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. 23, 1999
Filed:
May. 15, 1998
Applicant:
Inventors:
Dwight T Tomes, Cumming, IA (US);
Arthur Weissinger, Raleigh, NC (US);
John C Sanford, Geneva, NY (US);
Theodore M Klein, Wilmington, DE (US);
Assignee:
Pioneer Hi-Bred International, Inc., Johnston, IA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C12N / ; C12N / ;
U.S. Cl.
CPC ...
800293 ; 800278 ; 435470 ; 435468 ;
Abstract
Fertile, stably transformed Zea mays plants can be produced by introducing agronomic trait-encoding DNA, via microprojectile bombardment, into maize embryonic callus or suspension culture that has been broken into clumps having a maximum diameter of about 650 microns, where the bombardment is effected within six days of the formation of the clumps.