Helmut Harth

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Mainz, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process and composition for the remineralization and prevention of...
- Patent number 4,397,837
- Issue date Aug 9, 1983
- Blendax-Werke R. Schneider GmbH & Co.
- Helmut Raaf
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Toothpaste active against plaque comprising a copper compound and a...
- Patent number 4,339,429
- Issue date Jul 13, 1982
- Blendax-Werke R. Schneider GmbH & Co.
- Helmut Raaf
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Toothpaste active against plaque comprising a copper compound and a...
- Patent number 4,332,791
- Issue date Jun 1, 1982
- Blendax-Werke R. Schneider GmbH & Co.
- Helmut Raaf
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Toothpaste with zeolite polishing agent
- Patent number 4,209,504
- Issue date Jun 24, 1980
- Blendax-Werke R. Schneider GmbH & Co.
- Helmut Harth
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Non-corrosive toothpaste
- Patent number 4,193,987
- Issue date Mar 18, 1980
- Blendax-Werke R. Schneider GmbH & Co.
- Helmut Harth
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Cleaning agents for dentures
- Patent number 4,181,621
- Issue date Jan 1, 1980
- Blendax-Werke R. Schneider & Co.
- Helmut Raaf
- C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...