Patents by Inventor István Szabadkai
István Szabadkai has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
-
Publication number: 20170240522Abstract: The present invention relates to benzothiophene, benzyloxybenzylidene and indoline-2-one derivatives and the use of said derivatives in the treatment and/or prevention of tuberculosis.Type: ApplicationFiled: September 15, 2015Publication date: August 24, 2017Inventors: Jan RYBNIKER, Stewart COLE, György KERI, László ORFI, János PATO, István SZABADKAI, Péter BANHEGYI, Zoltán GREFF, Péter MARKO
-
Patent number: 9206130Abstract: Novel compounds which are inhibitors of receptor tyrosine kinases of the AXL receptor family are described herein. These compounds are suitable for the treatment or prevention of disorders associated with, accompanied by or caused by hyperfunction of a receptor of the AXL family. The compounds are suitable for the treatment of hyperproliferative disorders, such as cancer, particularly cancer metastases.Type: GrantFiled: April 16, 2009Date of Patent: December 8, 2015Assignee: Max-Planck-Gesellschaft zur Förderung der Wissenschaften E.V.Inventors: Axel Ullrich, Pjotr Knyazev, Yixiang Zhang, Kéri György, László Örfi, István Szabadkai
-
Patent number: 9169241Abstract: The present invention relates to quinolinyloxyphenylsulfonamides and stereoisomeric forms, solvates, hydrates and/or pharmaceutically acceptable salts of these quinolinyloxyphenylsulfonamide compounds as well as pharmaceutical compositions containing at least one of these compounds together with at least one pharmaceutically acceptable carrier, excipient and/or diluent. Said quinolinyloxyphenylsulfonamides are useful for prophylaxsis, treatment and/or after-treatment of hyperproliferative disorders, such as cancer, tumors and particularly cancer metastases.Type: GrantFiled: March 10, 2014Date of Patent: October 27, 2015Assignee: Max-Planck-Gesellschaft Zur Forderung der Wissenschaften E.V.Inventors: Axel Ullrich, Robert Torka, Yixiang Zhang, György Kéri, László Örfi, István Szabadkai
-
Publication number: 20140336191Abstract: The present invention relates to quinolinyloxyphenylsulfonamides and stereoisomeric forms, solvates, hydrates and/or pharmaceutically acceptable salts of these quinolinyloxyphenylsulfonamide compounds as well as pharmaceutical compositions containing at least one of these compounds together with at least one pharmaceutically acceptable carrier, excipient and/or diluent. Said quinolinyloxyphenylsulfonamides are useful for prophylaxsis, treatment and/or after-treatment of hyperproliferative disorders, such as cancer, tumors and particularly cancer metastases.Type: ApplicationFiled: March 10, 2014Publication date: November 13, 2014Inventors: Axel Ullrich, Robert Torka, Yixiang Zhang, György Kéri, László Örfi, István Szabadkai
-
Patent number: 8685971Abstract: The present invention relates to quinolinyloxyphenylsulfonamides and stereoisomeric forms, solvates, hydrates and/or pharmaceutically acceptable salts of these quinolinyloxyphenylsulfonamide compounds as well as pharmaceutical compositions containing at least one of these compounds together with at least one pharmaceutically acceptable carrier, excipient and/or diluent. Said quinolinyloxyphenylsulfonamides are useful for prophylaxsis, treatment and/or after-treatment of hyperproliferative disorders, such as cancer, tumors and particularly cancer metastases.Type: GrantFiled: October 16, 2010Date of Patent: April 1, 2014Assignee: Max-Planck-Gesellschaft zur Forderung der Wissenschaften E.V.Inventors: Axel Ullrich, Robert Torka, Yixiang Zhang, György Kéri, László Örfi, István Szabadkai
-
Publication number: 20120277231Abstract: The present invention relates to quinolinyloxyphenylsulfonamides and stereoisomeric forms, solvates, hydrates and/or pharmaceutically acceptable salts of these quinolinyloxyphenylsulfonamide compounds as well as pharmaceutical compositions containing at least one of these compounds together with at least one pharmaceutically acceptable carrier, excipient and/or diluent. Said quinolinyloxyphenylsulfonamides are useful for prophylaxsis, treatment and/or after-treatment of hyperproliferative disorders, such as cancer, tumors and particularly cancer metastases.Type: ApplicationFiled: October 16, 2010Publication date: November 1, 2012Inventors: Axel Ullrich, Robert Torku, Yixiang Zhang, György Kéri, László Örfi, István Szabadkai
