Patents by Inventor Bernard Knosp
Bernard Knosp 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).
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Patent number: 8652684Abstract: The invention proposes a composition comprising: a) a hydrogen-fixing alloy of formula R1-tMgtNis-zMz in which: R represents one or more elements chosen from the group comprising La, Ce, Nd and Pr; M represents one or more elements chosen from the group comprising Mn, Fe, Al, Co, Cu, Zr and Sn; 0.1?t?0.4; 3.0?s?4.3; z?0.5; b) a manganese compound in a proportion such that the mass of manganese represents from 1 to 5.5% of the mass of the alloy, c) an yttrium compound in a proportion such that the mass of yttrium represents from 0.1% to 2% of the mass of the alloy. The invention also relates to an anode comprising the composition according to the invention. The invention also relates to an alkaline electrolyte battery comprising said at least one anode.Type: GrantFiled: September 6, 2007Date of Patent: February 18, 2014Assignee: Saft Groupe SAInventors: Patrick Bernard, Bernard Knosp, Michelle Baudry
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Publication number: 20120134871Abstract: A hydridable alloy of formula R1-x-yMgxMyNis-aBa wherein R is selected from the group consisting in rare earths, yttrium and a mixture thereof; M represents Zr and/or Ti; B is selected from the group consisting in Mn, Al, Co, Fe and a mixture thereof; 0.1<x<0.4; 0?y<0.1; 3<s<4.5 and 0?a<1; at least 5% of the volume of which consists of a stack of sequences of a pattern of the A2B4 type and of n patterns of the CaCu5 type randomly distributed along one direction, n being an integer comprised between 1 and 10 and representing the number of patterns of the CaCu5 type per pattern of the A2B4 type. A method for making a hydridable alloy comprising steps for compression and applying a current through a mixture comprising Mg2Ni and a compound comprising nickel and one or several elements selected from the group consisting in rare earths and yttrium.Type: ApplicationFiled: November 28, 2011Publication date: May 31, 2012Applicants: SAFT, UNIVERSITE DE PARIS EST CRETEIL VAL DE MARNE UPEC, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (CNRS)Inventors: Patrick BERNARD, Bernard KNOSP, Michel LATROCHE, Junxian ZHANG, Virginie SERIN, Martin HYTCH
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Patent number: 7820325Abstract: An active material composition for an alkaline storage battery comprises a) an alloy capable of forming a hydride, of formula R1-yMgyNit-zMz in which R is La, optionally substituted by Nd and/or Pr, M is at least one element chosen from the group comprising Mn, Fe, Al, Co, Cu, Zr and Sn, in which 0.1?y?0.4, 3.2?t?3.5, and z?0.5, and of which the equilibrium hydrogen pressure with the alloy, for a hydrogen insertion into the alloy of 0.5 H/Metal at 40°, is less than 0.7 bar, and b) a yttrium-based compound in a mixture with alloy a).Type: GrantFiled: May 19, 2006Date of Patent: October 26, 2010Assignee: SAFTInventors: Patrick Bernard, Bernard Knosp, Michele Baudry
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Publication number: 20090206302Abstract: Therefore the invention provides a hydrogen-absorbing alloy comprising at least one A5B19 type crystalline phase having the formula R1-yMgyNi3.8±0.1-zMz, in which R represents one or more elements chosen from La, Ce, Nd or Pr; M represents one or more elements chosen from Mn, Fe, Al, Co, Cu, Zr, Sn and M does not contain Cr; 0?y?0.30; z?0.5. The invention extends to an electrode comprising an active ingredient comprising said alloy. It also extends to a nickel metal hydride alkaline storage battery the negative electrode of which comprises said alloy. The invention also relates to the process for the manufacture of said alloy.Type: ApplicationFiled: April 27, 2009Publication date: August 20, 2009Applicants: SAFT, CENTRE NATIONAL DE LA RECHERCHEInventors: PATRICK BERNARD, Bernard Knosp, Michel Latroche, Amelie Ferey
