Gunter Lehr

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Krefeld, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process for carrying out reactions caused by the transport of subst...
- Patent number 4,472,558
- Issue date Sep 18, 1984
- Bayer Aktiengesellschaft
- Clemens Casper
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Continuous process for the hydrolytic production of polycaprolactam...
- Patent number 4,327,208
- Issue date Apr 27, 1982
- Bayer Aktiengesellschaft
- Gunter Lehr
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method for the separate discharge of the individual phase streams o...
- Patent number 4,312,642
- Issue date Jan 26, 1982
- Bayer Aktiengesellschaft
- Gunter Lehr
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Polybutylene terephthalates having a low carboxyl content and conti...
- Patent number 4,212,963
- Issue date Jul 15, 1980
- Bayer Aktiengesellschaft
- Gunter Lehr
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...