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.

Date of Patent:
Apr. 09, 1991

Filed:

Mar. 26, 1987
Applicant:
Inventors:

Florentina S Sanchez, Madrid, ES;

Victor R Susan, Madrid, ES;

Laura Carramolino-Fitera, Madrid, ES;

Agustin P Ortega, Madrid, ES;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C12N / ; C12N / ; C12N / ; C12Q / ;
U.S. Cl.
CPC ...
435254 ; 435 34 ; 435 91 ; 435171 ; 4351721 ; 4351723 ; 4353201 ; 435911 ; 435933 ; 435935 ; 536 27 ; 935-6 ; 935-9 ; 935 10 ; 935 11 ; 935 14 ; 935 22 ; 935 23 ; 935 24 ; 935 27 ; 935 55 ; 935 59 ; 935 68 ;
Abstract

A drug resistant strain of P.chrysogenum has said drug resistance conferred by heterologous DNA, in particular a heterologous gene(s) under the control of a Penicillium control sequence(s). Drug resistance is especially to sulfonamides, or to trimethoprim or methotrexate by a gene derived from plasmid R388. A vector capable of conferring resistance to methotrexate or sulfonamide on P.chrysogenum, comprises at least one said resistance gene under the control of trpC controlling sequences.


Find Patent Forward Citations

Sanchez, Florentina. (1991). Fungal resistance markers (U.S. Patent No. 5006471). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5006471

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