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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.:

US 5140013 B1

PDFFull Text
Date of Patent:
Aug. 18, 1992

Filed:

Nov. 28, 1989

Maleic anhydride derivatives used as conjugation agents of anti-tumor

Applicant:
Inventors:

Rene C Gaudreault, Berniere, CA;

Colette Mongrain, Ste-Thecle, CA;

Assignee:

Universite Laval, Quebec, CA;

Attorney:

Dressler, Goldsmith, Shore, Sutker & Milnamow, Ltd.

Primary Examiner:

Christine Nucker

Assistant Examiner:

Kay K Kim

Int. Cl.
CPC ...
A61K / ; A61K / ; C07K / ;
U.S. Cl.
CPC ...
514 21 ; 514 12 ; 514-8 ; 530363 ; 530327 ; 530345 ; 5303919 ; 530395 ; 530399 ; 530405 ; 530406 ; 530408 ; 530409 ; 424 8591 ;
Abstract

The present invention relates to anti-tumor-conjugation agent-protein compounds of the general formula I: ##STR1## wherein, R.sub.1 and R.sub.2 are each independently selected from hydrogen atom, C.sub.1-4 alkyl, C.sub.1-4 alkoxy, C.sub.1-6 carboxyalkyl, phenyl, or phenyl substituted by at least one of hydroxy, halogen, lower alkyl, lower alkoxy, or nitro, with the proviso that R.sub.1 and R.sub.2 cannot be simultaneously a hydrogen, and when one of R.sub.1 or R.sub.2 is a hydrogen, the other one cannot be --CH.sub.2 COOH;

Find Patent Forward Citations

Gaudreault, Rene. (1992). Maleic anhydride derivatives used as conjugation agents of anti-tumor (U.S. Patent No. 5140013). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5140013

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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