Patents Represented by Attorney, Agent or Law Firm Marina V. Schneller
  • Patent number: 6335131
    Abstract: The invention relates to an article of which at least one surface zone comprises at least one polyolefin and has been printed by means of a toner by an electrophotographic technique, characterized in that the printed zone contains no toner printing primer and in that the adhesion of the toner to the article is such that it withstands a stripping force of at least 0.4 N/mm exerted by means of an adhesive tape. It also relates to a process for the manufacture thereof.
    Type: Grant
    Filed: November 15, 1999
    Date of Patent: January 1, 2002
    Assignee: Solvay, S.A.
    Inventors: Zdenek Hruska, Claude Dehennau
  • Patent number: 6335527
    Abstract: Device for monitoring the quality of latex in a reactor during emulsion polymerization, including essentially a measuring probe placed in the reactor, an optical coupling of the said probe with a near-infrared spectrophotometer provided with means for emitting light and for capturing the scattered light which is reflected and a computer which has the correlation equations in its memory.
    Type: Grant
    Filed: January 13, 1999
    Date of Patent: January 1, 2002
    Assignee: Solvay S.A. (Société Anonyme)
    Inventors: Claude Josephy, Pol Breyer
  • Patent number: 6335411
    Abstract: Ethylene polymer having a blow-up ratio (RB) of at least 1.4, a resistance to crazing under stress (ESCR) of at least 55 h and a melt index (MI5) of at least 0.2 g/10 min. Processes for obtaining this ethylene polymer using different catalytic systems, the first based on titanium and zirconium used in a polymerization in two reactors; the second consisting of a mixture of a titanium catalyst and a titanium and zirconium catalyst, used in a polymerization in two reactors; the third based on chromium on a support comprising at least two constituents chosen from silica, alumina and aluminium phosphates, used in a polymerization in a single or in two reactors.
    Type: Grant
    Filed: April 2, 1999
    Date of Patent: January 1, 2002
    Assignee: Solvay Polyolefins Europe -Belgium
    Inventors: Benoît Koch, Michel Promel, Jiang Bian
  • Patent number: 6333384
    Abstract: Thermosetting polymers and the electrical laminates made therefrom are disclosed. The polymer comprises the cross-linked product of: a) one or more ethylenically unsaturated aromatic monomers, optionally containing a halogenated monomer to impart fire retardation, and b) a vinyl-terminated polybutadiene or butadiene-styrene copolymer containing either a urethane or an ester group. It has been discovered that an unexpected combination of thermal, electrical, and mechanical properties are obtained from the composition recited herein. The composition is ideally suited as a matrix polymer for electrical substrate applications.
    Type: Grant
    Filed: November 1, 1999
    Date of Patent: December 25, 2001
    Assignee: Gil Technologies
    Inventors: Scott Alan Lane, Donald Clyle Rollen, Timothy Wayne Austill
  • Patent number: 6333382
    Abstract: Polymeric composition containing: a) 100 parts by weight of a random copolymer of propylene and ethylene containing less than 6 weight % of ethylene, b) 0.1 to 4 parts by weight of an elastomeric block copolymer having at least one polymeric block containing predominantly polymerized monovinyl aromatic compound and at least one polymeric block containing predominantly polymerized conjugated diene, and c) 12 to 20 parts by weight of an elastic metallocene polyolefin. Use of said composition for the manufacture of shaped objects and objects so obtained.
    Type: Grant
    Filed: February 7, 2000
    Date of Patent: December 25, 2001
    Assignee: Solvay Polyolefins Europe-Belgium
    Inventors: Swanzy Scott, Kelley Sherwood
  • Patent number: 6328842
    Abstract: Machine for welding hollow articles and process for welding these articles, for example half-shells of a plastic fuel tank, using the technique of hot-plate welding. A particular process in which the articles to be welded together are preshaped by pressing against a cold plate, which might not be plane, by stretching or compressing the side walls of the articles or by pressing against the walls of a mold. Process applied to the manufacturer of injection-molded/welded fuel tanks. Use of the machine for manufacturing such tanks.
    Type: Grant
    Filed: July 15, 1999
    Date of Patent: December 11, 2001
    Assignee: Solvay, S.A.
    Inventors: Hubert Coninck, Pierre Gilliard, Joel Op De Beeck, Guy Van Meulebeke, Jules-Joseph Van Schaftingen
  • Patent number: 6319972
    Abstract: The compositions contain, as heat stabilizer, an effective amount of bismuth carboxylate chosen from bismuth succinate, acrylate and terephthalate and their mixtures. In general, this amount is at least 0.05 part and does not exceed 5 parts per 100 parts by weight of vinylidene fluoride polymer. The heat stabilizers according to the invention are suitable both for the thermal stabilization of virgin polymers and for the stabilization/decoloration of thermally degraded waste polymers.
    Type: Grant
    Filed: June 10, 1999
    Date of Patent: November 20, 2001
    Assignee: Solvay, S.A.
