Patents Assigned to Immunotech
-
Patent number: 6686004Abstract: 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: GrantFiled: December 17, 2001Date of Patent: February 3, 2004Assignee: ImmunotechInventors: Jean-Pierre Daziano, André van Agthoven
-
Patent number: 6534279Abstract: 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: GrantFiled: June 23, 1999Date of Patent: March 18, 2003Assignee: ImmunotechInventors: André Van Agthoven, Christine Fornelli
-
Publication number: 20020127356Abstract: 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: ApplicationFiled: December 17, 2001Publication date: September 12, 2002Applicant: IMMUNOTECHInventors: Jean-Pierre Daziano, Andre van Agthoven
-
Publication number: 20020115118Abstract: 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: ApplicationFiled: September 14, 2001Publication date: August 22, 2002Applicant: IMMUNOTECHInventors: Andre van Agthoven, Jean-Pierre Daziano, John Allen Maples
-
Patent number: 6326401Abstract: A liquid pharmaceutical formulation for administration by the oro-mucosal route, comprising at least one non-polypeptidic active substance and less than 5% W/W of capryl caproyl macrogol glycerides, process for its preparation and it uses.Type: GrantFiled: January 6, 1999Date of Patent: December 4, 2001Assignee: ImmunotechInventors: Jacques Chauveau, Pascal Meyer, Jacques Barbet, Michel Delaage
-
Patent number: 6143567Abstract: 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: GrantFiled: May 5, 1999Date of Patent: November 7, 2000Assignee: ImmunotechInventors: Andre Van Agthoven, David Jarrossay
-
Patent number: 5910575Abstract: A polyclonal or monoclonal antibody recognizing specifically cortisol in a urine medium produced by immunization of animals against an immunogen compound composed of the hapten cortisol-3-carboxymethyloxime (syn isomer), coupled by its carboxyl function to a macromolecule, an immunoasay process for cortisol, particularly urinary cortisol, an assay kit and novel derivatives of coritsol.Type: GrantFiled: March 22, 1996Date of Patent: June 8, 1999Assignees: Immunotech, InsermInventors: Nina Lupi-Chen, Elisabeth Mappus, Catherine Fournier, Christophe Barrande, Sandrine Portuesi, Yves-Claude Cuilleron
-
Patent number: 5817468Abstract: Process for the identification or assay of a particular polypeptide antigen X in which an immunological determination of the presence of said polypeptide antigen X is carried out in a sample, characterized in that the sample is treated in vitro using at least one chemical reagent reactingon an epsilon -NH.sub.2 function of a lysine residue oron a terminal alpha -NH.sub.2 function of a peptidein order to carry out the linking of said reagent to said polypeptide antigen X and in this way to obtain a modified polypeptide antigen X, (polypeptide antigen Xm), the immunological determination of the presence of said polypeptide antigen X in said sample is then carried out using at least one antibody produced by immunization against a polypeptide antigen Y identical to the polypeptide antigen Xm or to an antigenic fragment of this antigen Xm.Type: GrantFiled: December 23, 1996Date of Patent: October 6, 1998Assignee: ImmunotechInventors: Frederic Jean, Gilles Kertesz, Beatrice Bourcier
-
Patent number: 5723309Abstract: Soluble, single chain T cell receptors, nucleic acid sequences, particularly DNA sequences, encoding the soluble, single chain T cell receptor, expression vectors containing the DNA sequences, and host cells containing the expression vectors.Type: GrantFiled: September 14, 1994Date of Patent: March 3, 1998Assignees: Institut National de la Sante et de la Recherche Medicale (INSERM), ImmunotechInventor: Marc Bonneville
-
Patent number: 5627213Abstract: 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: GrantFiled: May 19, 1994Date of Patent: May 6, 1997Assignee: ImmunotechInventor: Andre Van Agthoven
-
Patent number: 5599682Abstract: 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: GrantFiled: May 19, 1994Date of Patent: February 4, 1997Assignee: ImmunotechInventor: Andre Van Agthoven
-
Patent number: 5559012Abstract: A therapeutic kit which includes at least three unlinked monoclonal antibodies for neutralizing a short life IL-6 cytokine and a method for preparing said kit.Type: GrantFiled: July 25, 1994Date of Patent: September 24, 1996Assignee: ImmunotechInventors: Herve Brailly, Felix A. Montero-Julian, Bernard Klein
