Patents by Inventor Rita Josefina M. Santos

Rita Josefina M. Santos 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).

  • Method for producing extended-release potassium citrate wax matrix tablet
    Patent number: 11033627
    Abstract: The present invention relates to a method for producing extended-release potassium citrate tablet containing camauba wax, wherein the method comprises heating the potassium citrate-carnauba wax mixture to a temperature below the temperature at which carnauba wax liquefies. This invention simplifies the production of extended release potassium citrate wax-matrix tablet.
    Type: Grant
    Filed: September 27, 2012
    Date of Patent: June 15, 2021
    Assignee: Novex Science PTE. Limited
    Inventors: Wendell G. Mendoza, Rita Josefina M. Santos, Eulogio C. Singh, Kennie U. Dee
  • High dose extended-release potassium citrate wax matrix tablet
    Patent number: 9295659
    Abstract: The present invention relates to a high dose extended-release potassium citrate tablet containing carnauba wax, which contains a first portion of melt- or heat-granulated carnauba wax and potassium citrate; and a second portion of non-granulated potassium citrate. The high dose extended-release potassium citrate tablet of this invention has robust batch-to-batch dissolution and friability; and leads to improved production capacity and reduced production cost.
    Type: Grant
    Filed: February 28, 2013
    Date of Patent: March 29, 2016
    Assignee: UNITED LABORATORIES, INC.
    Inventors: Wendell G. Mendoza, Rita Josefina M. Santos, Kennie U. Dee
  • HIGH DOSE EXTENDED-RELEASE POTASSIUM CITRATE WAX MATRIX TABLET
    Publication number: 20150272913
    Abstract: The present invention relates to a high dose extended-release potassium citrate tablet containing carnauba wax, which contains a first portion of melt- or heat-granulated carnauba wax and potassium citrate; and a second portion of non-granulated potassium citrate. The high dose extended-release potassium citrate tablet of this invention has robust batch-to-batch dissolution and friability; and leads to improved production capacity and reduced production cost.
    Type: Application
    Filed: February 28, 2013
    Publication date: October 1, 2015
    Inventors: Wendell G. MENDOZA, Rita Josefina M. SANTOS,, Kennie U. DEE
  • METHOD FOR PRODUCING EXTENDED-RELEASE POTASSIUM CITRATE WAX MATRIX TABLET
    Publication number: 20150231267
    Abstract: The present invention relates to a method for producing extended-release potassium citrate tablet containing camauba wax, wherein the method comprises heating the potassium citrate-carnauba wax mixture to a temperature below the temperature at which carnauba wax liquefies. This invention simplifies the production of extended release potassium citrate wax-matrix tablet.
    Type: Application
    Filed: September 27, 2012
    Publication date: August 20, 2015
    Inventors: Wendell G. MENDOZA, Rita Josefina M. SANTOS, Eulogio C. SINGH, Kennie U. DEE
  • Oral suspension formulation
    Patent number: 7300670
    Abstract: An aqueous pharmaceutical suspension for oral administration of a drug, which suspension maintains its content uniformity for prolonged period.
    Type: Grant
    Filed: April 3, 2002
    Date of Patent: November 27, 2007
    Assignee: Unilab Pharmatech, Ltd.
    Inventors: Danilo R. Venus, Eulogio C. Singh, Rita Josefina M. Santos, Ma. Joyce Bedelia B. Santos, Kennie U. Dee
  • Taste masked aqueous liquid pharmaceutical composition
    Patent number: 7101572
    Abstract: A substantially taste masked liquid pharmaceutical composition containing a pharmaceutically effective amount of an unpleasant tasting drug dissolved or dispersed in an aqueous excipient base, said excipient base comprising polyvinyl pyrrolidone and/or copolyvidone, and high molecular weight polyethylene glycol.
    Type: Grant
    Filed: December 7, 2001
    Date of Patent: September 5, 2006
    Assignee: Unilab Pharmatech, Ltd.
    Inventors: Joyce Bedelia B. Santos, Rita Josefina M. Santos, Kennie U. Dee
  • Oral suspension formulation
    Publication number: 20030191192
    Abstract: An aqueous pharmaceutical suspension for oral administration of a drug, which suspension maintains its content uniformity for prolonged period.
    Type: Application
    Filed: April 3, 2002
    Publication date: October 9, 2003
    Inventors: Danilo R. Venus, Eulogio C. Singh, Rita Josefina M. Santos, Ma. Joyce Bedelia B. Santos, Kennie U. Dee
  • Taste masked aqueous liquid pharmaceutical composition
    Publication number: 20030118654
    Abstract: A substantially taste masked liquid pharmaceutical composition containing a pharmaceutically effective amount of an unpleasant tasting drug dissolved or dispersed in an aqueous excipient base, said excipient base comprising polyvinyl pyrrolidone and/or copolyvidone, and high molecular weight polyethylene glycol.
    Type: Application
    Filed: December 7, 2001
    Publication date: June 26, 2003
    Inventors: Joyce Bedelia B. Santos, Rita Josefina M. Santos, Kennie U. Dee