Patents by Inventor Bruce Ronsen

Bruce Ronsen 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: 6660298
    Abstract: Method for preparing a wet granule formulation of paroxetine hydrochloride are disclosed. The formulations are suitable for tabletting and capsulation.
    Type: Grant
    Filed: July 27, 2000
    Date of Patent: December 9, 2003
    Assignee: Pentech Pharmaceuticals, Inc.
    Inventors: Bruce Ronsen, Venkata R. Kota, Yogesh Sadhale
  • Patent number: 6638948
    Abstract: A free-flowing, amorphous paroxetine hydrochloride 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. The present compositions comprise amorphous paroxetine hydrochloride and at least one hydroxyl-bearing compound. In one preferred embodiment, the hydroxyl-bearing compound is ethanol and 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 30, 1997
    Date of Patent: October 28, 2003
    Assignee: Pentech Pharmaceuticals, Inc.
    Inventors: Bruce Ronsen, Ragab El-Rashidy
  • Patent number: 6566368
    Abstract: Impotence can be ameliorated without substantial undesirable side effects by nasal administration of apomorphine, optionally with an antiemetic agent present in an amount sufficient to substantially reduce nausea symptoms that may be associated with the use of apomorphine.
    Type: Grant
    Filed: October 23, 2001
    Date of Patent: May 20, 2003
    Assignee: Pentech Pharmaceuticals, Inc.
    Inventors: Ragab El-Rashidy, Bruce Ronsen
  • Publication number: 20030073715
    Abstract: Impotence can be ameliorated without substantial undesirable side effects by nasal administration of apomorphine, optionally with an antiemetic agent present in an amount sufficient to substantially reduce nausea symptoms that may be associated with the use of apomorphine.
    Type: Application
    Filed: October 23, 2001
    Publication date: April 17, 2003
    Inventors: Ragab El-Rashidy, Bruce Ronsen
  • Publication number: 20030032809
    Abstract: Described herein are methods for manufacturing amorphous paroxetine hydrochloride by mixing a carboxylic acid salt of paroxetine with hydrogen chloride and isolating the amorphous paroxetine hydrochloride. Also described herein are methods for manufacturing substantially pure paroxetine free base and methods for obtaining paroxetine salts such as paroxetine acetate, paroxetine trifluoroacetate, and paroxetine formate. Also described are methods for preparing paroxetine carbonate, paroxetine phosphate, paroxetine sulfate, and analogous salts thereof. The paroxetine salts may be formulated for the treatment of medical disorders as described.
    Type: Application
    Filed: April 25, 2002
    Publication date: February 13, 2003
    Inventors: Subhash P. Upadhyaya, Bruce Ronsen, Bryant Wojcik
  • Publication number: 20030008902
    Abstract: Methods for preparing a wet granule formulation of paroxetine hydrochloride are disclosed. The formulations are suitable for tabletting and capsulation.
    Type: Application
    Filed: June 21, 2002
    Publication date: January 9, 2003
    Inventors: Bruce Ronsen, Venkata R. Kota, Yogesh Sadhale
  • Patent number: 6503927
    Abstract: A stable amorphous paroxetine hydrochloride composition suitable as a therapeutic agent is prepared employing an aqueous solvent medium containing an acidulant and polyvinylpyrrolidone and drying the resulting solid dispersion. The preferred compositions include amorphous paroxetine hydrochloride, polyvinylpyrrolidone and citric acid.
    Type: Grant
    Filed: October 28, 1999
    Date of Patent: January 7, 2003
    Assignee: Pentech Pharmaceuticals, Inc.
    Inventors: Bruce Ronsen, Yogesh D. Sadhale, Ragab El-Rashidy
  • Publication number: 20010053862
    Abstract: A process for the synthesis of arylpiperidine carbinol intermediates and derivatives is disclosed.
    Type: Application
    Filed: March 22, 2001
    Publication date: December 20, 2001
    Inventors: Bruce Ronsen, Subhash P. Upadhyaya
  • Patent number: 6306437
    Abstract: Psychogenic impotence can be ameliorated without substantial undesirable side effects by administration of apomorphine and an antiemetic agent in an amount sufficient to substantially reduce nausea symptoms associated with the use of apomorphine.
    Type: Grant
    Filed: June 29, 2000
    Date of Patent: October 23, 2001
    Assignee: Pentech Pharmaceuticals, Inc.
