Fritz Meininghaus

Follow

Person

Dortmund, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Method of processing waste sludge from wet phosphoric acid purifica...
- Patent number RE31179
- Issue date Mar 15, 1983
- Uhde GmbH
- Peter Meurer
- 071 - Chemistry: fertilizers
Information Patent Grant
Method of processing waste sludge from wet phosphoric acid purifica...
- Patent number 4,300,939
- Issue date Nov 17, 1981
- Uhde GmbH
- Martin Hater
- C05 - FERTILISERS MANUFACTURE THEREOF
Information Patent Grant
Method of processing waste sludge from wet phosphoric acid purifica...
- Patent number 4,257,898
- Issue date Mar 24, 1981
- Uhde GmbH
- Peter Meurer
- C05 - FERTILISERS MANUFACTURE THEREOF
Information Patent Grant
Method for preheating the oxygen in an oxygen steel making process
- Patent number 4,207,094
- Issue date Jun 10, 1980
- Hoesch Werke Aktiengesellschaft
- Arnulf Diener
- C21 - METALLURGY OF IRON