Inventor · disambiguated record
Karl N. G. Johansson
Also filed as: JOHANSSON K NILS GUNNAR · JOHANSSON KARL N · JOHANSSON KARL N G · JOHANSSON KARL NILS GUNNAR
17 granted patents·376 citations·filing 1972–1995
95Inventor score
Top patents by PatentIndex Score
17 records- 0194US4386081APhosphonoformic acid esters and pharmaceutical compositions containing sameASTRA LAEKEMEDEL AB·Filed 1979·Granted May 31, 1983·45 cites·10 claims
- 0291US4591583APhosphonoformic acid esters and pharmaceutical compositions containing sameASTRA LAEKEMEDEL AB·Filed 1982·Granted May 27, 1986·34 cites·7 claims
- 0389US4495190ADerivatives of guanine for combating herpes virus infectionsASTRA LAEKEMEDEL AB·Filed 1982·Granted Jan 22, 1985·51 cites·32 claims
- 0486US5576429A5-substituted pyrimidine nucleosides and nucleotidesMEDIVIR AB·Filed 1995·Granted Nov 19, 1996·51 cites·14 claims
- 0584US5284837ADerivatives of purine, process for their preparation and a pharmaceutical preparationMEDIVIR AB·Filed 1989·Granted Feb 8, 1994·17 cites·15 claims
- 0677US5446029AAnti-retroviral activity of 2',3'-dideoxy-3'-fluoronucleosidesMEDIVIR AB·Filed 1993·Granted Aug 29, 1995·42 cites·3 claims
- 0775US5215971AAntiviral pharmaceutical composition comprising 5-substituted pyrimidine nucleosidesMEDIVIR AB·Filed 1991·Granted Jun 1, 1993·40 cites·15 claims
- 0873US4798833AGuanine derivativeASTRA LAEKEMEDEL AB·Filed 1987·Granted Jan 17, 1989·18 cites·3 claims
- 0970US5565461ADerivatives of purine, process for their preparation and a pharmaceutical preparationMEDIVIR AB·Filed 1995·Granted Oct 15, 1996·12 cites·3 claims
- 1069US5656617ADerivatives of purine, process for their preparation and a pharmaceutical preparationMEDIVIR AB·Filed 1995·Granted Aug 12, 1997·11 cites·3 claims
- 1169US5036071ADerivatives of purineMEDIVIR AB·Filed 1988·Granted Jul 30, 1991·15 cites·23 claims
- 1268US5409906Aα nucleoside compounds and a method for treating HBV using said compoundsMEDIVIR AB·Filed 1993·Granted Apr 25, 1995·21 cites·1 claims
- 1346US4536400APhosphonoformic acid estersASTRA LAEKEMEDEL AB·Filed 1982·Granted Aug 20, 1985·2 cites·44 claims
- 1445US5215970ANucleosides and nucleotide analogues, pharmaceutical composition and processes for the preparation of the compoundsMEDIVIR AB·Filed 1991·Granted Jun 1, 1993·10 cites·2 claims
- 1543US5506215A1-(3'-fluoro-2',3'-dideoxy-β-D-ribofuranosyl)-5-substituted pyrimidine nucleosidesMEDIVIR AB·Filed 1994·Granted Apr 9, 1996·5 cites·6 claims
- 1636US3944659AFolliculotropin releasing hormoneFOLKERS KARL·Filed 1972·Granted Mar 16, 1976·2 cites·4 claims
- 1730US6358934B1Anti-retroviral activity of 2′,3′-dideoxy-3′-fluoronucleosidesMEDIVIR AB·Filed 1989·Granted Mar 19, 2002·0 cites·21 claims
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