Rudolf Stephan

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Troisdorf-Sieglar, DT

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Patents Grantslast 30 patents

Information Patent Grant
Method of rectifying solvents of the chlorinated hydrocarbon series
- Patent number 4,080,393
- Issue date Mar 21, 1978
- Dynamit Nobel Aktiengesellschaft
- Kurt Deselaers
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Stabilization of 1,1,1-trichloroethane with a four component system
- Patent number 4,069,265
- Issue date Jan 17, 1978
- Dynamit Nobel Aktiengesellschaft
- Hermann Richtzenhain
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Stabilization of 1,1,1-trichloroethane with a three component system
- Patent number 3,959,397
- Issue date May 25, 1976
- Dynamit Nobel Aktiengesellschaft
- Hermann Richtzenhain
- C07 - ORGANIC CHEMISTRY