Patents Assigned to Thar Technologies, Inc.
  • Patent number: 7722771
    Abstract: The present invention provides methods and apparatuses for the continuous processing and solids handling in near-critical and supercritical fluids. The present invention also allows for treatment of the starting material with the near-critical or supercritical fluid. The remaining raffinate is then continuously transferred and may be collected in a barrier fluid.
    Type: Grant
    Filed: April 12, 2005
    Date of Patent: May 25, 2010
    Assignee: Thar Technologies, Inc.
    Inventors: Lalit Chordia, Jose L. Martinez, Bhishmakumar Desai, Andrew Kegler
  • Patent number: 7091366
    Abstract: The present invention provides a means for the recovery of residual specialty oils from cake using a compressed solvent, preferably carbon dioxide. The present invention also allows for the cake to be toasted before extraction. The compressed solvent can be recycled and the process is continuous.
    Type: Grant
    Filed: September 24, 2004
    Date of Patent: August 15, 2006
    Assignee: Thar Technologies, inc.
    Inventors: Lalit Chordia, Jose L. Martinez
  • Patent number: 6908557
    Abstract: The present invention provides a method and device for collecting and concentrating a desired compound from a chromatographic column exit stream. The collection chamber can be heated or cooled and washed in a forward or backward direction for efficient removal.
    Type: Grant
    Filed: June 24, 2003
    Date of Patent: June 21, 2005
    Assignee: Thar Technologies, Inc.
    Inventors: Lalit Chordia, Harbaksh Sidhu
  • Publication number: 20040202681
    Abstract: The invention is directed to a process for preparing a pharmaceutical formulation containing two or more active pharmaceutical ingredients comprising: (a) contacting two or more active pharmaceutical ingredients with a supercritical fluid to form a supercritical fluid solution; and (b) separating the active ingredients from the supercritical solution to yield a powder precipitate. Preferably, the pharmaceutical formulation prepared according to the invention contains a combination of two anti-infective agents or two anticancer agents. The invention is further directed to a process for preparing a pharmaceutical formulation containing two or more active pharmaceutical ingredients comprising: (a) combining two or more active ingredients with a cosolvent to form a solution; (b) contacting the solution with a supercritical fluid; and (c) recovering the precipitate in a powder form.
    Type: Application
    Filed: December 19, 2003
    Publication date: October 14, 2004
    Applicants: BAXTER INTERNATIONAL, INC., THAR TECHNOLOGIES, INC.
    Inventors: Satish Pejaver, Navneet Puri, Poongunran Muthukumaran, Lalit Chordia