Patents by Inventor Stanislas Galaj
Stanislas Galaj 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: 6815004Abstract: Method of production of a coating composition useful for covering glass fiber by means of a polymeric composition consisting of an aqueous suspension or emulsion of a polymer. The coating composition is deposited on the glass fiber and, next, the assembly is submitted to a curing process that is carried out at very high temperature and during a very short period of time.Type: GrantFiled: March 14, 2002Date of Patent: November 9, 2004Assignee: AlcatelInventors: Sophie Vanpoulle, Frédéric Cariou, Stanislas Galaj, Xavier Andrieu
-
Patent number: 6741780Abstract: Coating for an optical fiber and method of manufacturing thereof, the coating comprising at least one partly crosslinked polymer having a level of crosslinking which increases according to a radial distance as one moves from the internal surface (3) of the coating (4) which interfaces with a cladding section (2) to the external surface of the coating (4). The coating comprises a single resin which is composed of a volatile, multifunctional and moderately reactive monomer dissolved in a fast curable oligomer, having a low modulus when polymerized.Type: GrantFiled: November 6, 2001Date of Patent: May 25, 2004Assignee: AlcatelInventors: Sophie Vanpoulle, Stanislas Galaj, Xavier Andrieu
-
Patent number: 6580867Abstract: The filamentary elements are of a diameter that is less than or equal to 1 millimeter. The support comprises longitudinal channels each intended to house a respective filamentary element, each channel being defined by two longitudinal walls interconnected by a web and defining a longitudinal channel opening, the width of said longitudinal opening being variable by elastically deforming the longitudinal walls between an access configuration giving access to the channel enabling a filamentary element to pass through said opening and a retaining configuration for retaining a filamentary element in the channel. The filamentary elements are selected from optical fibers and electrical coaxial cables.Type: GrantFiled: July 12, 2001Date of Patent: June 17, 2003Assignee: AlcatelInventors: Stanislas Galaj, Sophie Vanpoulle, Xavier Andrieu
-
Patent number: 6534582Abstract: The invention relates to an adaptive material having ternary compositions. They can advantageously be used in electric cables and in terminations thereof where it serves to improve charge flow characteristics and reactions to transient electric fields. This composite material having non-linear electrical resistance comprises a polymer matrix and varistor means comprising zinc oxide, and it further includes a wetting agent.Type: GrantFiled: October 8, 1999Date of Patent: March 18, 2003Assignee: AlcatelInventors: Anne Decaumont, Stanislas Galaj, Nadine Rieux
-
Patent number: 6455202Abstract: The present invention provides a positive electrode for a lithium rechargeable electrochemical cell, the electrode comprising an aluminum current collector and a paste containing both an electrochemically active material and a binder suitable for being put into solution or suspension in water, wherein the surface of said collector is covered in a protective layer constituted by at least one component selected from an oxalate and a compound of at least one element selected from silicon, chromium, and phosphorus.Type: GrantFiled: February 24, 2000Date of Patent: September 24, 2002Assignee: AlcatelInventors: Marielle Marugan, Stanislas Galaj, Clémence Siret, Jean-Paul Peres, Phillippe Biensan
-
Publication number: 20020131743Abstract: Method of production of a coating composition useful for covering glass fiber by means of a polymeric composition consisting of an aqueous suspension or emulsion of a polymer. The coating composition is deposited on the glass fiber and, next, the assembly is submitted to a curing process that is carried out at very high temperature and during a very short period of time.Type: ApplicationFiled: March 14, 2002Publication date: September 19, 2002Applicant: ALCATELInventors: Sophie Vanpoulle, Frederic Cariou, Stanislas Galaj, Xavier Andrieu
-
Publication number: 20020054744Abstract: Coating for an optical fiber and method of manufacturing thereof, the coating comprising at least one partly crosslinked polymer having a level of crosslinking which increases according to a radial distance as one moves from the internal surface (3) of the coating (4) which interfaces with a cladding section (2) to the external surface of the coating (4). The coating comprises a single resin which is composed of a volatile, multifunctional and moderately reactive monomer dissolved in a fast curable oligomer, having a low modulus when polymerized.Type: ApplicationFiled: November 6, 2001Publication date: May 9, 2002Applicant: ALCATELInventors: Sophie Vanpoulle, Stanislas Galaj, Xavier Andrieu
-
