Patents Assigned to Barr Laboratories, Inc.
  • Patent number: 10010543
    Abstract: The disclosure generally relates to tamper-resistant transdermal dosage forms. The dosage forms can comprise an active agent and more than one antagonist reservoir.
    Type: Grant
    Filed: December 23, 2015
    Date of Patent: July 3, 2018
    Assignee: Barr Laboratories, Inc.
    Inventors: John Tang, Prashant Patel, Bhavik Patel, Longchun Yu
  • Patent number: 8076319
    Abstract: The present invention includes methods for preventing endometrial hyperplasia associated with estrogen therapy through the administration of a progestin agent. The methods presented may include starting the administration of a progestin agent at a high dose, and then lowering the dose.
    Type: Grant
    Filed: February 4, 2010
    Date of Patent: December 13, 2011
    Assignee: Barr Laboratories, Inc.
    Inventor: Thomas W. Leonard
  • Patent number: 7811604
    Abstract: The present invention is directed to non-effervescent, orally disintegrating dosage forms comprising free base clozapine that are substantially free of acids, water-soluble polymers, taste-masking polymers, and coatings, and methods of making and using the same.
    Type: Grant
    Filed: November 14, 2006
    Date of Patent: October 12, 2010
    Assignee: Barr Laboratories, Inc.
    Inventors: Salah U. Ahmed, Lianli Li, Tahseen A. Chowdhury
  • Patent number: 7683047
    Abstract: The present invention includes methods for preventing endometrial hyperplasia associated with estrogen therapy through the administration of a progestin agent. The methods presented may include starting the administration of a progestin agent at a high dose, and then lowering the dose.
    Type: Grant
    Filed: August 15, 2008
    Date of Patent: March 23, 2010
    Assignee: Barr Laboratories, Inc.
    Inventor: Thomas W. Leonard
  • Patent number: 7427609
    Abstract: The present invention includes methods for preventing endometrial hyperplasia associated with estrogen therapy through the administration of a progestin agent. The methods presented may include starting the administration of a progestin agent at a high dose, and then lowering the dose.
    Type: Grant
    Filed: October 3, 2003
    Date of Patent: September 23, 2008
    Assignee: Barr Laboratories, Inc.
    Inventor: Thomas W. Leonard
  • Patent number: 7390503
    Abstract: An ondansetron solid orally disintegrating dosage form for oral administration having at least one first water-dispersible component or water-insoluble cellulose derivative, a component having a —CHOH functional group, a disintegrating agent and at least one lubricant is provided. The dosage form can comprise ondansetron, a hydrophilic polymer such as microcrystalline cellulose, a component having a —CHOH functional group such as mannitol or xylitol and a disintegrating agent such as crospovidone. The lubricant may be a mixture of magnesium stearate, sodium stearyl fumarate and colloidal silicon dioxide. The present invention provides a non-effervescent tablet comprising the ondansetron dosage form. Another aspect of the invention is the treatment of emesis such as nausea and vomiting caused by cancer chemotherapy and radiation by the administration of the ondansetron formulation of the present composition.
    Type: Grant
    Filed: August 23, 2004
    Date of Patent: June 24, 2008
    Assignee: Barr Laboratories, Inc.
    Inventors: Salah U. Ahmed, Sudhir R. Gorukanti, Tahseen A. Chowdhury
  • Patent number: 7297801
    Abstract: The present invention relates to processes for the production of 2-oxa-3-one androstane derivatives. The processes comprise reacting a 3-one androstane derivative with ozone to form a 2-oxa-3-one androstane derivative.
    Type: Grant
    Filed: February 13, 2004
    Date of Patent: November 20, 2007
    Assignee: Barr Laboratories, Inc.
    Inventor: Garratt W. Ponder
  • Publication number: 20070218130
    Abstract: The present invention is generally directed to pharmaceutical compositions and process for the preparation of same which are suitable for oral administration to a human patient, comprising: a pharmaceutically-acceptable salt of 4-amino-1-hydroxybutylidene-1,1-bisphosphonic acid; a non-reducing sugar diluent; a binder; a disintegrant; and a lubricant, and various other excipients.
    Type: Application
    Filed: October 12, 2006
    Publication date: September 20, 2007
    Applicant: Barr Laboratories, Inc.
