Patents by Inventor Canh Le

Canh Le 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: 10899776
    Abstract: The present document describes compounds resulting from the complexation of quaternary ammonium compounds with boric acid and/or its derivatives, and methods of making the same, and methods of using the same for the treatment of pathogenic infections.
    Type: Grant
    Filed: May 13, 2019
    Date of Patent: January 26, 2021
    Assignee: CANH FEED SOLUTIONS CORP.
    Inventors: Tien Canh Le, Giuliano Lafrenière Di Fruscia
  • Publication number: 20200108017
    Abstract: The present document describes a monolithic tablet dosage form for delivery of an active ingredient at two different release rates comprising a carboxyl polymer complexed with a multivalent cation and a disintegrating agent for a first initial fast release of the active ingredient, and a modulating agent for a second sustained release of the active ingredient. Also described are processes for preparing the carboxyl polymer complexed with a multivalent cation, and carboxyl polymer made from the process.
    Type: Application
    Filed: December 5, 2019
    Publication date: April 9, 2020
    Inventors: Tien Canh LE, Mircea-Alexandru MATEESCU
  • Publication number: 20200102332
    Abstract: The present document describes compounds resulting from the complexation of quaternary ammonium compounds with boric acid and/or its derivatives, and methods of making the same, and methods of using the same for the treatment of pathogenic infections.
    Type: Application
    Filed: May 13, 2019
    Publication date: April 2, 2020
    Inventors: TIEN CANH LE, Giuliano Lafrenière Di Fruscia
  • Publication number: 20200054565
    Abstract: The present document describes a dosage form for delivery of an active ingredient comprising: a first carboxylated polymer having carboxyl groups, having a degree of substitution of at least 0.2, a molecular weight of at least 200 kDa, and at least 30% of said carboxyl groups being complexed with a divalent cation; alone or in a co-complex with at least one of a) a control release polymer chosen from an insoluble polymer or a polymer having a reduced water solubility at 30° C., and a soluble polymer; and b) a second carboxylated polymer having carboxyl groups complexed with a divalent cation. The document also describes processes of making a carboxylated polymer having carboxyl groups, having a degree of substitution of at least 0.2, a molecular weight of at least 200 kDa, and at least 30% of said carboxyl groups being complexed with a divalent cation, and an inclusion complex, a co-complex, or both comprising the same.
    Type: Application
    Filed: October 23, 2019
    Publication date: February 20, 2020
    Inventors: Mircea-Alexandru Mateescu, Tien Canh Le
  • Patent number: 10344043
    Abstract: The present document describes compounds resulting from the complexation of quaternary ammonium compounds with boric acid and/or its derivatives, and methods of making the same, and methods of using the same for the treatment of pathogenic infections.
    Type: Grant
    Filed: April 14, 2016
    Date of Patent: July 9, 2019
    Inventors: Tien Canh Le, Giuliano Lafrenière Di Fruscia
  • Publication number: 20190070299
    Abstract: The present document describes a pharmaceutical excipient composition comprising a functionalized anionic polysaccharide having carboxyl groups complexed with an amino acid-divalent cation complex, monolithic solid dosage forms for dual rate release of an active pharmaceutical ingredient, comprising the pharmaceutical excipient composition and active pharmaceutical ingredients, as well as processes for preparing the pharmaceutical excipient composition.
    Type: Application
    Filed: February 23, 2017
    Publication date: March 7, 2019
    Inventor: Tien Canh LE
  • Publication number: 20190060466
    Abstract: The present document describes a process for the preparation of a low functionalization polysaccharide having carboxyl groups, comprising a) swelling of a polysaccharide granule in boiling water or a water/polyol mixture, to obtain a swollen polysaccharide; b) partial gelatinization of said swollen polysaccharide in an alkaline solvent mixture of water and alcohol and/or polyol, to obtain a partially gelatinized polysaccharide; and c) partial functionalization of said partially gelatinized polysaccharide with a functionalizing agent, to obtain the low functionalization polysaccharide.
    Type: Application
    Filed: February 23, 2017
    Publication date: February 28, 2019
    Inventor: Tien Canh LE
  • Publication number: 20180127439
    Abstract: The present document describes compounds resulting from the complexation of quaternary ammonium compounds with boric acid and/or its derivatives, and methods of making the same, and methods of using the same for the treatment of pathogenic infections.
