Leonard Cook

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Newark, DE, US

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Patents Grantslast 30 patents

Information Patent Grant
4-aryl-4-piperidine (or pyrrolidine or hexahydroazepine) carbinols...
- Patent number 5,086,063
- Issue date Feb 4, 1992
- Du Pont Merck Pharmaceutical Company
- Engelbert Ciganek
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
4-aryl-4-piperidine (or pyrrolidine or hexahydroazepine) carbinols...
- Patent number 5,019,650
- Issue date May 28, 1991
- E. I. Du Pont de Nemours and Company
- Engelbert Ciganek
- C07 - ORGANIC CHEMISTRY