-
Publication number: 20110092503Abstract: Novel compounds which are inhibitors of receptor tyrosine kinases of the AXL receptor family are described herein. These compounds are suitable for the treatment or prevention of disorders associated with, accompanied by or caused by hyperfunction of a receptor of the AXL family. The compounds are suitable for the treatment of hyperproliferative disorders, such as cancer, particularly cancer metastases.Type: ApplicationFiled: April 16, 2009Publication date: April 21, 2011Inventors: Axel Ullrich, Pjotr Knyazev, Yixiang Zhang, Kéri György, László Örfi, István Szabadkai
-
Publication number: 20070275962Abstract: Described are heterobicyclic compounds such as 4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxylic acid amides, 4,7-dihydro-5H-thieno[2,3-c]thiopyran 3-carboxylic acid amides, 4,7-dihydro-5H-thieno[2,3-c]pyran-3-carboxylic acid amides, or benzo[b]thiophene-3-carboxylic acid amides and pharmaceutically acceptable salts thereof, the use of these derivatives for the prophylaxis and/or treatment of various diseases such as infectious diseases, including mycobacteriainduced infections and opportunistic diseases, prion diseases, immunological diseases, autoimmune diseases, bipolar and clinical disorders, cardiovascular diseases, cell proliferative diseases, diabetes, inflammation, transplant rejections, erectile dysfunction, neurodegenerative diseases and stroke, as well as compositions containing at least one heterobicyclic compound and/or pharmaceutically acceptable salts thereof. Furthermore, reaction procedures for the synthesis of the heterobicyclic compound are disclosed.Type: ApplicationFiled: September 10, 2004Publication date: November 29, 2007Applicant: GPC BIOTECH AGInventors: Anil Koul, Bert Klebl, Gerhard Muller, Andrea Missio, Wilfried Schwab, Doris Hafenbradl, Lars Neumann, Marc-Nicola Sommer, Stefan Muller, Edmund Hoppe, Achim Freisleben, Alexander Backes, Christian Hartung, Beatrice Felber, Birgit Zech, Ola Engkvist, Gyorgy Keri, Laszlo Orfi, Peter Banhegyi, Zoltan Greff, Zoltan Horvath, Zoltan Varga, Peter Marko, Janos Pato, Istvan Szabadkai, Zsolt Szekelyhid, Frigyes Waczek
-
Patent number: 6140336Abstract: The invention relates to novel spiro[2H-1-benzopyran-2,4'-piperidine]-4(3H)-one derivatives of formula (I), ##STR1## wherein R stands for halogen, nitro group or a straight or branched chain C.sub.1-6 alkyl group, and their acid addition salts, as well as their quaternary salts of formula (Ia) ##STR2## wherein R and R' are the same or different and are identical to the meaning of said (above) R or can mean also hydrogen; and Z represents one equivalent of an anion. The compounds of formulas (I) and (Ia) exert an improving effect on dementias of various pathological origin and accompanying symptoms thereof. Furthermore, the invention relates to a process for the preparation of compounds of formulas (I) and (Ia); to pharmaceutical compositions containing as active gents the above compounds of formulas (I) and (Ia); and to a method of treatment.Type: GrantFiled: February 12, 1998Date of Patent: October 31, 2000Assignee: Richter Gedeon Vegyeszeti Gyar Rt.Inventors: Kalman Harsanyi, Istvan Szabadkai, Istvan Borza, Egon Karpati, Bela Kiss, Margit Pellionisz, Sandor Farkas, Csilla Horvath, Katalin Csomor, Erzsebet Lapis, Istvan Laszlowsky, Sandor Szabo, Agnes Kis-Varga, Judit Laszy, Aniko Gere
-
Patent number: 5169859Abstract: The present invention relates to novel compounds of the general formula (I) ##STR1## wherein R means hydrogen or C.sub.1-4 alkyl group; andY stands for cyano, trifluoromethyl, aryloxy or aryl(C.sub.1-4 alkyl)oxy group.The compounds according to the invention show a gastric acid secretion-inhibiting effect and therefore, they are useful for the treatment of gastric and duodenal ulcers. In addition, they exert a cytoprotective action against gastric laesions induced, e.g. by indomethacin or acid-containing alcohol.Type: GrantFiled: July 18, 1991Date of Patent: December 8, 1992Assignee: Richter Gedeon Vegyeszeti Gyar RTInventors: Istvan Szabadkai, Kalman Harsanyi, Zsoltne Szabo, Bela Hegedus, Elemer Ezer, Judit Matuz, Laslo Szporny, Katalin Saghy, Gyorgy Hajos, Attila Csehi, Gabor Balogh
-
