Patents by Inventor Rubina Perveen Shaikh

Rubina Perveen Shaikh 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: 9808418
    Abstract: A pH responsive and mucoadhesive pharmaceutical dosage form for the release of a pharmaceutically active agent is described. The dosage form includes a mucoadhesive layer for site-specific mucoadhesion, a water-insoluble outer layer, and an intermediate layer including one or more pharmaceutically active agents for site-specific delivery. The different membranous layers perform different functions in order to create a drug delivery system which is able to deliver a drug to a specific site, for a particular period of time and with a specific drug release pattern. The dosage form can have two or more intermediate layers, each layer comprising an active agent. The mucoadhesive layer can also include an active agents. The dosage form is preferably an oral or buccal delivery form for release of the active agent into the gastro intestinal tract. The intermediate layer can be an electrospun fibrous membrane layer containing the active agent.
    Type: Grant
    Filed: November 28, 2011
    Date of Patent: November 7, 2017
    Assignee: UNIVERSITY OF THE WITWATERSRAND, JOHANNESBURG
    Inventors: Viness Pillay, Rubina Perveen Shaikh, Yahya Essop Choonara, Lisa Claire Du Toit
  • Publication number: 20130337022
    Abstract: A pH responsive and mucoadhesive pharmaceutical dosage form for the release of a pharmaceutically active agent is described. The dosage form includes a mucoadhesive layer for site-specific mucoadhesion, a water-insoluble outer layer, and an intermediate layer including one or more pharmaceutically active agents for site-specific delivery. The different membranous layers perform different functions in order to create a drug delivery system which is able to deliver a drug to a specific site, for a particular period of time and with a specific drug release pattern. The dosage form can have two or more intermediate layers, each layer comprising an active agent. The mucoadhesive layer can also include an active agents. The dosage form is preferably an oral or buccal delivery form for release of the active agent into the gastro intestinal tract. The intermediate layer can be an electrospun fibrous membrane layer containing the active agent.
    Type: Application
    Filed: November 28, 2011
    Publication date: December 19, 2013
    Applicant: UNIVERSITY OF THE WITWATERSRAND, JOHANNESBURG
    Inventors: Viness Pillay, Rubina Perveen Shaikh, Yahya Essop Choonara, Lisa Claire Du Toit