Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Benko; Pal
Address:
Budapest, HU
No. of patents:
26
Patents:












Patent Number Title Of Patent Date Issued
5216157 1,4,Dihydro-pyridine intermediates June 1, 1993
The invention relates to a process for the preparation of dimethyl-1,4-dihydro-2,6-dimethyl-4-(2'-nitro-phenyl)-pyridine-3,5-dicarbo xylate of the Formula I ##STR1## which comprises a) reacting a compound of the general Formula II ##STR2## (wherein n is 1 or 3; if n is 1, the
5126457 Process for the preparation of 1,4-dihydro-pyridine derivatives June 30, 1992
The invention is directed to processes for the preparation of dimethyl-1,4-dihydro-2,6-dimethyl-4-(2'-nitrophenyl)-pyridine-3,5-dicarbox ylate by reacting 1-methoxy-1-(2'-nitrophenyl)-N-(2'-nitrophenyl)methylene methanamie or 1-(2'-nitrophenyl)-N,N'-bis-(2'-nitrophenyl) methylene meth
4994448 Condensed quinolinium and isoquinolinium derivatives February 19, 1991
The new compounds of the general Formula I ##STR1## (wherein R.sub.1 stands for C.sub.1-4 alkyl or aralkyl; andR.sub.2 represents hydroxy; orR.sub.1 and R.sub.2 together form a valency bond;R.sub.3 is hydrogen, C.sub.1-4 alkyl, C.sub.1-4 alkoxy, phenyl, amino, alkylthio or a group of the
4883907 Carbazates November 28, 1989
The present invention relates to new carbazates of the formula (I) ##STR1## wherein A is C.sub.3 to C.sub.10 alkenyl, C.sub.2 to C.sub.10 haloalkyl, trifluoromethyl, phenyl-C.sub.1 to C.sub.3 alkyl, phenyl-C.sub.2 to C.sub.3 alkenyl, naphthyl-C.sub.1 to C.sub.3 alkyl, C.sub.3 to C.su
4871846 Process for the preparation of condensed as-triazine derivatives October 3, 1989
A process for the preparation of condensed as-triazinium derivatives of the formula I ##STR1## and isomers thereof, wherein R.sub.1 inter alia is an alkyl group, R.sub.2 inter alia is hydrogen or an alkyl group and R.sub.3 is hydrogen and where Z is a group of the formula a or b
4824670 Carbazates April 25, 1989
The present invention relates to new carbazates of the general formula (I), ##STR1## wherein A is C.sub.3-10 alkyl, C.sub.3-10 alkenyl, C.sub.2-10 haloalkyl, trifluoromethyl, phenyl-C.sub.1-3 alkyl, phenyl-C.sub.2-3 -alkenyl, naphthyl-C.sub.1-3 alkyl; phenyl optionally substituted by
4753938 Condensed as-triazine derivatives June 28, 1988
The invention relates to new compounds of the general Formula I ##STR1## and isomers thereof wherein R.sub.1 is C.sub.1-10 alkyl, C.sub.3-6 cycloalkyl or phenyl, naphthyl or phenyl-(C.sub.1-4 alkyl), wherein the aryl ring of the three latter groups may optionally bear one or more
4746678 Phenanthrene derivatives May 24, 1988
The invention relates to new phenanthrene derivatives wherein R stand for C.sub.1-10 alkylamino; C.sub.1-10 alkylthio; C.sub.1-5 alkoxy; or phenyl or phenylamino, the two latter groups being optionally substituted on the phenyl ring by one or more identical or different C.sub.1-4 alkyl,
4697013 Condensed as-triazine derivatives September 29, 1987
A one step process for the preparation of compounds having antidepressant activity of the formula I ##STR1## and isomers thereof, wherein R.sub.1, R.sub.2, Z and A.sup.- have the meanings indicated in the claims, which process comprises: heating a compound of the formula II
4618623 Carbazic acid derivatives, process for their preparation and compositions containing the same October 21, 1986
The invention relates to new carbazic acid derivatives, a process for the preparation thereof and compositions--particularly feed additives and animal feeds--containing the same. The new compounds according to the invention correspond to the formula (I)wherein R.sup.1 stands for a C.sub.
4602018 Condensed as-triazine derivatives July 22, 1986
The invention relates to new condensed as-triazine derivatives of the general Formula I ##STR1## and isomers thereof (wherein R.sub.1 stands for C.sub.1-10 alkyl or phenyl or naphthyl, wherein the two latter groups may be optionally substituted by one or more halogen, nitro, amin
4587261 Cycloalkane derivatives and fodder compositions containing the same May 6, 1986
The invention relates to new cycloalkane derivatives, a process for the preparation thereof and compositions--particularly feed additives and animal feeds--containing the same.The new compounds of the present invention correspond to the general formula I ##STR1## wherein n is 3,
4570002 Carbazic acid derivatives February 11, 1986
The invention relates to new carbazic acid derivatives, a process for the preparation thereof and compositions--particularly feed additives and animal feeds--containing the same.The new compounds according to the invention correspond to the formula (I)whereinR.sup.1 stands for a C.sub.7-12 c
4511717 2-Hydroxymethyl-quinoxaline-1,4-dioxide derivatives, a process for preparing same and compositio April 16, 1985
The invention relates to new 2-hydroxymethyl-quinoxaline-1,4-dioxide derivatives of the general formula (I) ##STR1## wherein A represents an amino group, or a group of the general formula --NH--COOR.sub.1, wherein R.sub.1 stands for a C.sub.2-4 alkyl group, or a group of the gene
4424351 Pyrido[3,4-e]-as-triazines January 3, 1984
