Ralf Janda

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Bad Homburg, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process for preparing a pasty dental material which is an organopol...
- Patent number 5,248,706
- Issue date Sep 28, 1993
- Degussa Aktiengesellschaft
- Peter Panster
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Pasty dental material which is an organopolysilane filler combined...
- Patent number 5,219,899
- Issue date Jun 15, 1993
- Degussa Aktiengesellschaft
- Peter Panster
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Pasty dental material
- Patent number 5,132,337
- Issue date Jul 21, 1992
- Degussa Aktiengesellschaft
- Peter Panster
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Thermosetting dental materials
- Patent number 4,866,146
- Issue date Sep 12, 1989
- Degussa Aktiengesellschaft
- Ralf Janda
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Photopolymerizable phosphate-containing adhesion promoting dental c...
- Patent number 4,640,936
- Issue date Feb 3, 1987
- Kulzer & Co. GmbH
- Ralf Janda
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Photopolymerizable adhesion promoting dental composition
- Patent number 4,636,533
- Issue date Jan 13, 1987
- Kulzer & Co. GmbH
- Ralf Janda
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...