Patent number: 5106846Abstract: The present invention relates to compounds of the general formula (I), ##STR1## wherein R.sub.1 stands for hydrogen, halogen, C.sub.1-4 alkyl, C.sub.1-4 alkoxy or nitro group;R.sub.2 means a C.sub.1-7 alkyl group optionally substituted by: a hydroxyl or oxo group; or an ester group containing 1 to 4 carbon atoms in the alkoxy moiety; or a C.sub.1-4 alkoxy, cyano, amino, C.sub.1-4 alkylamino, or dialkylamino group; or an acyl group containing 1 to 7 carbon atoms in the alkyl moiety; orR.sub.2 means an aryl-C.sub.1-7 alkyl group optionally bearing the substituents defined above for R.sub.2 in the alkyl chain and optionally substituted by halogen, nitro, C.sub.1-4 alkyl or alkoxy group in the benzene ring; orR.sub.2 represents an allyl, phenylallyl or phenylsulfonyl group, both latter groups optionally being substituted by halogen or a C.sub.1-4 alkyl group in the benzene ring; orR.sub.2 stands for a carbamoyl group substituted by one or two C.sub.1-4 alkyl group(s) or phenyl group on the nitrogen atom.Type: GrantFiled: July 10, 1990Date of Patent: April 21, 1992Assignee: Richter Gedeon Vegyeszeti Gyar RTInventors: Istvan Szabadkai, Kalman Harsanyi, Agnes Lampert, Gyorgy Domany, Bela Hegedus, Elemer Ezer, Judit Matuz, Katalin Saghy, Laszlo Szporny, Gyorgy Hajos, Krisztina Szekely
-
Patent number: 4937252Abstract: The present invention relates to novel 2-thiazolidinone derivatives of the general formula (I), ##STR1## wherein A stands for hydrogen, halogen or a C.sub.1-4 alkyl, C.sub.1-4 alkoxy or nitro group; andn is 0 or 1.The compounds according to the invention show a cytoprotective and gastric acid secretion-inhibiting effect and thus, may be used in the therapy of gastric and duodenal ulcers.Type: GrantFiled: December 13, 1988Date of Patent: June 26, 1990Assignee: Richter Gedeon Vegyeszeti Gyar Rt.Inventors: Istvan Szabadkai, Kalman Harsanyi, Agnes Lampert, Gyorgy Domany, Bela Hegedus, Marta K. Pap, Elemer Ezer, Judit Matuz, Katalin Saghy, Laszlo Szporny, Gyorgy Hajos, Kristztina Szekely
-
Patent number: 4835281Abstract: The invention relates to a new process for the preparation of N-sulfamyl-3-(2-guanidinothiazol-4-yl-methylthio)-propionitrile (famotidine) of the formula (I) ##STR1## by S-alkylation of 2-guanidino-thiazol-4-yl-methanethiol obtained from S-(2-guanidino-thiazol-4-yl-methyl)-isothiourea dihydrochloride of the formula (III) ##STR2## by in situ treatment with a base, which comprises carrying out S-alkylation with a N-sulfamyl-3-halopropionamidine of the formula (II) ##STR3## wherein X stands for halogen.Type: GrantFiled: July 23, 1987Date of Patent: May 30, 1989Assignee: Richter Gedeon Vegyeszeti Gyar Rt.Inventors: Peter Bod, Kalman Harsanyi, Eva gai nee Csongor, Erik Bogsch, Eva Fekecs, Ferenc Trischler, Gyorgy Domany, Istvan Szabadkai, Bela Hegedus
-
Patent number: 4731479Abstract: The invention relates to new propionamidine derivatives of formula (I) ##STR1## wherein X is halogen,and to a process for their preparation. According to the invention compounds of the formula (I) are prepared by reacting a 3-halopropionitrile of the formula (III) ##STR2## wherein X is as defined above,with sulfamide of the formula (II) ##STR3## in the presence of a hydrogen halide. Compounds of the formula (I) are useful intermediates in the preparation of famotidine.Type: GrantFiled: September 10, 1986Date of Patent: March 15, 1988Assignee: Richter Gedeon Vegyeszeti Gyar Rt.Inventors: Peter Bod, Kalman Harsanyi, Eva gai nee Csongor, Erik Bogsch, Eva Fekecs, Ferenc Trischler, Gyorgy Domany, Istvan Szabadkai, Bela Hegedus
-
Patent number: 4616025Abstract: New thiazolidine compounds of the formula (I) having anti-ulcer activity are disclosed: ##STR1## wherein Ar is a 2-furyl or a phenyl, naphthyl or pyridyl group optionally substituted by one or more C.sub.1-4 -alkyl, C.sub.1-4 -alkoxy, halo-C.sub.1-4 -alkoxy, dihalomethyl, trihalomethyl, hydroxyl or nitro groups or by a group of the formula (II), ##STR2## wherein Y is nitrogen or CH;Z is cyano or carbamoyl if Y is nitrogen, and represents a nitro group if Y is CH.Also disclosed are several processes for preparing the new compounds as well as pharmaceutical compositions and method of treatment employing same.Type: GrantFiled: March 16, 1984Date of Patent: October 7, 1986Assignee: Richter Gedeon Vegyeszeti Gyar RTInventors: Elemer Ezer, Kalman Harsanyi, Gyorgy Domany, Laszlo Szporny, Judit Matuz, Bela Hegedus, Katalin Pallagi, Istvan Szabadkai, Peter Tetenyi