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Publication number: 20080085209Abstract: Therefore the invention provides a hydrogen-absorbing alloy comprising at least one A5B19 type crystalline phase having the formula R1?yMgyNi3.8±0.1?zMz, in which R represents one or more elements chosen from La, Ce, Nd or Pr; M represents one or more elements chosen from Mn, Fe, Al, Co, Cu, Zr, Sn and M does not contain Cr; 0?y?0.30; z?0.5. The invention extends to an electrode comprising an active ingredient comprising said alloy. It also extends to a nickel metal hydride alkaline storage battery the negative electrode of which comprises said alloy. The invention also relates to the process for the manufacture of said alloy.Type: ApplicationFiled: February 27, 2007Publication date: April 10, 2008Applicants: SAFT, Centre National de la Recheche ScientifiqueInventors: Patrick Bernard, Bernard Knosp, Michel Latroche, Amelie Ferey
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Publication number: 20080070117Abstract: The invention proposes a composition comprising: a) a hydrogen-fixing alloy of formula R1-tMgtNis-zMz in which: R represents one or more elements chosen from the group comprising La, Ce, Nd and Pr; M represents one or more elements chosen from the group comprising Mn, Fe, Al, Co, Cu, Zr and Sn; 0.1?t?0.4; 3.0?s?4.3; z?0.5; b) a manganese compound in a proportion such that the mass of manganese represents from 1 to 5.5% of the mass of the alloy, c) an yttrium compound in a proportion such that the mass of yttrium represents from 0.1% to 2% of the mass of the alloy. The invention also relates to an anode comprising the composition according to the invention. The invention also relates to an alkaline electrolyte battery comprising said at least one anode.Type: ApplicationFiled: September 6, 2007Publication date: March 20, 2008Applicant: SAFT GROUPE SAInventors: Patrick BERNARD, Bernard Knosp, Michelle Baudry
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Publication number: 20060269841Abstract: An active material composition for an alkaline storage battery comprises a) an alloy capable of forming a hydride, of formula R1-yMgyNit-zMz in which R is La, optionally substituted by Nd and/or Pr, M is at least one element chosen from the group comprising Mn, Fe, Al, Co, Cu, Zr and Sn, in which 0.1?y?0.4, 3.2?t?3.5, and z?0.5, and of which the equilibrium hydrogen pressure with the alloy, for a hydrogen insertion into the alloy of 0.5 H/Metal at 40°, is less than 0.7 bar, and b) a yttrium-based compound in a mixture with alloy a).Type: ApplicationFiled: May 19, 2006Publication date: November 30, 2006Applicant: SAFTInventors: Patrick Bernard, Bernard Knosp, Michele Baudry
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Patent number: 6597850Abstract: In a covering outside its light-guiding portion, an optical fiber includes at least one crystalline intermetallic compound made up of at least two metals, the compound having a plateau pressure during hydride formation that is less than equal to 5×10−2 atm (where 1 atm=1.013×105 Pa) as measured at 30° C. by a PCT method, the compound being of the form ABxMy where A is constituted by at least one element from columns IIa, IIIb, or IVb of the periodic classification of the elements (CAS version), B is constituted by at least one element from columns Vb, VIII, or IIIa of said classification, and M contains at least one element from columns VIb, VIIb, Ib, or IIb of said classification, where: 0≦x≦10, 0≦y≦3 if A contains elements from column IIa only, and 0.2≦y≦3 if A contains at least one element from columns IIIb or IVb. The optical fiber cable is characterized in that it includes such a crystalline intermetallic compound.Type: GrantFiled: June 17, 2002Date of Patent: July 22, 2003Assignee: AlcatelInventors: Xavier Andrieu, Anne Decaumont, Bernard Knosp
