Johansson; Karl N.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Johansson; Karl N..The latest application filed is for "phosphonoformic acid esters and pharmaceutical compositions containing same".
- Johansson; Karl N. - Enhorna SE
| Patent | Date |
|---|---|
| Phosphonoformic acid esters and pharmaceutical compositions containing same Grant 4,591,583 - Helgstrand , et al. May 27, 1 | 1986-05-27 |
| Derivatives of guanine for combating herpes virus infections Grant 4,495,190 - Hagberg , et al. January 22, 1 | 1985-01-22 |
| Phosphonoformic acid esters and pharmaceutical compositions containing same Grant 4,386,081 - Helgstrand , et al. May 31, 1 | 1983-05-31 |
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