Patents by Inventor Abdullah Haj-Yehia

Abdullah Haj-Yehia 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: 20060264408
    Abstract: The present invention relates to multifunctional compounds comprising an anti-inflammatory or immunomodulatory component, and at least one SOD mimic component capable of reacting with reactive oxygen species, and to their use in treating inflammatory bowel disease comprising ulcerative colitis and Crohn's disease. Preferred anti-inflammatory or immunomodulatory components comprise derivatives of salicylic acid and steroids.
    Type: Application
    Filed: March 4, 2004
    Publication date: November 23, 2006
    Inventor: Abdullah Haj-Yehia
  • Publication number: 20060258652
    Abstract: Multifunctional beta-antagonist compounds are provided, that combine ?-adrenergic receptor blocking activity with capability to scavenge superoxide and other reactive oxygen species, and that may further function as nitric oxide donors. The compounds are useful for preventing or treating disorders in which the treatment with ?-antagonists is indicated, or which are associated with oxidative stress.
    Type: Application
    Filed: November 21, 2003
    Publication date: November 16, 2006
    Inventors: Abdullah Haj-Yehia, Mohamed Khan
  • Publication number: 20060247216
    Abstract: The present invention relates to multifunctional steroid compounds combining a steroid component with SOD mimic component and optionally also with NO donor component, and to their use in treating and preventing disorders associated with oxidative stress and free radical injury, or disorders in which treatment with steroids is indicated, whereas such combination increases the efficacy of treatment and reduces side effects associated with steroid treatment. The invention further relates to methods and devices for administering the compounds.
    Type: Application
    Filed: October 24, 2003
    Publication date: November 2, 2006
    Inventor: Abdullah Haj-Yehia
  • Publication number: 20060166894
    Abstract: Multifonctional ACE inhibitor compounds are provided, that combine ACE-inhibiting activity with capability to scavenge superoxide and other reactive oxygen species, and that may further function as nitric oxide donors. The compounds are useful for preventing or treating various disorders, including cardiovascular, and diabetes associated disorders.
    Type: Application
    Filed: November 27, 2003
    Publication date: July 27, 2006
    Applicant: Yissum Research Development Company of the Hebrew University of Jerusalem
    Inventors: Abdullah Haj-Yehia, Mohamed Khan, Bashir Qadri
  • Publication number: 20050228184
    Abstract: The present invention relates to multifunctional ?-agonist compounds comprising a reactive oxygen species scavenger group and a nitric oxide donor, and their use for the treatment of respiratory diseases involving airway obstruction, such as asthma and chronic bronchitis. The invention further relates to methods and devices for administering the compounds.
    Type: Application
    Filed: April 15, 2003
    Publication date: October 13, 2005
    Inventor: Abdullah Haj-Yehia
  • Patent number: 6900338
    Abstract: The present invention provides novel compounds having scavenging and anti-ROS properties and pharmaceutical composition comprising these compounds for treatment of conditions associated with oxidative stress or free radical injury. The compounds of the invention are of general formula (I).
    Type: Grant
    Filed: November 25, 1999
    Date of Patent: May 31, 2005
    Assignee: Yissum Research Development Company of the Hebrew University of Jerusalem
    Inventor: Abdullah Haj-Yehia
  • Publication number: 20040147598
    Abstract: The present invention provides a compound containing at least one sulfhydryl group and at least one NO donor group, wherein said compound contains one or more protected sulfhydryl groups linked to at least one aromatic ring or a heteroaromatic ring with a nitrogen in the ring structure, which ring is substituted by one or more substituents bearing at least one terminal —ONO2 group. The present invention further provides pharmaceutical compositions comprising one or more of said compounds as an active ingredient.
    Type: Application
    Filed: November 3, 2003
    Publication date: July 29, 2004
    Inventor: Abdullah Haj-Yehia
  • Patent number: 6642260
    Abstract: The present invention provides a compound containing at least one sulfhydryl group and at least one NO donor group, wherein said compound contains one or more protected sulfhydryl groups linked to at least one aromatic ring or a heteroaromatic ring with a nitrogen in the ring structure, which ring is substituted by one or more substitutes bearing at least one terminal —ONO2 group. The present invention further provides pharmaceutical compositions comprising one or more of said compounds as an active ingredient.
