Patents by Inventor Osvaldo Abreu

Osvaldo Abreu 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: 9795681
    Abstract: Pharmaceutical compositions and dosage forms comprising an adsorbent, and an adverse agent, such as an opioid antagonist. In one embodiment, at least a portion of the adverse agent is on the surface or within the micropore structure of an adsorbent material. The pharmaceutical compositions and dosage forms comprising the adsorbent and the adverse agent are useful for preventing or discouraging tampering, abuse, misuse or diversion of a dosage form containing an active pharmaceutical agent, such as an opioid. The present invention also relates to methods for treating a patient with such a dosage form, as well as kits containing such a dosage form with instructions for using the dosage form to treat a patient. The present invention further relates to process for preparing such pharmaceutical compositions and dosage forms.
    Type: Grant
    Filed: March 12, 2014
    Date of Patent: October 24, 2017
    Assignee: Purdue Pharma L.P.
    Inventor: Osvaldo Abreu
  • Publication number: 20140256764
    Abstract: Pharmaceutical compositions and dosage forms comprising an adsorbent, and an adverse agent, such as an opioid antagonist. In one embodiment, at least a portion of the adverse agent is on the surface or within the micropore structure of an adsorbent material. The pharmaceutical compositions and dosage forms comprising the adsorbent and the adverse agent are useful for preventing or discouraging tampering, abuse, misuse or diversion of a dosage form containing an active pharmaceutical agent, such as an opioid. The present invention also relates to methods for treating a patient with such a dosage form, as well as kits containing such a dosage form with instructions for using the dosage form to treat a patient. The present invention further relates to process for preparing such pharmaceutical compositions and dosage forms.
    Type: Application
    Filed: March 12, 2014
    Publication date: September 11, 2014
    Applicant: Purdue Pharma L.P.
    Inventor: Osvaldo Abreu
  • Patent number: 8298579
    Abstract: Pharmaceutical compositions and dosage forms comprising an adsorbent, and an adverse agent, such as an opioid antagonist. In one embodiment, at least a portion of the adverse agent is on the surface or within the micropore structure of an adsorbent material. The pharmaceutical compositions and dosage forms comprising the adsorbent and the adverse agent are useful for preventing or discouraging tampering, abuse, misuse or diversion of a dosage form containing an active pharmaceutical agent, such as an opioid. The present invention also relates to methods for treating a patient with such a dosage form, as well as kits containing such a dosage form with instructions for using the dosage form to treat a patient. The present invention further relates to process for preparing such pharmaceutical compositions and dosage forms.
    Type: Grant
    Filed: March 23, 2005
    Date of Patent: October 30, 2012
    Assignee: Euro-Celtique S.A.
    Inventor: Osvaldo Abreu
  • Publication number: 20070207089
    Abstract: Pharmaceutical compositions and dosage forms comprising an adsorbent, and an adverse agent, such as an opioid antagonist. In one embodiment, at least a portion of the adverse agent is on the surface or within the micropore structure of an adsorbent material. The pharmaceutical compositions and dosage forms comprising the adsorbent and the adverse agent are useful for preventing or discouraging tampering, abuse, misuse or diversion of a dosage form containing an active pharmaceutical agent, such as an opioid. The present invention also relates to methods for treating a patient with such a dosage form, as well as kits containing such a dosage form with instructions for using the dosage form to treat a patient. The present invention further relates to process for preparing such pharmaceutical compositions and dosage forms.
    Type: Application
    Filed: March 23, 2005
    Publication date: September 6, 2007
    Inventor: Osvaldo Abreu