    Inventors: Salah Ahmed, Pruthvipathy Katikaneni, Gandha Naringrekar, Krishna Venkatesh
  • Patent number: 7179799
    Abstract: Novel estrogenic compounds of Formula I are provided. wherein the bond represented by the wavy line may be a single or double bond such that when the wavy line is a single bond, R1 is selected from the group consisting of hydrogen, sulfate and glucoronate or other esters, and when the wavy line is a double bond, R1 does not exist; R2 is lower alkyl; R3 may be selected from the group consisting of hydrogen, sulfate, or glucuronide or other esters; and R4 through R13 may independently be selected from the group consisting of hydrogen, hydroxy, ketone, lower allyl, lower alkoxy, halogen, and carbonyl groups and R14 is selected from the group consisting of hydrogen, sulfate and glucoronide and other esters. When R1 is hydroxy, the hydroxy or ester substituent may have either an ? or a ? orientation. Compositions of matter including compounds of the present invention are also provided as are methods of treating mammals in need of treatment using compounds of the present invention.
    Type: Grant
    Filed: July 23, 2003
    Date of Patent: February 20, 2007
    Assignee: Barr Laboratories, Inc.
    Inventors: Edward N. Hill, Frederick D. Sancilio, Robert R. Whittle
  • Patent number: 7009063
    Abstract: The present invention relates to a process for the synthesis of oxandrolone from mestanolone. The process comprises the steps of: (a) oxidizing mestanolone to form 17?-hydroxy-17?-methyl-5?-androst-1-en-3-one; (b) hydroxylating the 17?-hydroxy-17?-methyl-5?-androst-1-en-3-one to form 1?, 2?, 17?-trihydroxy-17?-methylandrostan-3-one; (c) cleaving the 1?, 2?, 17?-trihydroxy-17?-methylandrostan-3-one to form 17?-hydroxy-17?-methyl-1-oxo-1,2,-seco-A-nor-5?-androstan-2-oic acid; and (d) reducing the 17?-hydroxy-17?-methyl-1-oxo-1,2,-seco-A-nor-5?-androstan-2-oic acid to form oxandrolone.
    Type: Grant
    Filed: May 24, 2004
    Date of Patent: March 7, 2006
    Assignee: Barr Laboratories, Inc.
    Inventors: Shaileshkumar Ramanlal Desai, David Wayne Ray, Jr., Yousry A. Sayed
  • Patent number: 6992075
    Abstract: The present invention relates to novel estrogenic compounds. The present invention also relates to methods of treating estrogen deprivation in a subject comprising administering novel estrogenic compounds. Additionally, the present invention relates to methods of synthesizing novel estrogenic compounds.
    Type: Grant
    Filed: April 4, 2003
    Date of Patent: January 31, 2006
    Assignee: Barr Laboratories, Inc.
    Inventors: Edward N. Hill, Thomas W. Leonard, Robert R. Whittle
  • Publication number: 20040253308
    Abstract: The present invention is directed to solid oral dosage forms comprising surface-treated particles comprising modafinil particles and a hydrophilic treating agent, methods of making the same, and uses thereof
    Type: Application
    Filed: April 29, 2004
    Publication date: December 16, 2004
    Applicant: Barr Laboratories, Inc.
    Inventors: Salah U. Ahmed, Muhammed A. Hossain, Pruthvi R. Katikaneni, Zhijun Jiang
  • Publication number: 20040222123
    Abstract: The present invention is directed towards a kit to accompany a supply of a long-term use pharmaceutical. The kit includes at least a supply of a long-term use pharmaceutical, printed matter, and a pre-recorded media device. The kit may also include a planner and a reminder tool. The present invention also includes a container for storing at least the supply of the long-term use pharmaceutical, the printed matter, and the pre-recorded media device.
    Type: Application
    Filed: May 6, 2003
    Publication date: November 11, 2004
    Applicant: Barr Laboratories, Inc.
