Patents by Inventor Pierre Lutz

Pierre Lutz 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).

  • Publication number: 20220153907
    Abstract: Polymers include a monomer with a polyurethane, a supramolecular moiety, an elastomer moiety and a functional group that includes a —C?N— link. The polymers can be prepared and incorporated into a composition. The polymers can be double dynamic polymers, which present adhesive and self-healing properties. The polymers can also be recyclable.
    Type: Application
    Filed: October 16, 2019
    Publication date: May 19, 2022
    Inventors: Nicolas Giuseppone, Emilie Moulin, Pierre Lutz, Simon McKie, Christian Gauthier, Vincent Le Houerou, Anne Rubin, Léandro Jacomine
  • Patent number: 8815350
    Abstract: A method for grafting a porous element for leucodepletion by adsorption and/or filtration of a biological fluid, such as blood or a blood component, which method comprises the steps of impregnating the porous element with a solution containing a poly(ethylene oxide) having identical or different functional end groups; and applying an ionizing treatment to the impregnated porous element so as to ensure covalent cross-linking between the poly(ethylene oxide) and the porous element.
    Type: Grant
    Filed: December 18, 2008
    Date of Patent: August 26, 2014
    Assignees: Maco Pharma Societe Anonyme, Centre National de Recherche Scientifique
    Inventors: Pascal Marmey, Emilie Bessy, Pierre Lutz, Gregory Henard
  • Patent number: 8609807
    Abstract: The invention relates to a technically advantageous method of producing low-dust granules of polymer additives or polymer additive mixtures. The granule-forming polymer additives are mixed together, the mixture is converted into a workable mass and pressed through an orifice. The pre-shaped strand-like extruded mass is cooled and, while still in a workable state, formed into granules by rolling, impressing, cooling and comminuting.
    Type: Grant
    Filed: January 14, 2005
    Date of Patent: December 17, 2013
    Assignee: BASF SE
    Inventors: Benjamin Breitenstein, Thomas Georg Gfrörer, Rolf Waldner, Pierre Lutz
  • Publication number: 20090194617
    Abstract: The invention relates to a technically advantageous method of producing low-dust granules of polymer additives or polymer additive mixtures. The granule-forming polymer additives are mixed together, the mixture is converted into a workable mass and pressed through an orifice. The pre-shaped strand-like extruded mass is cooled and, while still in a workable state, formed into granules by rolling, impressing, cooling and comminuting.
    Type: Application
    Filed: January 14, 2005
    Publication date: August 6, 2009
    Applicant: CIBA SPECIALTY CHEMICALS HOLDING INC.
    Inventors: Benjamin BREITENSTEIN, Thomas Georg GFRORER, Rolf WALDNER, Pierre LUTZ
  • Publication number: 20090159522
    Abstract: A method for grafting a porous element for leucodepletion by adsorption and/or filtration of a biological fluid, such as blood or a blood component, which method comprises the steps of impregnating the porous element with a solution containing a poly(ethylene oxide) having identical or different functional end groups; and applying an ionizing treatment to the impregnated porous element so as to ensure covalent cross-linking between the poly(ethylene oxide) and the porous element.
    Type: Application
    Filed: December 18, 2008
    Publication date: June 25, 2009
    Applicants: MACO PHARMA Societe Anonyme, CENTRE NATIONAL DE RECHERCHE SCIENTIFIQUE
    Inventors: Pascal Marmey, Emilie Bessy, Pierre Lutz, Gregory Henard
  • Publication number: 20020022704
    Abstract: The present invention relates to an improved process for producing di- or trifunctional initiator systems based on lithium and their use for the polymerization of conjugated dienes, in particular for the copolymerization of conjugated dienes with aromatic vinyl compounds.
    Type: Application
    Filed: July 24, 2001
    Publication date: February 21, 2002
    Inventors: Ellen Giebeler, Pierre Lutz, Joel Hoffstetter
  • Patent number: 5837778
    Abstract: A multifunctional anionic polymerization initiator which is in the form of a star-shaped polymer, and which is soluble in a nonpolar medium and is substantially free of residual double bonds. The initiator is denoted by the general formula (PA).sub.a N.sup.n- nLi.sup.+. PA is a polymer block of a vinylaromatic or diene monomer A. The variable "a" is the number of branches in the block PA. N is a crosslinked core comprising no or practically no residual double bonds and has the formula (PMc)(RLi).sub.p. Mc is a monomer containing at least two polymerizable double bonds per molecule. PMc is a crosslinked core of at least one polymerized monomer Mc, containing 3 to 30% of residual double bonds in relation to the initial double bonds originating from the monomer Mc. R is an alkyl, aryl, arylalkyl, alkylaryl, cycloalkyl, or alkenyl. The variable "p" is the number of residual double bonds in PMc which are neutralized by RLi. The variable "n" is the number of anionic sites present in the crosslinked core N.
    Type: Grant
    Filed: September 29, 1997
    Date of Patent: November 17, 1998
    Assignee: Elf Atochem S.A.
    Inventors: Pierre Lutz, Paul Rempp, David Rein, Philippe Heim, Pascal Nicol, Bruno Vuillemin
  • Patent number: 5708091
    Abstract: A multifunctional anionic polymerization initiator which is in the form of a star-shaped polymer, and which is soluble in a nonpolar medium and is substantially free of residual double bonds. The initiator is denoted by the general formula (PA).sub.a N.sup.n- nLi.sup.+. PA is a polymer block of a vinylaromatic or diene monomer A. The variable "a" is the number of branches in the block PA. N is a crosslinked core comprising no or practically no residual double bonds and has the formula (PMc)(RLi).sub.p. Mc is a monomer containing at least two polymerizable double bonds per molecule. PMc is a crosslinked core of at least one polymerized monomer Mc, containing 3 to 30% of residual double bonds in relation to the initial double bonds originating from the monomer Mc. R is an alkyl, aryl, arylalkyl, alkylaryl, cycloalkyl, or alkenyl. The variable "p" is the number of residual double bonds in PMc which are neutralized by RLi. The variable "n" is the number of anionic sites present in the crosslinked core N.
    Type: Grant
    Filed: February 10, 1997
    Date of Patent: January 13, 1998
    Assignee: Elf Atochem S.A.
    Inventors: Pierre Lutz, Paul Rempp, David Rein, Philippe Heim, Pascal Nicol, Bruno Vuillemin
  • Patent number: 5633323
    Abstract: A multifunctional anionic polymerization initiator which is in the form of a star-shaped polymer soluble in an apolar medium and substantially free of residual double bonds. The initiator is denoted by the general formula (PA).sub.a N.sup.n- nLi.sup.+. PA is a polymer block of a vinylaromatic or diene monomer A. The variable "a" is the number of branches in the block PA. N is a crosslinked core comprising no or practically no residual double bonds and has the formula (PMc)(RLi).sub.p. Mc is a monomer containing at least two polymerizable double bonds per molecule. PMc is a crosslinked core of at least one polymerized monomer Mc, containing 3 to 30% of residual double bonds in relation to the initial double bonds originating from the monomer Mc. R is an alkyl, aryl, arylalkyl, alkylaryl, cycloalkyl, or alkenyl. The variable "p" is the number of residual double bonds in PMc which are neutralized by RLi. The variable "n" is the number of anionic sites present in the crosslinked core N.
    Type: Grant
    Filed: August 25, 1995
    Date of Patent: May 27, 1997
    Assignee: Elf Atochem S.A.
    Inventors: Pierre Lutz, Paul Rempp, David Rein, Philippe Heim, Pascal Nicol, Bruno Vuillemin