Publication number: 20020006262Abstract: The filamentary elements are of a diameter that is less than or equal to 1 millimeter. The support comprises longitudinal channels each intended to house a respective filamentary element, each channel being defined by two longitudinal walls interconnected by a web and defining a longitudinal channel opening, the width of said longitudinal opening being variable by elastically deforming the longitudinal walls between an access configuration giving access to the channel enabling a filamentary element to pass through said opening and a retaining configuration for retaining a filamentary element in the channel. The filamentary elements are selected from optical fibers and electrical coaxial cables.Type: ApplicationFiled: July 12, 2001Publication date: January 17, 2002Applicant: ALCATELInventors: Stanislas Galaj, Sophie Vanpoulle, Xavier Andrieu
-
Patent number: 5847171Abstract: The invention is drawn to organic compounds of the general formulae L--A--Z or L--A'--L' as defined in the specification. The compounds are readily crystallizable and can be used for their ferromagnetic properties.Type: GrantFiled: September 16, 1997Date of Patent: December 8, 1998Assignee: Alcatel Alsthom Compagnie Generale D'ElectriciteInventors: Stanislas Galaj, Alain Le Mehaute
-
Patent number: 5844069Abstract: The invention provides copolymers having magnetic properties, said copolymers containing aminoaromatic groups, and being based on a structural unit comprising:a first group of aminoaromatic compounds chosen from aniline derivatives and the corresponding iminoquinone forms; anda second group of substituted aminoaromatic compounds chosen from substituted amino compounds containing at least two condensed benzene rings, substituted polycyclic compounds containing at least one aniline structural unit in their structure, compounds derived from aniline and carrying a substituent bonded to the ring by means of an ethynylidene or paraphenylene link, and the corresponding iminoquinone compounds.Type: GrantFiled: December 29, 1994Date of Patent: December 1, 1998Assignee: Alcatel Alsthom Compagnie Generale D'ElectriciteInventors: Stanislas Galaj, Alain Le Mehaute
-
Patent number: 5820743Abstract: A method of manufacturing copolymers having magnetic properties, the method comprising a first step of copolymerization, by oxidation in an acid medium, of a first monomer selected from aniline, possibly substituted aniline, and the corresponding iminoquinone forms, and of a second monomer selected from substituted aminoaromatic compounds, wherein the first step comprises: an induction stage during which the first monomer is put into the presence of at least one oxidizing agent and at least one initiating agent; and a production stage during which, after the second monomer has been added, at least one oxidizing agent and at least one initiating agent are added progressively.Type: GrantFiled: October 27, 1994Date of Patent: October 13, 1998Assignee: Alcatel Alsthom Compagnie Generale d'electriciteInventors: Denis Cottevieille, Stanislas Galaj
-
Patent number: 5714622Abstract: The invention is drawn to organic compounds of the general formulae L--A--Z or L--A'--L' as defined in the specification. The compounds are readily crystallizable and can be used for their ferromagnetic properties.Type: GrantFiled: April 12, 1996Date of Patent: February 3, 1998Assignee: Alcatel Alsthom Compagnie Generale D'ElectriciteInventors: Stanislas Galaj, Alain Le Mehaute
-
Patent number: 5637675Abstract: Crystalline compounds with ferromagnetic properties are described which are inclusion compounds comprising metal salts in copolymers in which the repeating unit includes one unit from a first group of aminoaromatic derivatives of 1-naphthylamine and corresponding oxidized forms, connected to one unit from a second group of substituted aminoaromatic compounds selected from substituted amines containing at least two condensed benzene nuclei, substituted polycyclic compounds containing at least one aniline moiety in their structure, and aniline derivatives carrying a substituent connected to the nucleus by an ethynylene or para-phenylene unit, and corresponding oxidized compounds. Methods for the preparation of these compounds are also described.Type: GrantFiled: May 2, 1995Date of Patent: June 10, 1997Assignee: Alcatel Alsthom Compagnie Generale d'ElectriciteInventors: Alain Le Mehaute, Stanislas Galaj, Denis Cottevieille, Fran.cedilla.ois Tsobnang, Fran.cedilla.ois Lefort
-
Patent number: 5635582Abstract: The present invention concerns a magnetic copolymer having a structural unit comprising a first multivalent radical and a second multivalent radical derived from an aminoaromatic compound selected from a substituted amine containing at least two condensed benzene nuclei, a substituted polycyclic compound containing at least one aniline unit in its structure, and an aniline derivative substituted on the ring by an ethynylidene or paraphenylene side chain, these compounds being in their reduced or oxidized forms, said first and said second radical being coupled together by a carbon-nitrogen bond and the nitrogen atoms being separated by a single aromatic ring, characterized in that said first radical is derived from a compound selected from 1-naphthylamine, which may be substituted, in its reduced or oxidized form.Type: GrantFiled: September 27, 1994Date of Patent: June 3, 1997Assignee: Alcatel Alsthom Compagnie Generale D'ElectriciteInventors: Stanislas Galaj, Alain Le Mehaute