    Inventor: Amy C. Niemann
  • Patent number: 6787659
    Abstract: The present invention relates to a process for the synthesis of oxandrolone from mestanolone. The process comprises the steps of: (a) oxidizing mestanolone to form 17&bgr;-hydroxy-17&agr;-methyl-5&agr;-androst-1-en-3-one; (b) hydroxylating the 17&bgr;-hydroxy-17&agr;-methyl-5&agr;-androst-1-en-3-one to form 1&agr;, 2&agr;, 17&bgr;-trihydroxy-17&agr;-methylandrostan-3-one; (c) cleaving the 1&agr;, 2&agr;, 17&bgr;-trihydroxy-17&agr;-methylandrostan-3-one to form 17&bgr;-hydroxy-17&agr;-methyl-1-oxo-1,2,-seco-A-nor-5&agr;-androstan-2-oic acid; and (d) reducing the 17&bgr;-hydroxy-17&agr;-methyl-1-oxo-1,2,-seco-A-nor-5&agr;-androstan-2-oic acid to form oxandrolone.
    Type: Grant
    Filed: December 11, 2001
    Date of Patent: September 7, 2004
    Assignee: Barr Laboratories, Inc.
    Inventors: Shaileshkumar Ramanlal Desai, David Wayne Ray, Jr., Yousry A. Sayed
  • Publication number: 20040138180
    Abstract: The present invention is generally directed to pharmaceutical compositions and process for the preparation of same which are suitable for oral administration to a human patient, comprising: a pharmaceutically-acceptable salt of 4-amino-1-hydroxybutylidene-1,1-bisphosphonic acid; a non-reducing sugar diluent; a binder; a disintegrant; and a lubricant, and various other excipients.
    Type: Application
    Filed: October 3, 2003
    Publication date: July 15, 2004
    Applicant: Barr Laboratories, Inc.
    Inventors: Salah U. Ahmed, Pruthvipathy R. Katikaneni, Gandha Naringrekar, Krishna K. Venkatesh
  • Patent number: 6613758
    Abstract: The present invention provides a method for preventing or treating osteoporosis in a castrated prostatic cancer patient, by administering to the patient an amount of from 10 mg to 300 mg cyproterone acetate per day. The present therapy is compatible with the patients' anti-cancer treatment.
    Type: Grant
    Filed: April 2, 1999
    Date of Patent: September 2, 2003
    Assignee: Barr Laboratories, Inc.
    Inventor: Robert G. Bell
  • Publication number: 20030139381
    Abstract: This invention relates to a method of preventing pregnancy and treating PMS including PMDD. More particularly, the invention relates to a method, which involves administering one of several combination oral contraceptive regimens in combination with an antidepressant and a kit containing the same.
    Type: Application
    Filed: December 4, 2002
    Publication date: July 24, 2003
    Applicant: Barr Laboratories, Inc.
    Inventors: Robert G. Bell, Carole Ben-Maimon, Beata Iskold
  • Patent number: 6221390
    Abstract: A novel pharmaceutical combination is described, together with a method of making the same and a method of treating hypertensive patients using the same, wherein (1) the pharmaceutically active antihypertensive agent and citric acid and (2) the pharmaceutically active antikaliuretic agent and a nonionic surfactant are mixed, either together or separately, to form an essentially homogenous combination composition, and only thereafter blending with excipients to form the novel combination composition in solid dosage form.
    Type: Grant
    Filed: August 25, 1997
    Date of Patent: April 24, 2001
    Assignee: Barr Laboratories, Inc.
    Inventors: Salah U. Ahmed, Gandha Naringrekar
  • Patent number: 6165504
    Abstract: A method for treating hot flashes in a castrated prostatic cancer patient who is diagnosed with hot flashes warranting treatment or who is experiencing at least approximately 5 hot flashes per day is provided in which from 25 mg to 150 mg cyproterone acetate per day is orally administered to the patient. A method for improving the multidimensional quality of life of such a patient is also provided. Palliative therapy for an advanced stage patient also improves quality of life.
    Type: Grant
    Filed: September 23, 1998
    Date of Patent: December 26, 2000
    Assignee: Barr Laboratories, Inc.
    Inventor: Robert G. Bell
  • Patent number: 4973596
    Abstract: The invention provides a novel method of administering meperidine or its pharmaceutically acceptable salts and novel dosage forms containing these compounds which are adapted for nasal administration. The nasal dosage forms disclosed include solutions, suspensions, gels and ointments.
    Type: Grant
    Filed: May 20, 1988
    Date of Patent: November 27, 1990
    Assignee: Barr Laboratories, Inc.
    Inventor: Edwin A. Cohen