Acylated pyrido [3,4-e]-as-triazines of the formula (I), ##STR1## wherein R.sub.1 stands for alkyl, alkoxy, haloalkyl, furyl, pyridyl, phenyl, phenyl-(C.sub.1-4 alkyl) or phyenyl-(C.sub.2-4 alkenyl) optionally substituted. R.sub.2 stands for hydrogen or a group of the formula R.sub.1
4419355 Condensed as-triazine derivatives and method of using the same December 6, 1983
The invention relates to new condensed as-triazine derivatives of the general formula (I) ##STR1## wherein Z represents a buta-1,3-dienyl group or a group of the formula (a), (b), (c) or (d) ##STR2## R.sub.1 denotes a C.sub.1-10 alkyl group, an oxo group or a C.sub.6-10 a
4409219 Quinoxaline-1,4-dioxide fodder suppliments October 11, 1983
The invention relates to new quinoxaline-1,4-derivatives of the general formula (I) and biologically acceptable salts thereof, ##STR1## wherein Q is a hydrogen atom or a methyl group,R.sub.1 represents a hydrogen atom, a cyano, lower alkanoyl or nitro group or a halogen atom,R.sub.2
4404204 Pyridazino[4,5-b]quinoxaline-5,10-dioxide derivatives, a process for preparing same and anti-mic September 13, 1983
The invention relates to fodder concentrates, fodder additives and fodders having antimicrobial and/or weight-gain increasing effects which comprise as active ingredient a new compound of the general formula (I) ##STR1## wherein R represents a C.sub.1-20 alkyl, a C.sub.1-6 alkoxy gro
4373101 Quinoxaline-2-yl ethenyl ketones February 8, 1983
The invention relates to novel quinoxaline-2-yl ethenyl ketones, their preparation and compositions containing them.The novel quinoxaline-2-yl ethenyl ketones of the general formula I ##STR1## wherein R.sub.1 represents an aryl group or a heterocyclic group comprising one or more nit
4373100 Methyl-quinoxaline-1,4-dioxide derivatives February 8, 1983
The invention relates to fodder additives, fodder concentrates and fodders with weight gain increasing and fodder utilization improving effects, which contain as active agent a new compound of the general formula (I), ##STR1## The invention also relates to a process for the preparati
4324894 Aminoisoquinoline derivatives April 13, 1982
Novel aminoisoquinoline derivatives of the general formula (I) ##STR1## wherein R.sub.1 represents a hydrogen atom or a C.sub.1-4 alkyl group,R.sub.2 represents a hydrogen atom,R.sub.3 represents a hydrogen atom,R.sub.4 represents a morpholinyl group or a piperazinyl group substituted wi
4324786 Pyrido[2,3-e]-as-triazine derivatives and pharmaceutical compositions April 13, 1982
New pyrido[2,3-e]-as-triazine derivatives of the general formula (I), ##STR1## wherein R.sup.1 and R.sup.2 each stand for a C.sub.1-20 alkylcarbonyl, halogenated (C.sub.1-4 alkyl)-carbonyl, C.sub.1-4 alkoxycarbonyl, benzoyl, phenyl-(C.sub.1-4 alkyl)-carbonyl or phenyl-(C.sub.2-4 alke
4320127 Pyrido[3,2-e]-as-triazines March 16, 1982
The invention relates to new pyrido[3,2-e]-as-triazine derivatives of the formula I and pharmaceutically acceptable acid addition salts thereof, ##STR1## wherein R.sub.1 stands for a C.sub.1-20 alkyl-carbonyl group, halogen-C.sub.1-4 alkyl-carbonyl, benzoyl, phenyl-C.sub.1-4 alky
4316022 Benzo-as-triazine derivatives February 16, 1982
The invention relates to new benzo-as-triazine derivatives of the formulae (I) and (Ia) and pharmaceutically acceptable acid addition salts thereof, ##STR1## wherein R.sub.1 and R.sub.2 each represent hydrogen, a C.sub.1-20 alkylcarbonyl group, a phenylcarbonyl or phenyl-(C.sub.1-4 a
4097668 2-[(P-Methoxy-benzoyl)-hydrazono-formyl]-quinoxaline-1,4-dioxide June 27, 1978
The invention provides 2-[(p-methoxy-benzoyl)-hydrazono-formyl]-quinoxaline-1,4-dioxide.This compound is indicated for use as a potent antibacterial agent having a low toxicity.
4091206 Quinoxaline-1,4-dioxide derivatives May 23, 1978
The invention relates to new quinoxaline-1,4-dione derivatives of the formula ##STR1## wherein R is pyridyl, 5-nitrofuryl or 1-naphthylmethyl group. The new compounds of formula I have weight-gain increasing effects.










 
 
  Recently Added Patents
LED lighting module
Routing of data including multimedia between electronic devices
Microfluidic system incorporating a metal impregnated nanoporous material in a microfluidic pathway thereof
Centralized behavioral information system
Pelvic registration device for medical navigation
Barrier layers comprising Ni-inclusive ternary alloys, coated articles including barrier layers, and methods of making the same
Treatment of celiac disease with IgA
  Randomly Featured Patents
Method and arrangement for demodulating an optical DPSK binary signal
Antidandruff shampoo composition having improved suspension properties
Image formation device
Bit buffer system
Surgical stapling apparatus with powered articulation
Repeater for soliton signal fiber optic transmission systems
Method of displaying the speed and distance on board a motor vehicle
Method for the fabrication of a magnetic recording/reading head from a magnetic substrate
Silver halide material comprising low stain antenna dyes
Moving picture editing method, moving picture editing system and storing medium with moving picture editing programs stored therein