Inventor

STEFKO BELA

HU27 patents

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

STEFKO BELA

RICHTER GEDEON VEGYESZET

Pharmaceutical compositions with antimicrobial activity

Process for the preparation of 2-bromo-α-ergocryptine

Pharmaceutical compositions with a neuroleptic action and process for preparing same

Process for the preparation of 2-halogenated ergoline derivatives

Process for continuous drying of chemical products by milling-fluidisation

Use of zinc hyaluronate against peptic ulcer

Compositions containing hyaluronic acid associates and a process for preparing same

Plant-protective and pest-control agent

Alkylamino-furanon-derivatives

Compositions containing cobalt hyaluronic acid complex

Process for the preparation of nitrodiaryl sulfoxides

Pyrimidine derivatives and process preparing the same

Process for preparing the octahydro-indolo[2,3-a] quinolizine diester derivatives

Acaricidal compositions and process for preparing same

Process for dehydration of condensation reaction mixtures obtained by azeotropic distillation

Aminodiaryl sulfoxide derivatives, process for their preparation and pharmaceutical and pesticidal compositions containing them

Nitrodiaryl sulfoxide derivatives, process for their preparation and pharmaceutical and pesticidal compositions containing them as active ingredient

Eburnane derivatives, process for their preparation and pharmaceutical compositions containing them

2-Halogenated-8- and 1,8-substituted ergolenes

Preparation of 6-amino-1,2-dihydro-1-hydroxy-2-imino-4-piperidinopyrimidine compounds

Process for the preparation of an apovincaminol derivative

Nitraminodiaryl sulfoxide derivatives, process for their preparation and pharmaceutical and pesticidal compositions containing them

EGYT GYOGYSZERVEGYESZETI GYAR

Composite insect attractant for male cabbage moths and a process for preparing its active agents

CHEMICAL WORKS OF RICHTER GEDE

Method of treating crural or decubitus ulcer with zinc hyaluroric acid complex

RICHTER GEDEON VEGYESCZETI GYA

Racemic and optically active octahydro-indolo(2,3-a) tetrahydropyranyl (2,3-c) quinolizine diester derivatives and process for preparing the same

KELEMEN AGNES

Process for the treatment of fermentation broth containing vitamin B12 and other corrinoids and for the preparation of vitamin B12 concentrates

RICHTER GEDEON VEGYESZEFI GYAR

Nintrovincaminic acid derivatives having pharmaceutical utility