    Inventors: Ragab El-Rashidy, Bruce Ronsen
  • Patent number: 6193992
    Abstract: Sexual dysfunction in human females can be ameliorated, without substantial undesirable side effects, by apomorphine. Administration of apomorphine increases nerve stimulated clitoral intracavernosal blood flow and vaginal wall blood flow for enhanced clitoral erection and vaginal engorgement in a female. A plasma concentration of apomorphine of no more than about 5.5 nanograms per milliliter is preferably maintained.
    Type: Grant
    Filed: July 2, 1999
    Date of Patent: February 27, 2001
    Assignee: Pentech Pharmaceuticals, Inc.
    Inventors: Ragab El-Rashidy, Bruce Ronsen
  • Patent number: 6121276
    Abstract: Psychogenic impotence can be ameliorated without substantial undesirable side effects by administration of apomorphine and an antiemetic agent in an amount sufficient to substantially reduce nausea symptoms associated with the use of apomorphine.
    Type: Grant
    Filed: June 22, 1998
    Date of Patent: September 19, 2000
    Assignee: Pentech Pharmaceuticals, Inc.
    Inventors: Ragab El-Rashidy, Bruce Ronsen
  • Patent number: 5994363
    Abstract: Symptoms of Parkinson's disease and psychogenic male erectile dysfunction (MED) can be ameliorated through the use of apomorphine. The adverse side effects of apomorphine administration, such as nausea, vomiting, yawning, and cardiovascular effects, can be significantly reduced by a dose escalating method of acclimatization. An initial dose of apomorphine is administered to the patient, and subsequently increased over a period of time until a final apomorphine dose in excess of a desired therapeutic dose has been received by the patient. Thereafter a therapeutic dose of apomorphine, less than the final apomorphine dose, is administered to the patient with attendant reduced side effects.
    Type: Grant
    Filed: August 24, 1998
    Date of Patent: November 30, 1999
    Assignee: Pentech Pharmaceuticals, Inc.
    Inventors: Ragab El-Rashidy, Bruce Ronsen
  • Patent number: 5945117
    Abstract: Sexual dysfunction in human females can be ameliorated, without substantial undesirable side effects, by sublingual administration of apomorphine dosage forms. Administration of apomorphine increases nerve stimulated clitoral intracavernosal blood flow and vaginal wall blood flow for enhanced clitoral erection and vaginal engorgement in a female. A plasma concentration of apomorphine of no more than about 5.5 nanograms per milliliter is preferably maintained.
    Type: Grant
    Filed: January 30, 1998
    Date of Patent: August 31, 1999
    Assignee: Pentech Pharmaceuticals, Inc.
    Inventors: Ragab El-Rashidy, Bruce Ronsen
  • 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
  • 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
  • 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
  • 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
  • Patent number: 5010058
    Abstract: Derivatives of 1,2-O-isopropylidene-.alpha.,D-glucofuranose and intermediates for preparing these derivatives are described. These derivatives are useful for treating animals and mammals with inflammatory and/or autoimmune disorders such as autoimmune deficiency syndrome, psoriasis, atopic dermatitus, rheumatoid arthritis, osteoarthritis, scleroderma and systemic lupus erythematosus.
    Type: Grant
    Filed: June 22, 1989
    Date of Patent: April 23, 1991
    Assignee: 501 Greenwich Pharmaceuticals Incorporated
    Inventors: Bruce Ronsen, Sudershan K. Arora, Albert V. Thomas
  • Patent number: 4996195
    Abstract: Derivatives of -.alpha.,D-glucofuranose .alpha.,D-allanfuranose and intermediates for preparing these derivatives are described. These derivatives are useful for treating animals and mammals with inflammatory and/or autoimmune disorders such as psoriasis, atopic dermatitus, rheumatoid arthritis, osterarthritis, scleroderma and systemic lupus erythematosus.
    Type: Grant
    Filed: January 9, 1989
    Date of Patent: February 26, 1991
    Assignee: Greenwich Pharmaceuticals Inc.
    Inventors: Bruce Ronsen, Sudershan K. Arora, Albert V. Thomas
  • Patent number: 4056322
    Abstract: Ethereally substituted monosaccharides are prepared from certain selectively derivatized monosaccharides. In practicing the method:1. a monosaccharide derivative having the general formula A.sub.1 -O-H, wherein O is oxygen, H is hydrogen and A.sub.
    Type: Grant
    Filed: March 28, 1975
    Date of Patent: November 1, 1977
    Assignee: Strategic Medical Research Corporation
    Inventors: Paul Gordon, Bruce Ronsen, Shrikant V. Kulkarni