    Type: Application
    Filed: April 14, 2016
    Publication date: May 10, 2018
    Inventors: Tien Canh LE, Giuliano LAFRENIÈRE DI FRUSCIA
  • Publication number: 20170296470
    Abstract: The present document describes a monolithic tablet dosage form for delivery of an active ingredient at two different release rates comprising a carboxyl polymer complexed with a multivalent cation and a disintegrating agent for a first initial fast release of the active ingredient, and a modulating agent for a second sustained release of the active ingredient. Also described are processes for preparing the carboxyl polymer complexed with a multivalent cation, and carboxyl polymer made from the process.
    Type: Application
    Filed: June 29, 2017
    Publication date: October 19, 2017
    Inventors: Tien Canh LE, Mircea-Alexandru MATEESCU
  • Publication number: 20170072069
    Abstract: The present document describes a powder composition comprising a functionalized starch having a single helix V-structure and having a degree of substitution of at least 0.25, and a bioactive agent, forming an inclusion complex with said functionalized starch, where the bioactive agent is within the helix V-structure of the functionalized starch having a single helix V-structure. Also described are the functionalized starch having a single helix V-structure and having a degree of substitution of at least 0.25, methods of making the same and methods of using the same to manufacture the powder composition.
    Type: Application
    Filed: February 25, 2015
    Publication date: March 16, 2017
    Applicant: B-ORGANIC FILMS CORP.
    Inventors: Tien Canh LE, Mircea-Alexandru MATEESCU
  • Publication number: 20170049705
    Abstract: The present document describes a dosage form for delivery of an active ingredient comprising: a first carboxylated polymer having carboxyl groups, having a degree of substitution of at least 0.2, a molecular weight of at least 200 kDa, and at least 30% of said carboxyl groups being complexed with a divalent cation; alone or in a co-complex with at least one of a) a control release polymer chosen from an insoluble polymer or a polymer having a reduced water solubility at 30° C., and a soluble polymer; and b) a second carboxylated polymer having carboxyl groups complexed with a divalent cation. The document also describes processes of making a carboxylated polymer having carboxyl groups, having a degree of substitution of at least 0.2, a molecular weight of at least 200 kDa, and at least 30% of said carboxyl groups being complexed with a divalent cation, and an inclusion complex, a co-complex, or both comprising the same.
    Type: Application
    Filed: April 28, 2015
    Publication date: February 23, 2017
    Inventors: Mircea-Alexandru MATEESCU, Tien Canh LE
  • Publication number: 20120283873
    Abstract: The present invention discloses a system and method for monitoring and diagnosing a robot mechanism. This requires adding intelligence to the diagnostics by parameters of physical robot arm linkages respecting component relative rotation or load transfer; storing rotation or translation relationship parameters characteristic of resonant frequencies between at least one mechanical link; receiving servo motor signals; digitizing and storing servo known normal data time histories; performing a time domain to frequency domain transformation on signal to identify components which are out-of band limit pre-sets.
    Type: Application
    Filed: May 3, 2011
    Publication date: November 8, 2012
    Inventor: Canh Le
  • Patent number: 7973508
    Abstract: The present invention discloses a system and method for monitoring and diagnosing a robot mechanism. This requires adding intelligence to the diagnostics by parameters of physical robot arm linkages respecting component relative rotation or load transfer; storing rotation or translation relationship parameters characteristic of resonant frequencies between at least one mechanical link; receiving servo motor signals; digitizing and storing servo known normal data time histories; performing a time domain to frequency domain transformation on signal to identify components which are out-of band limit pre-sets.
    Type: Grant
    Filed: December 10, 2007
    Date of Patent: July 5, 2011
    Assignee: XyZ Automation Inc.
    Inventor: Canh Le
  • Publication number: 20100155073
    Abstract: Systems and methods for improved hydraulic control systems for actuation of subsea equipment in deep water are disclosed. The hydraulic control system relies on smaller fluid flow associated with a hydraulic pressure pulse to actuate the small volume actuation control valve. In one embodiment, the system includes small diameter control umbilical hoses and pilot-operated valves with low actuation volumes. Particularly, a hydraulic control system for reducing the signal time to a subsea blowout preventer in water depth up to and greater than about 5000 feet. Some embodiments comprise a valve arrangement which hydraulically actuate one side of a hydraulic control function, while simultaneously evacuating the opposing circuit both at the seabed and at the surface. Some embodiments comprise an umbilical hose located proximate the center of an umbilical bundle. Preferably, the umbilical hose has a plurality of layers of reinforcing fibers which increase with the diameter of the reinforcement layer.
