Helmut Ballhause

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Biberach, DE

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Patents Grantslast 30 patents

Information Patent Grant
Substituted 6-benzyl-2H-3,4,5,6-tetrahydro-(1,3)-oxazines
- Patent number 5,114,935
- Issue date May 19, 1992
- Dr. Karl Thomae GmbH
- Helmut Ballhause
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Quaternary 3,4-dihydro-isoquinolinium salts
- Patent number 4,678,792
- Issue date Jul 7, 1987
- Dr. Karl Thomae GmbH
- Josef Nickl
- C07 - ORGANIC CHEMISTRY