    Inventors: Valérie Bromont, Jean-Jacques Robin, Etienne Hannecart
  • Patent number: 6315999
    Abstract: An antibody to tumor necrosis factor-&agr; (anti-TNF) and an antibody to bacterial lipopolysaccharide (anti-LPS) used together in a neutropenic rat model of sepsis are shown to enhance survival of the rats relative to either antibody used alone. Pharmaceutical products including each of the components are therefore of utility in therapy of sepsis. The anti-LPS antibody included may be specific for the O-specific clain of a particular bacterial lipopolysaccharide (serotype specific antibody) but preferably recognizes the core glycolipid of lipopolysaccharide.
    Type: Grant
    Filed: June 2, 1994
    Date of Patent: November 13, 2001
    Assignee: Solvay, S.A.
    Inventors: Jerald C. Sadoff, Steven Michael Opal, Alan S. Cross, Mark William Bodmer
  • Patent number: 6313234
    Abstract: A heat settable, coating system of carboxyl-functional polyester resins, polyfunctional epoxy compounds and/or &bgr;-hydroxy alkyl amides, as well as further customary additives, if required. The coating system contains at least one linear carboxyl-functional polyester resin of up to 10 mol-part of isophthalic acid and at least 90 mol-parts of at least a further dicarboxylic acid from the group of aromatic dicarboxylic acids with 8 to 16 C-atoms, aliphatic dicarboxylic acids with 6 to 22 C-atoms and cycloaliphatic dicarboxylic acids with 8 to 16 C-atoms, and at least 90 mol-parts of at least one branched aliphatic diol with 4 to 12 C-atoms, and up to 50 mol-parts of at least one linear aliphatic diol with 2 to 22 C-atoms and/or at least one cycloaliphatic diol with 6 to 16 C-atoms as the binder resin.
    Type: Grant
    Filed: June 6, 1995
    Date of Patent: November 6, 2001
    Assignee: EMS Inventa-AG
    Inventors: Andreas Kaplan, Manfred Hoppe, Eberhard Kinkelin
  • Patent number: 6294055
    Abstract: Process for the separation of hydrogen fluoride from its mixtures with a hydrofluoroalkane containing from 3 to 6 carbon atoms, by extraction using an organic solvent.
    Type: Grant
    Filed: September 11, 1998
    Date of Patent: September 25, 2001
    Assignee: Solvay S.A.
    Inventors: Ralf Herkelmann, Carsten Brosch, Vincent Wilmet
  • Patent number: 6291602
    Abstract: Ethylene polymer having a blow-up ratio (RB) of at least 1.4, a resistance to crazing under stress (ESCR) of at least 55 h and a melt index (MI5) of at least 0.2 g/10 min. Processes for obtaining this ethylene polymer using different catalytic systems, the first based on titanium and zirconium used in a polymerization in two reactors; the second consisting of a mixture of a titanium catalyst and a titanium and zirconium catalyst, used in a polymerization in two reactors; the third based on chromium on a support comprising at least two constituents chosen from silica, alumina and aluminium phosphates, used in a polymerization in a single or in two reactors.
    Type: Grant
    Filed: April 2, 1999
    Date of Patent: September 18, 2001
    Assignee: Solvay Polyolefins Europe - Belgium
    Inventors: Benoît Koch, Olivier Lhost
  • Patent number: 6291042
    Abstract: The wall of the container comprises at least one thick outer layer consisting essentially of a thermoplastic material which imparts good mechanical properties, and a thin inner layer consisting of a thermoplastic material adapted to receive a surface treatment intended to increase its impermeability to hydrocarbons, preferably consisting essentially of one or plurality of virgin polyolefins. The container is particularly suitable for use in automobiles.
    Type: Grant
    Filed: December 3, 1993
    Date of Patent: September 18, 2001
    Assignee: Solvay (Société Anonyme)
    Inventors: Didier Masson, Thierry Debelle, Jules-Joseph Van Schaftingen, Paul Wouters
  • Patent number: 6288248
    Abstract: Epichlorohydrin-based product containing at least 99.9% by weight of epichlorohydrin and a total amount of chloro impurities of less than or equal to 150 ppm by weight, and process for manufacturing this product by reaction of allyl chloride with a peroxide compound in the presence of water, a catalyst and a diluent in at least one reactor, and separation of the epichlorohydrin formed.
    Type: Grant
    Filed: November 25, 1998
    Date of Patent: September 11, 2001
    Assignee: Solvay (Société Anonyme)
    Inventors: Michel Strebelle, Patrick Gilbeau, Jean-Pierre Catinat
  • Patent number: 6277809
    Abstract: The resin granule of the present invention for washing comprises a resin granule, a detergent component and, optionally, a third component, wherein the external surface of each particle of the resin granule is coated with the detergent component.
