Helmut Blum

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Dusseldorf-Holthausen, DT

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Patents Grantslast 30 patents

Information Patent Grant
Diphosphonoalkane carboxylic acids, process of preparation and meth...
- Patent number 4,077,997
- Issue date Mar 7, 1978
- Henkel Kommanditgesellschaft auf Aktien (Henkel KGaA)
- Helmut Blum
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Production of 1-hydroxy-alkane-1,1-diphosphonic acids
- Patent number 4,069,246
- Issue date Jan 17, 1978
- Henkel Kommanditgesellschaft auf Aktien
- Helmut Blum
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
1,3-Di-amino-alkane-1,1-diphosphonic acids and salts
- Patent number 4,064,164
- Issue date Dec 20, 1977
- Henkel Kommanditgesellschaft auf Aktien
- Helmut Blum
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
1-Hydroxy-3-amino-alkane-1,1-diphosphonic acids and salts
- Patent number 4,054,598
- Issue date Oct 18, 1977
- Henkel & Cie G.m.b.H.
- Helmut Blum
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Washing agent compositions and washing assistant composition contai...
- Patent number 3,965,024
- Issue date Jun 22, 1976
- Henkel & Cie G.m.b.H.
- Edmund Schmadel
- C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information Patent Grant
Method of treatment of calcium disorders using phosphonoalkane-poly...
- Patent number 3,962,433
- Issue date Jun 8, 1976
- Henkel & Cie G.m.b.H.
- Karl-Heinz Worms
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE