Patents by Inventor Ragab El-Rashidy

Ragab El-Rashidy 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).

  • Controlled release of drugs delivered by sublingual or buccal administration
    Patent number: 5888534
    Abstract: A composition providing a relatively slow release of water-soluble drugs, such as apomorphine, for delivery via the sublingual or buccal routes.
    Type: Grant
    Filed: April 29, 1997
    Date of Patent: March 30, 1999
    Assignee: Pentech Pharmaceuticals, Inc.
    Inventors: Ragab El-Rashidy, Bruce Ronsen, Emad Eldin Hassan
  • Low dose fluoxetine tablet
    Patent number: 5830500
    Abstract: A direct compression tablet exhibiting relatively low hardness provides a relatively rapid release of fluoxetine. The tablet has a hardness of no more than about 6 kilopascals and a dicalcium phosphate dihydrate-to-disintegrant weight ratio of about 3 to about 7.
    Type: Grant
    Filed: July 22, 1996
    Date of Patent: November 3, 1998
    Assignee: Pentech Pharmaceuticals, Inc.
    Inventors: Ragab El-Rashidy, Bruce Ronsen
  • Dosage forms and method for ameliorating male erectile dysfunction
    Patent number: 5770606
    Abstract: Psychogenic impotence or erectile dysfunction can be identified in psychogenic male patients and can be ameliorated, without substantial undesirable side effects, by sublingual administration of apomorphine dosage forms so as to maintain a plasma concentration of apomorphine of no more than about 5.5 nanograms per milliliter.
    Type: Grant
    Filed: October 20, 1995
    Date of Patent: June 23, 1998
    Assignees: Pentech Pharmaceuticals, Inc., Queen's University at Kingston
    Inventors: Ragab El-Rashidy, Jeremy P. W. Heaton, Alvaro Morales, Michael A. Adams
  • Amorphous paroxetine composition
    Patent number: 5672612
    Abstract: A free-flowing, amorphous paroxetine hydrochloride-ethanol composition suitable as a therapeutic agent for premature ejaculation can be prepared by dissolving paroxetine free base in a hydrochloric acid-ethanol solution followed by drying. In a preferred embodiment, the amount of ethanol present in the amorphous product is in the range of 1 to 4 weight percent based on paroxetine hydrochloride. The amorphous product is stable and substantially non-hygroscopic.
    Type: Grant
    Filed: September 9, 1996
    Date of Patent: September 30, 1997
    Assignee: Pentech Pharmaceuticals, Inc.
    Inventors: Bruce Ronsen, Ragab El-Rashidy
  • Controlled release of drugs delivered by sublingual or buccal administration
    Patent number: 5624677
    Abstract: A composition providing a relatively slow release of water-soluble drugs, such as apomorphine, for delivery via the sublingual or buccal routes.
    Type: Grant
    Filed: June 13, 1995
    Date of Patent: April 29, 1997
    Assignee: Pentech Pharmaceuticals, Inc.
    Inventors: Ragab El-Rashidy, Bruce Ronsen, Emad E. Hassan
  • Transdermal administration of apomorphine
    Patent number: 5562917
    Abstract: Dosage forms for the transdermal administration of apomorphine are described. The dosage forms are water-soluble gel compositions that contain apomorphine, optionally together with a permeation enhancer, or transdermal patches.
    Type: Grant
    Filed: December 23, 1994
    Date of Patent: October 8, 1996
    Assignee: Pentech Pharmaceuticals, Inc.
    Inventors: Franck Durif, Ragab El-Rashidy
  • Topical compositions and methods for treatment of male impotence
    Patent number: 5256652
    Abstract: A topical composition which enhances the maintenance of penis erection is disclosed. An effective dosage of a peripheral vasodilator, an absorption enhancer and, optionally, a vasoconstrictor and an alpha receptor blocker are combined with a pharmacologically acceptable topical vehicle to produce the composition.
    Type: Grant
    Filed: August 27, 1990
    Date of Patent: October 26, 1993
    Assignee: Pharmedic Co.
    Inventor: Ragab El-Rashidy
  • Dialysate solution containing hydroxypropyl-beta-cyclodextrin and method of using same
    Patent number: 4889634
    Abstract: A dialysate solution suitable for peritoneal dialysis and containing hydroxypropyl-beta-cyclodextrin is disclosed.
    Type: Grant
    Filed: October 4, 1988
    Date of Patent: December 26, 1989
    Assignee: Gynex, Inc.
    Inventor: Ragab El-Rashidy