-
Patent number: 5449601Abstract: Process for the identification or determination of proteins by producing antibodies with the aid of peptides that are made immunogenic if necessary, and then using the resulting antibodies to determine the proteins of interest, starting with a sample that contains these and which is treated to liberate the said peptides, in which process the said peptide is so chosen that it matches a known amino acid sequence of the said protein and is used as a protein fragment that the protein can be made to release on enzymatic treatment, after which it is synthesized, the invention also relating to the applications of this process for the identification or the determination of proteins.Type: GrantFiled: May 17, 1993Date of Patent: September 12, 1995Assignee: ImmunotechInventors: Frederic Jean, Jacques Barbet, Michel Delaage
-
Patent number: 5298491Abstract: Derivatives of biologically active molecules containing a primary amine group and a hydroxylated nucleus, and their addition salts with mineral or organic acids, having general formula I:R'R"N--A--B--O--CH.sub.2 --CO--NH--R (I)A=linear or branched C.sub.1 -C.sub.5 alkylene;B=C.sub.4 -C.sub.10 aromatic nucleus with optional heteroatom, or=group --B.sub.1 --X--B.sub.2 --, wherein X=O or C.sub.1 -C.sub.4 alkylene;--NH--R=amine residue or alcohol residue; andR', R"=C.sub.1 -C.sub.5 alkyl, H or hydrophobic radical, and their addition salts with mineral or organic acids, method of preparation, applications, especially to visualization, purification, the preparation of antibodies and the assay of the total hormone, and as drugs, compositions in which they are present and analytical kits.Type: GrantFiled: May 13, 1991Date of Patent: March 29, 1994Assignee: ImmunotechInventors: Jacques Chauveau, Michel Delaage, Anne Morel, Louis Segu
-
Patent number: 5246829Abstract: The invention relates to a product to permit separation of cells in the domain of immunopurification and consisting of a finely divided carrier of a density lower than that of the medium from which such cells must be extracted, such carrier being covered with macromolecules capable of being specifically fixed to the cells to be extracted to which a priviliged orientation was given to enable fixation of such macromolecules.Type: GrantFiled: March 10, 1992Date of Patent: September 21, 1993Assignee: ImmunotechInventors: Michel Delaage, Jean-Louis Drocourt, Joelle Hirn, Andreas van Agthoven
-
Patent number: 5116724Abstract: The invention relates to a product to permit separation of cells in the domain of immunopurification and consisting of a finely divided carrier of a density lower than that of the medium from which such cells must be extracted, such carrier being covered with macromolecules capable of being specifically fixed to the cells to be extracted to which a privileged orientation was given to enable fixation of such macromolecules.Type: GrantFiled: September 29, 1988Date of Patent: May 26, 1992Assignee: ImmunotechInventors: Michel Delaage, Jean-Louis Drocourt, Joelle Hirn, Andreas van Agthoven
-
Patent number: 4818683Abstract: The invention relates to a method of immunoassay for monoamines (molecules having a primary or secondary amine function) comprising chemical quantitative conversion of such amines into derivatives of higher molecular weight, which thereafter are brought into competition with radioactive analogous, or analogous carrying a tracer, for fixation to an antibody capable of recognizing all of them.Type: GrantFiled: August 6, 1987Date of Patent: April 4, 1989Assignee: ImmunotechInventors: Anne Morel, Michel Delaage
-
Patent number: 4670543Abstract: The invention relates to a process for producing FVIII/vWF complexes for therapeutical use possessing both haemophilic A activity and Willebrand activity as well as a high degree of purity, such process substantially comprising the steps of fixing the FVIII/vWF complex in physiological conditions on a particular monoclonal antibody and releasing said complex by means of a suitable elution medium having no effct on the functions of the FVIII/vWF complex but able to dissociate the bonds linking the selected monoclonal anitbody to the FVIII/vWF complex, then collecting the latter in a highly purified form.Type: GrantFiled: September 18, 1985Date of Patent: June 2, 1987Assignee: ImmunotechInventors: Alain Bourgois, Marylene Delezay, Vincent Fert