Alfred Schmidt

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Patents Grantslast 30 patents

Information Patent Grant
Continuous process for recovering pure, concentrated ammonia
- Patent number 4,060,591
- Issue date Nov 29, 1977
- Metallgesellschaft Aktiengesellschaft
- Alfred Garber
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Recovery of guanidine carbonate from aqueous solutions
- Patent number 3,984,471
- Issue date Oct 5, 1976
- Chemie Linz Aktiengesellschaft
- Ferdinand Weinrotter
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of guanidine carbonate
- Patent number 3,952,057
- Issue date Apr 20, 1976
- Chemie Linz AG
- Alfred Schmidt