Sulfonic Acid Group Containing (-(o=)s(=o)-oh, Wherein H Of -oh May Be Replaced By A Substituted Or Unsubstituted Ammonium Ion Or Metal) Patents (Class 534/674)
Azo attached indirectly to the monocyclic benzene ring by nonionic bonding (Class 534/675)
  • AROMATIC CARBOXYLIC ACID DERIVATIVES FOR TREATMENT AND PROPHYLAXIS OF GASTROINTESTINAL DISEASES INCLUDING COLON CANCERS
    Publication number: 20140073610
    Abstract: Prodrug compounds which metabolize into 5-ASA or analogs thereof, and taurine or analogs thereof, in the colon site are disclosed. Pharmaceutical compositions including the compounds, and methods of treatment using the compounds, are also disclosed. Such compounds have utility for treating or preventing gastrointestinal disorders, including colon cancer, ulcerative colitis and Crohn's disease.
    Type: Application
    Filed: October 29, 2013
    Publication date: March 13, 2014
    Applicant: NUMED INTERNATIONAL, INC.
    Inventor: Nnochiri Ekwuribe
  • Aromatic carboxylic acid derivatives for treatment and prophylaxis of gastrointestinal diseases including colon cancers
    Patent number: 8569466
    Abstract: Prodrug compounds which metabolize into 5-ASA or analogs thereof, and taurine or analogs thereof, in the colon site are disclosed. Pharmaceutical compositions including the compounds, and methods of treatment using the compounds, are also disclosed. Such compounds have utility for treating or preventing gastrointestinal disorders, including colon cancer, ulcerative colitis and Crohn's disease.
    Type: Grant
    Filed: September 10, 2009
    Date of Patent: October 29, 2013
    Inventor: Nnochiri Ekwuribe
  • AROMATIC CARBOXYLIC ACID DERIVATIVES FOR TREATMENT AND PROPHYLAXIS OF GASTROINTESTINAL DISEASES INCLUDING COLON CANCERS
    Publication number: 20110319267
    Abstract: Prodrug compounds which metabolize into 5-ASA or analogs thereof, and taurine or analogs thereof, in the colon site are disclosed. Pharmaceutical compositions including the compounds, and methods of treatment using the compounds, are also disclosed. Such compounds have utility for treating or preventing gastrointestinal disorders, including colon cancer, ulcerative colitis and Crohn's disease.
    Type: Application
    Filed: September 10, 2009
    Publication date: December 29, 2011
    Applicant: Numed International, Inc.
    Inventor: Nnochiri Ekwuribe
  • Copper complex monoazo dyes and thier prepartion and use
    Publication number: 20040068103
    Abstract: Copper complex monoazo dyes of general formula (V) 1
    Type: Application
    Filed: September 26, 2003
    Publication date: April 8, 2004
    Applicant: ILFORD IMAGING SWITZERLAND Gmbh.
    Inventor: Kurt Baettig
  • Azo dyes having utility for ink jet printers
    Patent number: 5616696
    Abstract: A group of compounds comprising the reaction product of a hydroxy naphthylamine sulfonic acid with a diazotized compound comprising, an aromatic azo substituted Cleves Acid such that the diazotized compound is coupled with the hydroxy naphthylamine sulfonic acid ortho to the amine group. More particularly the compounds of the invention comprise a compound having the formula: ##STR1## wherein R.sub.1 is an aromatic azo radical, R.sub.2 is hydrogen or an aromatic azo group and R.sub.3 is amino, substituted amino or an aromatic azo group. The invention further includes inks made from such compositions and methods for using such inks in ink jet printers.
    Type: Grant
    Filed: September 14, 1995
    Date of Patent: April 1, 1997
    Assignee: Tricon Colors Incorporated
    Inventor: William P. Leary, Jr.
  • Method of preparing 5-amino salicylic acid
    Patent number: 4788331
    Abstract: The disclosure relates to a method of producing 5-amino salicylic acid from salicylic acid, with sulphanilic acid as the recyclable auxiliary chemical.The method according to the present invention includes linking between the diazonium salt of the sulphanilic acid and the salicylic acid, followed by a splitting by hydrogenation with hydrogen gas and catalyst, and selective precipitation of the desired product.
    Type: Grant
    Filed: July 7, 1987
    Date of Patent: November 29, 1988
    Assignee: Nobel Kemi AB
    Inventor: Ulf Sjostrand