-
Patent number: 5530206Abstract: A coaxial cable intended to be used in the field of telecommunications comprises a metal core surrounded by at least two layers one of which is a dielectric material layer and the other of which, disposed between the core and the dielectric material layer over at least part of the length of the cable, is a semiconductor composite material layer comprising an insulative matrix and an undoped polymeric conductor containing conjugate bonds. The cable features intrinsic filtering of electromagnetic interference conducted by the cable at frequencies below 1 GHz.Type: GrantFiled: May 9, 1994Date of Patent: June 25, 1996Assignee: Alcatel CableInventors: Lydie Robert, Frederic Heliodore, Stanislas Galaj, Alain Le Mehaute
-
Patent number: 5502279Abstract: The present invention concerns a joint for electrical cables comprising at least a first layer constituted by a mixture of a polymeric matrix and a filler which is constituted by polymer comprising functions in its monomer units which homogeneously distribute the electrical filed, surrounded externally and coaxially by a second layer constituted by an elastomer. The layers are intimately associated with each other with an adherence greater than or equal to 5 N.cm.sup.-1.Type: GrantFiled: December 22, 1994Date of Patent: March 26, 1996Assignee: EuromoldInventors: Pierre Mirebeau, Stanislas Galaj, Madeleine Prigent
-
Patent number: 5416155Abstract: The present invention relates to a material for semiconductive screening and to use of the material in manufacturing cables and capacitors, and in electromagnetic shielding of electrical and electronic apparatus. The present invention further relates to cables and electrical and electronic apparatus containing the material. The semiconductive screening is formed of a polymer matrix containing one or more polymers and in which matrix 5% to 70% (by weight) of at least one conjugated non-doped or dedoped polymer is to be found in the dispersed state. In the absence of an electric field, the conductivity of the screening is very low, but said conductivity is an increasing function of the applied field (see curves 2 to 9 in the figure).Type: GrantFiled: October 15, 1993Date of Patent: May 16, 1995Assignees: Alcatel Cable, SolvayInventors: Bernard Aladenize, Stanislas Galaj, Alain Le Mehaute, Etienne Hannecart, Claude Franquinet
-
Patent number: 5408034Abstract: The invention provides copolymers having magnetic properties, said copolymers containing aminoaromatic groups, and being based on a structural unit comprising:a first group of aminoaromatic compounds chosen from aniline derivatives and the corresponding iminoquinone forms; anda second group of substituted aminoaromatic compounds chosen from substituted amino compounds containing at least two condensed benzene rings, substituted polycyclic compounds containing at least one aniline structural unit in their structure, compounds derived from aniline and carrying a substituent bonded to the ring by means of an ethynylidene or paraphenylene link, and the corresponding iminoquinone compounds.Type: GrantFiled: December 4, 1992Date of Patent: April 18, 1995Assignee: Alcatel Alsthom Compagnie Generale D'ElectriciteInventors: Stanislas Galaj, Alain Le Mehaute
-
Patent number: 5371182Abstract: The present invention relates to self-doped conductive polyanilines and to a method of preparing them. The benzene and/or quinone rings of said polyanilines can be functionalized graft chains or substituents corresponding to the formula:--A--Zin which:A is a hydrocarbon radical having 2 to 8 atoms of carbon interrupted by at least 1 hetero atom; andZ is a strong acid function or a salt thereof.Type: GrantFiled: June 11, 1993Date of Patent: December 6, 1994Assignee: Alcatel N.V.Inventors: Stanislas Galaj, Alain Le Mehaute
-
Patent number: 5059366Abstract: The fiter membrane comprises a porous structure made of a material selected from sintered ceramics, sintered metals, microporous carbon, and microporous glass, and is characterized by the fact that its entire external surface, including the inside surface of the pores in the structure, is covered with a thin and continuous film of carbon or of an oxide. In a sintered aluminum membrane, the surfaces of pores are coated with a dense and continuous thin layer of zirconia which prevents the surfaces from being degraded in service. In the figure, curve 3 shows how the throughput of a membrane without a zirconia layer falls off over time, while curve 4 shows little change in the same membrane having such a layer.Type: GrantFiled: May 7, 1990Date of Patent: October 22, 1991Assignee: Societe des Ceramiques TechniquesInventors: Stanislas Galaj, Marie-Paule Besland, Alain Wicker, Jacques Gillot, Raymond Soria