Patents by Inventor Abdul W. Basit

Abdul W. Basit 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: 10537530
    Abstract: The invention provides a gastric resistant, enteric-coated solid dosage form including a core containing a pharmaceutically active ingredient, an inner coating for the core, and an outer enteric coating. The inner coating comprises an anionic polymeric material or a water-soluble neutral polymeric material, and further comprises a water soluble inorganic salt which is not a carbonate or bicarbonates. The outer enteric coating comprises an anionic polymeric material which is less neutralized than the polymeric material comprising the inner coating and disintegrates rapidly at a pH of 5.5 to 7.0 upon entering the small intestine.
    Type: Grant
    Filed: September 5, 2012
    Date of Patent: January 21, 2020
    Assignee: Evonik Operations GmbH
    Inventors: Fang Liu, Abdul W. Basit, Rosario Lizio, Hans-Ulrich Petereit, Christian Meier, Michael Damm
  • Patent number: 9597293
    Abstract: The present invention provides a solid dosage form including an inner coating located between a core containing a pharmaceutically active ingredient and an outer enteric coating; wherein the inner coating includes a partially neutralized anionic polymeric material, and at least a carboxylic acid having 2 to 16 carbon atoms the salts thereof or mixtures of the acid and its salt; wherein the outer coating includes an anionic polymeric material which is less or not at all neutralized than the material of the inner coating.
    Type: Grant
    Filed: May 7, 2007
    Date of Patent: March 21, 2017
    Assignee: EVONIK RÖHM GmbH
    Inventors: Fang Liu, Abdul W. Basit, Rosario Lizio, Hans-Ulrich Petereit, Christian Meier, Michael Damm
  • Publication number: 20130058986
    Abstract: The present invention provides a solid dosage form including an inner coating located between a core containing a pharmaceutically active ingredient and an outer enteric coating; wherein the inner coating includes a partially neutralized anionic polymeric material and at least a carboxylic acid having 2 to 16 carbon atoms, the salts thereof, or mixtures of the acid and its salt; wherein the outer coating includes an anionic polymeric material which is less neutralized than the material of the inner coating or not at all neutralized.
    Type: Application
    Filed: September 5, 2012
    Publication date: March 7, 2013
    Applicant: EVONIK ROEHM GMBH
    Inventors: Fang LIU, Abdul W. Basit, Rosario Lizio, Hans-Ulrich Petereit, Christian Meier, Michael Damm
  • Publication number: 20100129446
    Abstract: The present invention refers to a solid dosage form comprising an inner coating located between a core containing a pharmaceutically active ingredient and an outer enteric coating; wherein said inner coating comprises a partially neutralized anionic polymeric material, and at least a carboxylic acid having 2 to 16 carbon atoms the salts thereof or mixtures of said acid and its salt; wherein said outer coating comprises an anionic polymeric material which is less or not at all neutralized than the material of the inner coating.
    Type: Application
    Filed: May 7, 2007
    Publication date: May 27, 2010
    Applicant: Evonik Roehm GmbH
    Inventors: Fang Liu, Abdul W. Basit, Rosario Lizio, Hans-Ulrich Petereit, Christian Meier, Michael Damm