Virginia G. Johnson

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College Park, MD, US

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Patents Grantslast 30 patents

Information Patent Grant
Mutant diphtheria toxin conjugates
- Patent number 5,792,458
- Issue date Aug 11, 1998
- The United States of America as represented by the Department of Health and H...
- Virginia G. Johnson
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Treatment of tumors of the central nervous system with immunotoxins
- Patent number 5,728,383
- Issue date Mar 17, 1998
- The United States of America as represented by the Secretary of the Departmen...
- Virginia Johnson
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Immunotoxins for treatment of intracranial lesions and as adjunct t...
- Patent number 5,352,447
- Issue date Oct 4, 1994
- The United States of America as represented by the Secretary of the Departmen...
- Virginia Johnson
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Method of preparing diphtheria immunotoxins
- Patent number 5,208,021
- Issue date May 4, 1993
- The United States of America as represented by the Secretary of the Departmen...
- Virginia G. Johnson
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE