Inventor

CIGANEK ENGELBERT

US19 patents

⚠️ This page may combine multiple inventors who share the name “CIGANEK ENGELBERT”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

CIGANEK ENGELBERT

DU PONT

4-Aryl-4-piperidinecarbinols

Certain tetrahydropyridine intermediates

Octahydro-1H-benzo[4,5]furo[3,2-e]-isoquinoline analgesic and narcotic antagonistic compounds

Alkoxyalkyl and alkylmercaptoalkyl substituted bridged benzofuroisoquinolines having opioid antagonist and/or appetite-controlling properties

Octahydro-4A,7-ethano- and -etheno-benzofuro[3,2-e]isoquinoline derivatives having analgesic, narcotic antagonist and anorexigenic properties

4-aryl-4-piperidine (or pyrrolidine or hexahydroazepine) carbinols and heterocyclic analogs thereof

Imide intermediates for the preparation of analgesic and/or antagonist octahydrobenzofuroisoquinolines

Intermediates for octahydrobenzofuro[3,2-e]isoquinolines

Intermediates for the preparation of octahydro-1H-benzo[4,5]furo[3,2,-e]-isoquinoline analgesic and narcotic antagonistic compounds

Methanodibenzocycloheptapyrroles

Ethenoanthracenes

Alkylmethanodibenzocycloheptapyrroles

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

DU PONT MERCK PHARMA

Hydroisoindolines and hydroisoquinolines as psychotropic drugs

Hydroisoindolines and hydroisoquinolines as psychotropic

4-aryl-4-piperidine (or pyrrolidine or hexahydroazepine) carbinols and heterocyclic analogs thereof

(N-phthalimidoalkyl) piperidines useful as treatments for psychosis

(N-phthalimidoalkyl)piperidines

Process for the preparation of tertiary carbinamines