Patents by Inventor Balazs Sumegi

Balazs Sumegi 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).

  • Patent number: 6500823
    Abstract: The object of the invention consists of novel unsaturated hydroximic acid derivatives, the process for their preparation and as active substance such as compounds containing pharmaceutical compositions. The novel compounds possess valuable pharmaceutical effects, so they can be used in the treatment of states connected with energy deficiency of the cell caused by PARP inhibition, in diabetes complications, in oxygen deficient status of the heart and brain, in neurodegenerative diseases, in the treatment of autoimmune and/or viral diseases. In formula (I).
    Type: Grant
    Filed: March 2, 2001
    Date of Patent: December 31, 2002
    Assignee: N-Gene Research Laboratories, Inc.
    Inventors: Péter Literáti Nagy, Kálmán Takács, Balázs Sümegi
  • Publication number: 20020147213
    Abstract: 1
    Type: Application
    Filed: February 28, 2002
    Publication date: October 10, 2002
    Applicant: N-Gene Research Laboratories, Inc.
    Inventor: Balazs Sumegi
  • Patent number: 6451851
    Abstract: The invention refers to pharmaceutical compositions having an enhanced antiviral activity and/or decreased side effects. The composition comprises a hydroximic acid derivative of formula (I), or a therapeutically useful acid addition salt thereof and a known antiviral agent or, if desired, a therapeutically useful acid addition or therapeutically useful salt thereof.
    Type: Grant
    Filed: March 23, 2000
    Date of Patent: September 17, 2002
    Assignee: N-Gene Research Laboratories Inc.
    Inventor: Balázs Sümegi
  • Patent number: 6440998
    Abstract: Pharmaceutical compositions having enhanced antitumor activity or reduced side effects. The compositions include both (A) a known active substance having antitumor effect or a pharmaceutically suitable salt thereof and (B) an effective amount of a hydroximic acid derivative of formula (I) or a therapeutically useful acid addition salt thereof. Also disclosed are methods for reducing side effects in patients requiring treatment for tumors.
    Type: Grant
    Filed: February 17, 2000
    Date of Patent: August 27, 2002
    Assignee: N-Gene Research Laboratories, Inc.
    Inventor: Balázs Sumegi
  • Patent number: 6306878
    Abstract: The invention refers to pharmaceutical compositions suitable for the protection of the mitochondrial genom and/or mitochondrium from damages or for the treatment of diseases connected with such damages, said compositions comprising a hydroximic acid derivative of the formula: wherein R1 represents a hydrogen or a C1-5 alkyl group, R2 stands for a hydrogen, a C1-5 alkyl group, a C3-8 cycloalkyl group or a phenyl group optionally substituted by a hydroxy or a phenyl group, or R1 or R2 together with the nitrogen atom they are attached to form a 5 to 8 membered ring optionally containing one or more further nitrogen, oxygen or sulfur atom(s) and said ring can be condensed with another alicyclic or heterocyclic ring, preferably a benzene, naphthalene, quinoline, isoquinoline, pyridine or pyrazoline ring, furthermore, if desired and chemically possible, the nitrogen and/or sulfur heteroatom(s) are present in the form of an oxide or dioxide, R3 means a hydrogen, a phenyl group, a naphthyl group
    Type: Grant
    Filed: September 27, 1996
    Date of Patent: October 23, 2001
    Inventors: Balazs Sumegi, Peter Literati Nagy, Laszlo Vigh, Bruno Maresca