    Type: Grant
    Filed: March 24, 1999
    Date of Patent: August 21, 2001
    Inventor: Kenjiro Obama
  • Patent number: 6277958
    Abstract: The present invention provides a method for producing a peptide thiol ester using fluoren-9-ylmethoxycarbonylamino acid (Fmoc-amino acid). The method is for peptide synthesis and involves (1) using and removing the Fmoc group bound as the protective group to the amino group of amino acid, fixed on a resin via the thiol ester bond, a specific reagent is used to remove an Fmoc group from the amino acid thiol ester resin; (2) adding Fmoc-amino acid to the Fmoc-freed resin and then removing the Fmoc group, repeatedly, to prepare the Fmoc-peptide thiol ester resin; and (3) treating sequentially, the Fmoc-peptide thiol ester resin with a cleavage reagent and with a reagent capable of removing the Fmoc group.
    Type: Grant
    Filed: November 27, 1998
    Date of Patent: August 21, 2001
    Inventor: Saburho Aimoto
  • Patent number: 6271294
    Abstract: Polymer compositions based on vinylidene fluoride resins which are particularly suitable for the manufacture of pipes for conveying hot hydrocarbons under pressure, comprising by weight; (A) from 60 to 80% of at least one PVDF homopolymer; (B) from 20 to 40% of at least one thermoplastic copolymer of vinylidene fluoride (VF2) and of at least one other fluoramonomer (for example hexafluoropropylene, chlorotrifluoroethylene or trifluoroethylene), containing approximately from 5 to 25% of this other monomer; and (C) a plasticizer, in proportions of 5 to 20% [relative to the total weight of the polymers (A) and (B)], preferably dibutyl sebacate or a polyester of molecular mass of between 1500 and 5000.
    Type: Grant
    Filed: January 24, 1994
    Date of Patent: August 7, 2001
    Assignee: Solvay (Société Anonyme)
    Inventors: Pierre Lasson, Yves-Julien Lambert, Yves Vanderveken, Nestor Maquet
  • Patent number: 6267874
    Abstract: The present invention relates to a hydrotreating catalyst composed of a carrier having a Brønsted acid content of at least 50 &mgr;mol/g such as a silica-alumina carrier or a silica-alumina-third component carrier, in which the silica is dispersed to high degree and a Brønsted acid content is at least 50 &mgr;mol/g, and at least one active component (A) selected from the elements of Group 8 of the Periodic Table and at least one active component (B) selected from the elements of Group 6 of the Periodic Table, supported on said carrier. The present invention also relates to a method for hydrotreating hydrocarbon oils using the same. The hydrotreating catalyst of the present invention provides excellent tolerance to the inhibiting effect of hydrogen sulfide, high desulfurization activity, and exhibits notable effects for deep desulfurization of hydrocarbon oils containing high contents of sulfur, in particular gas oil fractions containing difficult-to-remove sulfur compounds.
    Type: Grant
    Filed: September 27, 1999
    Date of Patent: July 31, 2001
    Assignee: TonenGeneral Sekiyu K.K.
    Inventors: Masahiko Iijima, Yoshinobu Okayasu
  • Patent number: 6267934
    Abstract: The present invention relates to an apparatus for the continuous manufacture of solid particles of alkali metal persalts by reaction of an aqueous hydrogen peroxide solution with an aqueous solution of an alkali metal salt and crystallization of the persalt. The persalt is formed in a crystallizer classifier, which is made up of stirred region and a growth region for the persalt crystals a non-stirred clarifying region for the solution and a classification region for the particles obtained by elutriation in a liquid stream withdrawn in the clarifying region.
    Type: Grant
    Filed: February 22, 1999
    Date of Patent: July 31, 2001
    Assignee: Solvay Interox (Société Anonyme)
    Inventors: Romano Pardini, Soraya Parvaneh, Corrado Baccani
  • Patent number: 6267789
    Abstract: Process for enriching crude salt, in which the crude salt is ground and then cooled in a saturated aqueous sodium chloride solution, to a temperature below the anhydrous sodium chloride to sodium chloride dihydrate transition temperature, a stock of a powder comprising sodium chloride crystals is collected from the cooling step and the powder is subjected to particle-size fractionation from which a fine particle-size fraction and a coarse particle-size fraction comprising the enriched salt are collected.
    Type: Grant
    Filed: October 12, 1999
    Date of Patent: July 31, 2001
    Assignee: Solvay (Société Anonyme)
    Inventor: Léon Ninane
  • Patent number: 6258862
    Abstract: A composition including, by weight: from 40 to 80% of at least one uncrosslinked composition (A) including at least one polyolefin (PA); from 60 to 20% of at least one crosslinked composition (B) including at least one propylene polymer (PB) and at least one ethylene-vinyl acetate (EVA) copolymer. The composition B has preferably been obtained beforehand by processing a composition including from 10 to 49% of at least one propylene polymer (PB), from 90 to 51% by weight of at least one ethylene-vinyl acetate copolymer, and from 100 to 1500 ppm by weight of at least one crosslinking agent. This composition makes it possible especially to manufacture foam sheets which can be employed in the motor vehicle industry, which are thermoformable, HF weldable and recyclable.
    Type: Grant
    Filed: June 25, 1997
    Date of Patent: July 10, 2001
    Assignee: Solvay (Société Anonyme)
    Inventors: Pierre Matz, Edmond Mulkens