Patents by Inventor Andre van Agthoven

Andre van Agthoven 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 of lysis of erythrocytes
    Patent number: 7678583
    Abstract: A multifunctional reagent for erythrocytes containing an amount sufficient to produce the lysis of erythrocytes or the sphering of erythrocytes in such a way that they can be detected by a cytometer or an automatic counting device, of a carbamate or of an agent inducing the formation by the erythrocytes, from carbonate and from a nitrogenated heterocycle or ammonium ions, of a carbamate combined with the absorption of CO2 by the erythrocytes, process for lysing or sphering erythrocytes and preparation process for leucocytes.
    Type: Grant
    Filed: October 8, 2007
    Date of Patent: March 16, 2010
    Assignee: Immunotech, S.A.
    Inventors: Andre van Agthoven, Jean-Pierre Daziano, John Allen Maples
  • Method of Lysis of Erythrocytes
    Publication number: 20080026475
    Abstract: A multifunctional reagent for erythrocytes containing an amount sufficient to produce the lysis of erythrocytes or the sphering of erythrocytes in such a way that they can be detected by a cytometer or an automatic counting device, of a carbamate or of an agent inducing the formation by the erythrocytes, from carbonate and from a nitrogenated heterocycle or ammonium ions, of a carbamate combined with the absorption of CO2 by the erythrocytes, process for lysing or sphering erythrocytes and preparation process for leucocytes.
    Type: Application
    Filed: October 8, 2007
    Publication date: January 31, 2008
    Inventors: Andre van Agthoven, Jean-Pierre Daziano, John Maples
  • Lysis reagent for blood cell analysis
    Patent number: 7300797
    Abstract: A multifunctional reagent for erythrocytes containing an amount sufficient to produce the lysis of erythrocytes or the sphering of erythrocytes in such a way that they can be detected by a cytometer or an automatic counting device, of a carbamate or of an agent inducing the formation by the erythrocytes, from carbonate and from a nitrogenated heterocycle or ammonium ions, of a carbamate combined with the absorption of CO2 by said erythrocytes, process for lysing or sphering erythrocytes and preparation process for leucocytes.
    Type: Grant
    Filed: September 14, 2001
    Date of Patent: November 27, 2007
    Assignee: Immunotech, S.A.
    Inventors: Andre van Agthoven, Jean-Pierre Daziano, John Allen Maples
  • Packaging for photosensitive dyes
    Patent number: 6686004
    Abstract: Packaging comprising a fluorochrome sensitive to visible light placed in a bottle of which at least the side walls form an effective screen against light spectrum radiation between 200 and 900 nm and a process for protecting fluorochromes sensitive to visible light during storage, in which said fluorochromes are placed in a bottle of which at least the side walls form an effective screen against light spectrum radiation between 200 and 900 nm.
    Type: Grant
    Filed: December 17, 2001
    Date of Patent: February 3, 2004
    Assignee: Immunotech
    Inventors: Jean-Pierre Daziano, André van Agthoven
  • Reagent and method for the permeabilization and identification of erythrocytes
    Patent number: 6534279
    Abstract: A process for permeabilizing erythrocytes in which the erythrocytes are subjected successively to the action of (a) a fixing agent containing an aliphatic aldehyde and oligosaccharide, (b) a permeabilizing agent containing a detergent and an oligosaccharide, kit for permeabilizing erythrocytes, kit for immuno-marking fetal erythrocytes, and a process for identifying fetal erythrocytes by immuno-marking.
    Type: Grant
    Filed: June 23, 1999
    Date of Patent: March 18, 2003
    Assignee: Immunotech
    Inventors: André Van Agthoven, Christine Fornelli
  • Packaging for photosensitive dyes
    Publication number: 20020127356
    Abstract: Packaging comprising a fluorochrome sensitive to visible light placed in a bottle of which at least the side walls form an effective screen against light spectrum radiation between 200 and 900 nm and a process for protecting fluorochromes sensitive to visible light during storage, in which said fluorochromes are placed in a bottle of which at least the side walls form an effective screen against light spectrum radiation between 200 and 900 nm.
    Type: Application
    Filed: December 17, 2001
    Publication date: September 12, 2002
    Applicant: IMMUNOTECH
    Inventors: Jean-Pierre Daziano, Andre van Agthoven
  • Multi-functional reagent for erythrocytes
    Publication number: 20020115118
    Abstract: A multifunctional reagent for erythrocytes containing an amount sufficient to produce the lysis of erythrocytes or the sphering of erythrocytes in such a way that they can be detected by a cytometer or an automatic counting device, of a carbamate or of an agent inducing the formation by the erythrocytes, from carbonate and from a nitrogenated heterocycle or ammonium ions, of a carbamate combined with the absorption of CO2 by said erythrocytes, process for lysing or sphering erythrocytes and preparation process for leucocytes.
    Type: Application
    Filed: September 14, 2001
    Publication date: August 22, 2002
    Applicant: IMMUNOTECH
    Inventors: Andre van Agthoven, Jean-Pierre Daziano, John Allen Maples
  • Reagents and a method for the lysis of erythrocytes
    Patent number: 6143567
    Abstract: The lysis of erythrocytes is accomplished by subjecting whole blood treated with an anticoagulant at a pH between 4 and 9 with a nitrogenous heterocyclic compound, most preferably pyrrolidine chloride.
    Type: Grant
    Filed: May 5, 1999
    Date of Patent: November 7, 2000
    Assignee: Immunotech
    Inventors: Andre Van Agthoven, David Jarrossay
  • Preparation for lysing erythrocytes
    Patent number: 5627213
    Abstract: A preparation for lysing erythrocytes, characterized herein so far as the aqueous preparation with a substantially physiological ionic strength comprising a mixture:of an aliphatic aldehyde,of a polyhydric alcohol and,of a salt of a strong acid and of an alkali metal or an alkaline earth metal.
    Type: Grant
    Filed: May 19, 1994
    Date of Patent: May 6, 1997
    Assignee: Immunotech
    Inventor: Andre Van Agthoven
  • Method for the protection of leucocytes and method of blood analysis
    Patent number: 5599682
    Abstract: A method for protecting leukocytes in a blood sample, comprising contacting the blood sample with a preparation comprising an aliphatic aldehyde, a salt of an alkali metal or an alkaline earth metal, and optionally an agent to adjust isotonicity and hypotonically lysing erythrocytes in the blood sample.
    Type: Grant
    Filed: May 19, 1994
    Date of Patent: February 4, 1997
    Assignee: Immunotech
    Inventor: Andre Van Agthoven