Inventor

Bela Stefko

Inventor

Budapest, HU

Overview

25→

Patents

1976–2002

Patent span

Chemistry

Primary field (CPC C)

Patents· 25 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

C07Dprimary

C07DHeterocyclic compounds24%

A61PSpecific therapeutic activity of chemical compounds or medicinal preparations15%

A01NPreservation of bodies of humans or animals or plants or parts thereof13%

A61KPreparations for medical, dental or toiletry purposes11%

C07CAcyclic or carbocyclic compounds11%

A61QSpecific use of cosmetics or similar toiletry preparations4%

C08BPolysaccharides4%

C12NMicroorganisms or enzymes4%

A01KAnimal husbandry2%

B01DSeparation2%

PatentTitleYear

6,458,774'Compositions containing hyaluronic acid associates and a process for preparing same'2002 6,348,190'Pharmaceutical compositions with antimicrobial activity'2002 5,472,950'Compositions containing cobalt hyaluronic acid complex'1995 5,312,622'Acaricidal compositions and process for preparing same'1994 5,218,119'Process for preparing the octahydro-indolo[2,3-a] quinolizine diester derivatives'1993 5,137,605'Process for dehydration of condensation reaction mixtures obtained by azeotropic distillation'1992 5,122,607'Racemic and optically active octahydro-indolo(2,3-a) tetrahydropyranyl (2,3-c) quinolizine diester derivatives and process for preparing the same'1992 4,985,463'Aminodiaryl sulfoxide derivatives, process for their preparation and pharmaceutical and pesticidal compositions containing them'1991 4,960,888'Preparation of 6-amino-1,2-dihydro-1-hydroxy-2-imino-4-piperidinopyrimidine compounds'1990 4,956,007'Nitraminodiaryl sulfoxide derivatives, process for their preparation and pharmaceutical and pesticidal compositions containing them'1990 4,859,682'2-Halogenated-8- and 1,8-substituted ergolenes'1989 4,839,362'Eburnamenine derivatives, pharmaceutical compositions and methods employing them and processes for their preparation'1989 4,831,194'Process for the preparation of nitrodiaryl sulfoxides'1989 4,816,587'Process for the preparation of 2-halogenated ergoline derivatives'1989 4,810,709'Nintrovincaminic acid derivatives having pharmaceutical utility'1989 4,780,537'Pyrimidine derivatives and process preparing the same'1988 4,758,666'Process for the preparation of an apovincaminol derivative'1988 4,735,946'Eburnane derivatives, process for their preparation and pharmaceutical compositions containing them'1988 4,710,323'Nitrodiaryl sulfoxide derivatives, process for their preparation and pharmaceutical and pesticidal compositions containing them as active ingredient'1987 4,697,017'Process for the preparation of 2-bromo-.alpha.-ergocryptine'1987 4,681,887'Pharmaceutical compositions with a neuroleptic action and process for preparing same'1987 4,657,859'Process for the treatment of fermentation broth containing vitamin B.sub.12 and other corrinoids and for the preparation of vitamin B.sub.12 concentrates'1987 4,334,910'Plant-protective and pest-control agent'1982 4,243,660'Composite insect attractant for male cabbage moths and a process for preparing its active agents'1981 3,938,259'Process for continuous drying of chemical products by milling-fluidisation'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–2002Patents assigned to RICHTER GEDEON VEGYESZET (21)· patent assignee history

1976–2002Based in Budapest, HU· patent location history

1981Patents assigned to EGYT GYOGYSZERVEGYESZETI GYAR (1)· patent assignee history

1987Patents assigned to JAKSA ISTVAN (1)· patent assignee history

1987Patents assigned to KELEMEN AGNES (1)· patent assignee history

1992Patents assigned to RICHTER GEDEON VEGYESCZETI GYA (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
RICHTER GEDEON VEGYESZET	21	1976–2002
EGYT GYOGYSZERVEGYESZETI GYAR	1	1981
JAKSA ISTVAN	1	1987
KELEMEN AGNES	1	1987
RICHTER GEDEON VEGYESCZETI GYA	1	1992

Locations

Location	Patents	Span
Budapest, HU	25	1976–2002