 1996
Filed:
Feb. 03, 1994
Applicant:
Inventor:
Yoshito Aoyagi, Tsuchiura, JP;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A01N / ; C12N / ; A61B / ; A61D / ;
U.S. Cl.
CPC ...
4352402 ; 435-13 ; 435-2 ; 600 33 ; 600 34 ; 600 35 ;
Abstract
A method for freezing bovine embryos with a composition which includes 4% ethylene glycol and 4% propanediol and in addition 4% bovine serum albumin containing a high lipid content is disclosed. The mixture is subjected to freezing and used in a method for reproducing cattle by transferring to a cow recipient directly after thawing the preserved embryos. Further, a high lipid content is disclosed as 2.5 ug or more of lipid/mg of bovine serum albumin. The bovine embryos are obtained by in vivo fertilization or by in vitro fertilization for use in the disclosed methods.