Engelbert Ciganek

Person

Kennett Square, PA, US

People

Patents Grantslast 30 patents

Information Patent Grant
(N-phthalimidoalkyl)piperidines
- Patent number 5,480,892
- Issue date Jan 2, 1996
- The Du Pont Merck Pharmaceutical Company
- Engelbert Ciganek
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Hydroisoindolines and hydroisoquinolines as psychotropic drugs
- Patent number 5,409,929
- Issue date Apr 25, 1995
- The Dupont Merck Pharmaceutical Company
- Engelbert Ciganek
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
(N-phthalimidoalkyl) piperidines useful as treatments for psychosis
- Patent number 5,356,906
- Issue date Oct 18, 1994
- The Du Pont Merck Pharmaceutical Company
- Engelbert Ciganek
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of tertiary carbinamines
- Patent number 5,306,821
- Issue date Apr 26, 1994
- The Du Pont Merck Pharmaceutical Company
- Engelbert Ciganek
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Hydroisoindolines and hydroisoquinolines as psychotropic
- Patent number 5,216,018
- Issue date Jun 1, 1993
- Du Pont Merck Pharmaceutical Company
- Engelbert Ciganek
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
4-aryl-4-piperidine (or pyrrolidine or hexahydroazepine) carbinols...
- Patent number 5,086,063
- 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
Information Patent Grant
Alkoxyalkyl and alkylmercaptoalkyl substituted bridged benzofuroiso...
- Patent number 4,767,764
- Issue date Aug 30, 1988
- E. I. Du Pont de Nemours and Company
- Engelbert Ciganek
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Imide intermediates for the preparation of analgesic and/or antagon...
- Patent number 4,751,306
- Issue date Jun 14, 1988
- E. I. Du Pont de Nemours and Company
- Engelbert Ciganek
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Intermediates for octahydrobenzofuro[3,2-e]isoquinolines
- Patent number 4,579,952
- Issue date Apr 1, 1986
- E. I. Du Pont de Nemours and Company
- Engelbert Ciganek
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
4-Aryl-4-piperidinecarbinols
- Patent number 4,485,109
- Issue date Nov 27, 1984
- E. I. Du Pont de Nemours and Company
- Engelbert Ciganek
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Octahydro-4A,7-ethano- and -etheno-benzofuro[3,2-e]isoquinoline der...
- Patent number 4,477,456
- Issue date Oct 16, 1984
- E. I. Du Pont de Nemours and Company
- Engelbert Ciganek
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Certain tetrahydropyridine intermediates
- Patent number 4,415,736
- Issue date Nov 15, 1983
- E. I. Du Pont de Nemours & Co.
- Engelbert Ciganek
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Intermediates for the preparation of octahydro-1H-benzo[4,5]furo[3,...
- Patent number 4,260,761
- Issue date Apr 7, 1981
- E. I. Du Pont de Nemours and Company
- Engelbert Ciganek
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Octahydro-1H-benzo[4,5]furo[3,2-e]-isoquinoline analgesic and narco...
- Patent number 4,243,668
- Issue date Jan 6, 1981
- E. I. Du Pont de Nemours and Company
- Engelbert Ciganek
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Methanodibenzocycloheptapyrroles
- Patent number 4,088,772
- Issue date May 9, 1978
- E. I. Du Pont de Nemours and Company
- Engelbert Ciganek
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Ethenoanthracenes
- Patent number 4,077,977
- Issue date Mar 7, 1978
- E. I. Du Pont de Nemours and Company
- Engelbert Ciganek
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Alkylmethanodibenzocycloheptapyrroles
- Patent number 4,076,830
- Issue date Feb 28, 1978
- E. I. Du Pont de Nemours and Company
- Engelbert Ciganek
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
N-cycloalkyl substituted-10,11-dihydro 5H-dibenzo[a,d] cyclohepten-...
- Patent number 3,954,865
- Issue date May 4, 1976
- E. I. Du Pont de Nemours and Company
- Engelbert Ciganek
- C07 - ORGANIC CHEMISTRY

Engelbert Ciganek

Person

Patents Grantslast 30 patents

(N-phthalimidoalkyl)piperidines

Hydroisoindolines and hydroisoquinolines as psychotropic drugs

(N-phthalimidoalkyl) piperidines useful as treatments for psychosis

Process for the preparation of tertiary carbinamines

Hydroisoindolines and hydroisoquinolines as psychotropic

4-aryl-4-piperidine (or pyrrolidine or hexahydroazepine) carbinols...

4-aryl-4-piperidine (or pyrrolidine or hexahydroazepine) carbinols...

Alkoxyalkyl and alkylmercaptoalkyl substituted bridged benzofuroiso...

Imide intermediates for the preparation of analgesic and/or antagon...

Intermediates for octahydrobenzofuro[3,2-e]isoquinolines

4-Aryl-4-piperidinecarbinols

Octahydro-4A,7-ethano- and -etheno-benzofuro[3,2-e]isoquinoline der...

Certain tetrahydropyridine intermediates

Intermediates for the preparation of octahydro-1H-benzo[4,5]furo[3,...

Octahydro-1H-benzo[4,5]furo[3,2-e]-isoquinoline analgesic and narco...

Methanodibenzocycloheptapyrroles

Ethenoanthracenes

Alkylmethanodibenzocycloheptapyrroles

N-cycloalkyl substituted-10,11-dihydro 5H-dibenzo[a,d] cyclohepten-...