Patents by Inventor Timothy Weng

Timothy Weng 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 alfuzosin hydrochloride formulation
    Publication number: 20070292505
    Abstract: In certain embodiments the invention is directed to a single layer controlled release pharmaceutical formulation comprising a tablet consisting of a single layer matrix comprising a therapeutically effective amount of alfuzosin or a pharmaceutically acceptable salt thereof dispersed in a controlled release material, wherein the formulation following single dose administration under fed conditions exhibits a mean time to maximum plasma concentration of about 3 hours to about 14 hours.
    Type: Application
    Filed: June 15, 2006
    Publication date: December 20, 2007
    Applicant: Abrika Pharmaceuticals, Inc.
    Inventors: Tianrun Yang, Timothy Weng
  • Dosage forms comprising a short acting sedative-hypnotic or salt thereof
    Publication number: 20070286902
    Abstract: In certain embodiments the invention is directed to an oral solid pharmaceutical dosage form comprising: a first portion of a short acting sedative-hypnotic in an release immediate release component; and a second portion of the sedative-hypnotic in a delayed component, the delayed release component comprising (i) a unitary core comprising the second portion of sedative-hypnotic dispersed in a controlled release matrix and (ii) a delayed release coating surrounding the core.
    Type: Application
    Filed: June 7, 2006
    Publication date: December 13, 2007
    Applicant: ABRIKA Pharmaceuticals
    Inventors: Jianbo Xie, Timothy Weng, Mongkol Sriwongjanya
  • Controlled release bupropion dosage forms
    Publication number: 20060257483
    Abstract: A controlled release pharmaceutical dosage form comprising bupropion or pharmaceutically acceptable salt thereof.
    Type: Application
    Filed: May 10, 2005
    Publication date: November 16, 2006
    Applicant: ABRIKA Pharmaceuticals
    Inventors: Tianrun Yang, Timothy Weng
  • Once a day antihistamine and decongestant formulation
    Patent number: 6994871
    Abstract: A controlled release pharmaceutical formulation for the administration of an antihistamine and decongestant to a patient wherein the formulation employs a compressed matrix core for the controlled release of a decongestant and an immediate release coating for the immediate release of the antihistamine.
    Type: Grant
    Filed: September 16, 2002
    Date of Patent: February 7, 2006
    Assignee: Andrx Pharmaceuticals, Inc.
    Inventors: Mongkol Sriwongjanya, Timothy Weng, David Barman, Unchalee Kositprapa
  • Omeprazole formulation
    Patent number: 6780435
    Abstract: A pharmaceutical composition of omeprazole for oral administration is described which consists essentially of: (a) a pellet comprising an inert core component, a therapeutically effective amount of omeprazole, a surface active agent, a filler, a pharmaceutically acceptable alkaline agent and a binder; and (b) a single layer of coating on said pellet which comprises a layer of an enteric coating agent.
    Type: Grant
    Filed: October 23, 2002
    Date of Patent: August 24, 2004
    Assignee: Andrx Pharmaceuticals, Inc.
    Inventors: Chih-Ming Chen, Joseph C. H. Chou, Timothy Weng
  • Omeprazole formulation
    Publication number: 20030113376
    Abstract: A pharmaceutical composition of omeprazole for oral administration is described which consists essentially of:
    Type: Application
    Filed: October 23, 2002
    Publication date: June 19, 2003
    Inventors: Chih-Ming Chen, Joseph C.H. Chou, Timothy Weng
  • Once a day antihistamine and decongestant formulation
    Publication number: 20030049319
    Abstract: A controlled release pharmaceutical formulation for the administration of an antihistamine and decongestant to a patient wherein the formulation employs a compressed matrix core for the controlled release of a decongestant and an immediate release coating for the immediate release of the antihistamine.
    Type: Application
    Filed: September 16, 2002
    Publication date: March 13, 2003
    Inventors: Mongkol Sriwongjanya, Timothy Weng, David Barman, Unchalee Kositprapa
  • Controlled release oral dosage form
    Patent number: 6156342
    Abstract: A controlled release dosage form for an analgesic that does not contain an expanding polymer and comprising a core containing the analgesic, preferably tramadol or it pharmaceutically acceptable deviates and a semipermeable membrane coating the core.
    Type: Grant
    Filed: May 26, 1998
    Date of Patent: December 5, 2000
    Assignee: Andex Pharmaceuticals, Inc.
    Inventors: Mongkol Sriwongjanya, Timothy Weng, Joseph Chou, Chih-Ming Chen
  • Omeprazole formulation
    Patent number: 6096340
    Abstract: A pharmaceutical composition of omeprazole for oral administration is described which consists essentially of:(a) a pellet comprising an inert core component, a therapeutically effective amount of omeprazole, a surface active agent, a filler, a pharmaceutically acceptable alkaline agent and a binder; and(b) a single layer of coating on said pellet which comprises a layer of an enteric coating agent.
    Type: Grant
    Filed: November 14, 1997
    Date of Patent: August 1, 2000
    Assignee: Andrx Pharmaceuticals, Inc.
    Inventors: Chih-Ming Chen, Joseph C. H. Chou, Timothy Weng
  • Omeprazole formulation
    Patent number: 6077541
    Abstract: A pharmaceutical composition of omeprazole for oral administration is described which consists essentially of:(a) a pellet comprising an inert core component, a therapeutically effective amount of omeprazole, a surface active agent, a filler, a pharmaceutically acceptable alkaline agent and a binder; and(b) a single layer of coating on said pellet which comprises a layer of an enteric coating agent.
    Type: Grant
    Filed: June 18, 1999
    Date of Patent: June 20, 2000
    Assignee: Andrx Pharmaceuticals, Inc.
    Inventors: Chih-Ming Chen, Joseph C. H. Chou, Timothy Weng