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Patent number: 6472102Abstract: An electrochemically active material consisting of a CaCu5 structure single-phase hydridable alloy with the formula MmNiaMnbAlcCodCre in which Mm is a mischmetal containing at least 50 wt % La, where: 5.10≦(a+b+c+d+e), d≦0.55, and 0.03≦e≦0.1.Type: GrantFiled: August 3, 2001Date of Patent: October 29, 2002Assignee: AlcatelInventors: Bernard Knosp, Olivier Arnaud, Thierry Hezeque, Paul Barbic, Alexander Bouvier
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Publication number: 20020037453Abstract: An electrochemically active material consisting of a CaCu5 structure single-phase hydridable alloy with the formula MmNiaMKnbAlcCodCre in which Mm is a mischmetal containing at least 50 wt % La, where: 5.10≦(a+b+c+d+e), d≦0.55, and 0.03≦e≦0.1.Type: ApplicationFiled: August 3, 2001Publication date: March 28, 2002Applicant: ALCATEL, TREIBACHER AUERMET PRODUKTIONSGES M.B.H.Inventors: Bernard Knosp, Olivier Arnaud, Thierry Hezeque, Paul Barbic, Alexander Bouvier
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Patent number: 5626987Abstract: A monophase hydridable material for the negative electrode of a nickel-metal hydride storage battery with a "Lave's phase" structure of hexagonal C14 type (MgZn.sub.2) has the general formula:Zr.sub.1-x Ti.sub.x Ni.sub.a Mn.sub.b Al.sub.c Co.sub.d V.sub.Type: GrantFiled: April 14, 1995Date of Patent: May 6, 1997Assignee: SAFTInventors: Bernard Knosp, Jacques Bouet, Christian Jordy, Michel Mimoun, Daniel Gicquel
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Patent number: 5460898Abstract: The material is derived from the compound TiNi, is a single-phase material and is expressed by the following general formula:(Ti.sub.[1-(x+y)] Zr.sub.x M.sub.y)Ni.sub.zwhere: ##EQU1## where M is chosen from vanadium V, silicon Si, and a combination of vanadium and of silicon. Preferably, the hydridable material satisfies the following formulae:(Ti.sub.0.7 Zr.sub.0.2 V.sub.0.1)Nior(Ti.sub.0.5 Zr.sub.0.4 Si.sub.0.1)NiThe hydridable material is a single-phase material and has a body-centered cubic lattice, with a lattice parameter of about 3 .ANG..Type: GrantFiled: October 28, 1992Date of Patent: October 24, 1995Assignee: Societe Anonyme Dite SaftInventors: Jacques Bouet, Bernard Knosp, Annick Percheron-Guegan, Christian Jordy
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Patent number: 5384209Abstract: The present invention provides a hydridable material for the negative electrode of a nickel-hydride storage cell mainly comprising a Laves phase of the C14 hexagonal type (MgZn.sub.2), characterized by the general formula: ##EQU1## where A represents at least one element from Ti, Y, Ce, Ca, and Mg, and where M is chosen from Cr, V, and Si.Type: GrantFiled: October 22, 1993Date of Patent: January 24, 1995Assignee: SaftInventors: Jacques Bouet, Bernard Knosp, Annick Percheron-Guegan, Olivier Canet
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Patent number: 5306583Abstract: A hydridable alloy material represented by the formula AB.sub.5 for the negative electrode of a nickel-hydride storage cell. A represents La.sub.(1-x-y-z) Ce.sub.x Nd.sub.y Pr.sub.z, where 0.ltoreq.x.ltoreq.0.784, 0.ltoreq.z.ltoreq.1, 0.1.ltoreq.x+z, 0<y+z, x+y+z.ltoreq.1, and 0.ltoreq.y.ltoreq.0.205-1.17x+2.39x.sup.2 -1.57x.sup.3 -z(0.23-0.65x+1.18x.sup.2)+z.sup.2 (0.18-0.54x), and B represents Ni partially substituted by Mn, Al and Co.Type: GrantFiled: December 14, 1992Date of Patent: April 26, 1994Assignee: SAFTInventors: Jacques Bouet, Bernard Knosp, Annick Percheron-Guegan, Jean-Michel Cocciantelli