    Type: Application
    Filed: September 4, 2009
    Publication date: June 24, 2010
    Applicant: DIAMOND OFFSHORE DRILLING, INC.
    Inventors: Robert Norman Blank, John Stephen Hiltpold, Tri Canh Le, Brian Frank Matteucci, Patrick D.M. Rogan, Abner Bernard Simmons, Thomas Benjamin Thrash, JR., Patricia Thrash
  • Publication number: 20100070077
    Abstract: The present invention describes a system and method for monitoring robotic arm drift in an automatic real-time continuous fashion, having a controller, memory, servo motor with encoder, robotic arm manipulator linkages, position decoder and counter logic for each link, software instructions as logic stored in memory for enabling the robot, under control of the controller for receiving proximity sensor data from at least one set of marker and link mounted sensor pair, storing proximity sensor data from pair in the memory, comparing the pair position with previous samples, and raising an alert signal where the pair disparity exceeds a pre-set limit. The sensor set disparity over time plots the mechanical drift which is continuously monitored in real-time during normal work operation and addressed in real-time.
    Type: Application
    Filed: September 15, 2008
    Publication date: March 18, 2010
    Applicant: XYZ Automation
    Inventor: Canh Le
  • Publication number: 20090146601
    Abstract: The present invention discloses a system and method for monitoring and diagnosing a robot mechanism. This requires adding intelligence to the diagnostics by parameters of physical robot arm linkages respecting component relative rotation or load transfer; storing rotation or translation relationship parameters characteristic of resonant frequencies between at least one mechanical link; receiving servo motor signals; digitizing and storing servo known normal data time histories; performing a time domain to frequency domain transformation on signal to identify components which are out-of band limit pre-sets.
    Type: Application
    Filed: December 10, 2007
    Publication date: June 11, 2009
    Inventor: Canh Le
  • Publication number: 20090076168
    Abstract: The present invention relates to a modified polysaccharide prepared from the reaction between a polysaccharide comprising a plurality of monosaccharide subunits having at least one primary amino group, and an hydrophobic aldehyde. The aldehyde and the amino group form together an imine or amine group. The process for preparation and use in cosmetic, pharmaceutical and food industry of the modified polysaccharide is also disclosed.
    Type: Application
    Filed: March 3, 2006
    Publication date: March 19, 2009
    Inventors: Tien Canh Le, Catherine Dupuis
  • Patent number: 7195224
    Abstract: A blowout preventer having a main body, a ram system with ram apparatus, a movement system with movable shaft apparatus connected to the ram apparatus, the ram apparatus movable from a first open-ram position to a second closed-ram position, the movable shaft apparatus including a locking shaft portion having a tapered portion, a locking system for selectively locking the ram apparatus in the closed position and having locking member apparatus having a primary tapered surface in contact with the locking shaft portion which is movable with the so that the primary tapered surface contacts the tapered portion of the locking shaft portion to releasably lock the movable shaft apparatus.
    Type: Grant
    Filed: February 1, 2005
    Date of Patent: March 27, 2007
    Assignee: Varco I/P, Inc.
    Inventor: Tri Canh Le
  • Patent number: 7185546
    Abstract: Systems and methods for measuring belt tension in a semiconductor processing system include measuring a natural sound or an acceleration of the belt in the semiconductor processing system; digitizing the natural sound or the acceleration; determining the frequency and characterizing the belt tension as a function of the frequency.
    Type: Grant
    Filed: June 14, 2004
    Date of Patent: March 6, 2007
    Assignee: ASCENX
    Inventor: Canh Le
  • Publication number: 20050288898
    Abstract: Systems and methods are disclosed for analyzing machine operational characteristic by digitizing an electrical parameter associated with a motor; applying a transform operation to the electrical parameter of the motor; and determining failure based on the transform operation.
    Type: Application
    Filed: June 14, 2004
    Publication date: December 29, 2005
    Inventor: Canh Le