Patents by Inventor Sumon Hasan

Sumon Hasan 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).

  • Pantoprazole multiparticulate formulations
    Patent number: 7838027
    Abstract: Pantoprazole sodium multiparticulates are described which avoid sticking to nasogastric and gastronomy tubes. The pantoprazole multiparticulates have a spheroid core of pantoprazole or an enantiomer thereof, or a salt thereof, a surfactant, and a disintegrant; a sub coat which is comprised of hydroxypropyl methylcellulose (hypromellose) and water, an enteric coat on the sub-coat, and a final seal coat over the enteric coat, which is composed of hydroxypropyl methylcellulose (hypromellose) and water.
    Type: Grant
    Filed: September 30, 2004
    Date of Patent: November 23, 2010
    Assignee: Wyeth LLC
    Inventors: Sripriya Venkata Ramana Rao, Syed M. Shah, Hanumantharao Tatapudy, Richard William Saunders, Mahdi Fawzi, Arwinder Nagi, Shailesh Singh, Sumon A. Hasan
  • Pantoprazole multiparticulate formulations
    Patent number: 7553498
    Abstract: A method of treating gastroesophageal reflux disease (GERD), ulcers of the stomach or duodenum, or Zollinger-Ellison Syndrome in a human, by administering pantoprazole sodium multiparticulates is described. The pantoprazole multiparticulates have a spheroid core of pantoprazole or an enantiomer thereof, or a salt thereof, a surfactant, and a disintegrant; a sub coat which is comprised of hydroxypropyl methylcellulose (hypromellose) and water, an enteric coat on the subcoat, and a final seal coat over the enteric coat, which is composed of hydroxypropyl methylcellulose (hypromellose) and water.
    Type: Grant
    Filed: March 30, 2007
    Date of Patent: June 30, 2009
    Assignee: Wyeth
    Inventors: Sripriya Venkata Ramana Rao, Syed M. Shah, Hanumantharao Tatapudy, Richard William Saunders, Mahdi Fawzi, Arwinder Nagi, Shailesh Singh, Sumon A Hasan
  • Pantoprazole multiparticulate formulations
    Patent number: 7550153
    Abstract: Pantoprazole sodium multiparticulates are described which avoid sticking to nasogastric and gastronomy tubes. The pantoprazole multiparticulates have a spheroid core of pantoprazole or an enantiomer thereof, or a salt thereof, a surfactant, and a disintegrant; a sub coat which is comprised of hydroxypropyl methylcellulose(hypromellose) and water, an enteric coat on the sub-coat, and a final seal coat over the enteric coat, which is composed of hydroxypropyl methylcellulose(hypromellose) and water.
    Type: Grant
    Filed: March 30, 2007
    Date of Patent: June 23, 2009
    Assignee: Wyeth
    Inventors: Sripriya Venkata Ramana Rao, Syed M. Shah, Hanumantharao Tatapudy, Richard William Saunders, Mahdi Fawzi, Arwinder Nagi, Shailesh Singh, Sumon A Hasan
  • Pantoprazole multiparticulate formulations
    Patent number: 7544370
    Abstract: Pantoprazole sodium multiparticulates are described which avoid sticking to nasogastric and gastronomy tubes. The pantoprazole multiparticulates have a spheroid core of pantoprazole or an enantiomer thereof, or a salt thereof, a surfactant, and a distintegrant; a sub coat which is comprised of hydroxypropyl methylcellulose (hypromellose) and water, an enteric coat on the sub-coat, and a final seal coat over the enteric coat, which is composed of hydroxypropyl methylcellulose (hypromellose) and water.
    Type: Grant
    Filed: September 30, 2004
    Date of Patent: June 9, 2009
    Assignee: Wyeth
    Inventors: Sripriya Venkata Ramana Rao, Syed M. Shah, Hanumantharao Tatapudy, Richard William Saunders, Mahdi Fawzi, Arwinder Nagi, Shailesh Singh, Sumon A. Hasan
  • Pantoprazole multiparticulate formulations
    Publication number: 20070196443
    Abstract: Pantoprazole sodium multiparticulates are described which avoid sticking to nasogastric and gastronomy tubes. The pantoprazole multiparticulates have a spheroid core of pantoprazole or an enantiomer thereof, or a salt thereof, a surfactant, and a disintegrant; a sub coat which is comprised of hydroxypropyl methylcellulose(hypromellose) and water, an enteric coat on the sub-coat, and a final seal coat over the enteric coat, which is composed of hydroxypropyl methylcellulose(hypromellose) and water.
    Type: Application
    Filed: March 30, 2007
    Publication date: August 23, 2007
    Applicant: Wyeth
    Inventors: Sripriya Ramana Rao, Syed Shah, Hanumantharao Tatapudy, Richard Saunders, Mahdi Fawzi, Arwinder Nagi, Shailesh Singh, Sumon Hasan
  • Pantoprazole multiparticulate formulations
    Publication number: 20070196444
    Abstract: A method of treating gastroesophageal reflux disease (GERD), ulcers of the stomach or duodenum, or Zollinger-Ellison Syndrome in a human, by administering pantoprazole sodium multiparticulates is described. The pantoprazole multiparticulates have a spheroid core of pantoprazole or an enantiomer thereof, or a salt thereof, a surfactant, and a disintegrant; a sub coat which is comprised of hydroxypropyl methylcellulose (hypromellose) and water, an enteric coat on the subcoat, and a final seal coat over the enteric coat, which is composed of hydroxypropyl methylcellulose (hypromellose) and water.
    Type: Application
    Filed: March 30, 2007
    Publication date: August 23, 2007
    Applicant: Wyeth
    Inventors: Sripriya Ramana Rao, Syed Shah, Hanumantharao Tatapudy, Richard Saunders, Mahdi Fawzi, Arwinder Nagi, Shailesh Singh, Sumon Hasan
  • Pantoprazole multiparticulate formulations
    Publication number: 20050129761
    Abstract: Pantoprazole sodium multiparticulates are described which avoid sticking to nasogastric and gastronomy tubes. The pantoprazole multiparticulates have a spheroid core of pantoprazole or an enantiomer thereof, or a salt thereof, a surfactant, and a distintegrant; a sub coat which is comprised of hydroxypropyl methylcellulose (hypromellose) and water, an enteric coat on the sub-coat, and a final seal coat over the enteric coat, which is composed of hydroxypropyl methylcellulose (hypromellose) and water.
    Type: Application
    Filed: September 30, 2004
    Publication date: June 16, 2005
    Applicant: Wyeth
    Inventors: Sripriya Venkata Ramana Rao, Syed Shah, Hanumantharao Tatapudy, Richard Saunders, Mahdi Fawzi, Arwinder Nagi, Shailesh Singh, Sumon Hasan