Leif G. Ahrgren

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Tierp, SE

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Patents Grantslast 30 patents

Information Patent Grant
N-heterocyclic substituted salicylic acids
- Patent number 5,556,855
- Issue date Sep 17, 1996
- Pharmacia AB
- Hubert Agback
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Substituted salicylic acids
- Patent number 5,403,930
- Issue date Apr 4, 1995
- Pharmacia AB
- Hubert Agback
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Compounds containing an amino salicylic acid moiety linked to a sul...
- Patent number 5,302,718
- Issue date Apr 12, 1994
- Kabi Pharmacia AB
- Hubert Agback
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for preparation of sulfated polysaccharides by treating the...
- Patent number 4,814,437
- Issue date Mar 21, 1989
- Pharmacia AB
- Anthony N. de Belder
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Shaped article and processes for its preparation
- Patent number 4,772,419
- Issue date Sep 20, 1988
- Pharmacia AB
- Tomas Malson
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Dextran or crosslinked dextran having quaternary amino groups
- Patent number 4,591,638
- Issue date May 27, 1986
- Pharmacia AB
- Leif G. Ahrgren
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...