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:
Jun. 01, 1993
Filed:
May. 11, 1992
Applicant:
Inventors:
Jerzy Paszkowski, Herrliberg, CH;
Gabor Lazar, Belmont, MA (US);
Hideaki Shinshi, Tsuchiura, JP;
Isabelle Rauseo, Morschwiller-les-Bas, FR;
Thomas Hohn, Arlesheim, CH;
Ingo Potrykus, Magden, CH;
Assignee:
Ciba-Geigy Corporation, Ardsley, NY (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C12N / ; C12N / ; C12N / ; C12N / ; C12N / ; A01H / ;
U.S. Cl.
CPC ...
4351723 ; 4351721 ; 4352351 ; 435236 ; 4352404 ; 43524047 ; 43524054 ; 800205 ; 935 25 ; 935 57 ; 935 67 ;
Abstract
A process for the maintenance and proliferation of defective, non-infectious viruses or virus genomes, comprising mutations, i.e. deletions, substitutions, insertions and new rearrangements of the viral genes or combinations of the virus DNA with heterologous genetic material in proliferating plant material and for the regeneration of whole plants containing stably integrated into their genome said defective, non-infectious virus DNA.