    Type: Grant
    Filed: January 9, 2002
    Date of Patent: November 4, 2003
    Assignee: Yissum Research Development Company of The Hebrew University of Jerusalem
    Inventor: Abdullah Haj-Yehia
  • Patent number: 6492405
    Abstract: The present invention provides a compound containing at least one sulfhydryl group and at least one NO donor group, wherein said compound is a) a compound containing one or more sulfhydryl groups linked to at least one aromatic ring or a heteroaromatic ring with a nitrogen in the ring structure, which ring is substituted by one or more substituents bearing a terminal —ONO2 group; b) a 5-membered ring heterocyclic compound containing a sulfur atom and a nitrogen atom, which ring is substituted by one or more substituents bearing a terminal —ONO2 group; c) a 5-membered ring compound containing two conjugate S-atoms, which ring is linked to one or more substituents bearing a terminal —ONO2 group; or d) a compound containing an acyclic —S—S group, linked to at least one aromatic ring or a heteroaromatic ring with a nitrogen in the ring structure, which ring is substituted by one or more substituents bearing a terminal —ONO2 group.
    Type: Grant
    Filed: January 9, 2002
    Date of Patent: December 10, 2002
    Assignee: Yissum Research Development Company of the Hebrew University of Jerusalem
    Inventor: Abdullah Haj-Yehia
  • Publication number: 20020161235
    Abstract: The present invention provides a compound containing at least one sulfhydryl group and at least one NO donor group, wherein said compound is a) a compound containing one or more sulfhydryl groups linked to at least one aromatic ring or a heteroaromatic ring with a nitrogen in the ring structure, which ring is substituted by one or more substituents bearing a terminal —ONO2 group; b) a 5-membered ring heterocyclic compound containing a sulfur atom and a nitrogen atom, which ring is substituted by one or more substituents bearing a terminal —ONO2 group; c) a 5-membered ring compound containing two conjugate S-atoms, which ring is linked to one or more substituents bearing a terminal—ONO2 group; or d) a compound containing an acyclic —S—S group, linked to at least one aromatic ring or a heteroaromatic ring with a nitrogen in the ring structure, which ring is substituted by one or more substituents bearing a terminal —ONO2 group.
    Type: Application
    Filed: January 9, 2002
    Publication date: October 31, 2002
    Inventor: Abdullah Haj-Yehia
  • Publication number: 20020143187
    Abstract: The present invention provides a compound containing at least one sulfhydryl group and at least one NO donor group, wherein said compound contains one or more protected sulfhydryl groups linked to at least one aromatic ring or a heteroaromatic ring with a nitrogen in the ring structure, which ring is substituted by one or more substitutes bearing at least one terminal —ONO2 group. The present invention further provides pharmaceutical compositions comprising one or more of said compounds as an active ingredient.
    Type: Application
    Filed: January 9, 2002
    Publication date: October 3, 2002
    Inventor: Abdullah Haj-Yehia
  • Patent number: 6369071
    Abstract: An organic compound is provided which contains at least one nitric oxide donor group and at least one group being, or being adapted to be converted in vivo to a free sulfhydryl group. A preferred compound contains at least one sulfhydryl group, either in the reduced —SH form or in the oxidized —S—S-disulfide form.
    Type: Grant
    Filed: December 30, 1999
    Date of Patent: April 9, 2002
    Assignee: Yissum Research Development Company of The Hebrew University of Jerusalem
    Inventor: Abdullah Haj-Yehia
  • Patent number: 5880157
    Abstract: The present invention relates to derivatives of 2,2,3,3-tetramethylcyclopropane carboxylic acid (TMCA) of general formula (I), ##STR1## wherein R is lower alkyl group (C.sub.1 -C.sub.6), an aryl group, an aralkyl group or an amide of general formula (II), ##STR2## where R.sub.1 and R.sub.2 are the same or different and may be hydrogen, a alkyl group (C.sub.1 -C.sub.6), an aryl group or an aralkyl group, and n=0-3, to their racemic mixtures and the D and L enantiomers. The invention also relates to processes for the preparation of said compounds and for pharmaceutical preparations comprising the same. The new compounds show improved activity against epilepsy.
    Type: Grant
    Filed: November 25, 1996
    Date of Patent: March 9, 1999
    Assignee: Yissum Research Development Company of the Hebrew University of Jerusalem
    Inventors: Jeff Sterling, Yaacov Herzig, Meir Bialer, Abdullah Haj-Yehia, Boris Yagen