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:
Mar. 29, 2005
Filed:
May. 16, 2002
Applicants:
Dong Ryul Lee, Seoul, KR;
Michael T. Kaproth, Ithaca, NY (US);
John E. Parks, Ithaca, NY (US);
Inventors:
Assignee:
Cornell Research Foundation, Inc., Ithaca, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C12N005/06 ; C12N005/08 ; A01N001/02 ;
U.S. Cl.
CPC ...
Abstract
The present invention relates to a method of in vitro spermatogenesis involving Sertoli cells and diploid germ cells from a testis of a male mammal to yield differentiated haploid spermatids. The present invention also relates to spermatids produced by the method described above, where the spermatids are haploid. The present invention also involves a method of overcoming male infertility in mammals involving the use of the haploid round spermatids produced by the in vitro spermatogenesis method of the present invention. The present invention also relates to isolated haploid spermatids.