Patents Represented by Attorney ProPat, L.L.C.
  • Patent number: 6677049
    Abstract: The invention relates to a multi-layered biaxially-oriented film, mainly made of a crystallizeable thermoplastic polyester and economically produceable with a high surface quality, i.e. without pinning bubbles and without electric arcing and film breaks, at production speeds of 340 m/min or higher. According to the invention the multi-layered polyester film has an average specific electrical melt resistance over its total thickness which lies within a range from 1.5×107 to 30×107 &OHgr;×cm. The invention also relates to a method of production of the film.
    Type: Grant
    Filed: August 24, 2001
    Date of Patent: January 13, 2004
    Assignee: Mitsubishi Polyester Film GmbH
    Inventors: Harald Mueller, Ursula Murschall
  • Patent number: 6673877
    Abstract: Binders for aqueous corrosion protection systems, comprising products A′ABC of reaction of epoxy resins, fatty acids, and amines, having a number average molar mass Mn of at least 5000 g/mol, obtained by reacting epoxide compounds A′ containing at least two epoxide groups per molecule and reaction products ABC of epoxide compounds A, fatty acids B, and amines C, wherein, where appropriate, the epoxide compounds A′ and/or the epoxide compounds A have been modified prior to further reaction, in whole or in part, by reaction with compounds D containing at least one acid group or hydroxyl group reactive toward epoxide groups, and wherein, where appropriate, the amines C have been modified prior to further reaction, in whole or in part, by reaction with aliphatic or aromatic monoepoxide compounds A″ or mixtures thereof.
    Type: Grant
    Filed: January 18, 2002
    Date of Patent: January 6, 2004
    Assignee: Solutia Austria GmbH
    Inventors: Willibald Paar, Manfred Krassnitzer, Maximilian Friedl, Roland Feola, Johann Gmoser
  • Patent number: 6673963
    Abstract: The invention relates to a process for preparing sorbic acid by thermal cleavage in a solvent of the polyester prepared from crotonaldehyde and ketene, the cleavage of the polyester being carried out in the presence of 20 to 100% by weight of a secondary or tertiary aliphatic, alicyclic nitrogen- and/or oxygen-containing amine, or aliphatic-aromatic substituted amine, as catalyst.
    Type: Grant
    Filed: September 9, 2002
    Date of Patent: January 6, 2004
    Assignee: Nutrinova Nutrition Specialties & Food Ingredients GmbH
    Inventors: Daniel Decker, Guenter Roscher, Christoph Mollenkopf, Erwin Weiss, Stefan Purps
  • Patent number: 6670041
    Abstract: Water-dilutable binders which are self-crosslinking at room temperature, comprising reaction products ABF with epoxy-amine adducts A and formaldehyde resin formers B selected from phenols B1, (substituted) ureas B2, melamine B3, guanamines B4, and mixtures of said resin formers, with formaldehyde F or compounds which give off formaldehyde under the reaction conditions, may be formulated, following at least partial neutralization, to give aqueous coating materials which give coatings affording outstanding corrosion protection.
    Type: Grant
    Filed: November 2, 2001
    Date of Patent: December 30, 2003
    Assignee: Solutia Austria GmbH
    Inventors: Willibald Paar, Roland Feola, Johann Gmoser, Michael Gobec
  • Patent number: 6652955
    Abstract: A hot-moldable laminated sheet has a core, made from a prefabricated flat sheet of wood and/or cellulose fibers which have been impregnated with heat-curable phenol/formaldehyde resin. The flat sheet being thickened in the opposite edge regions. The two surfaces of the core are provided with decorative layers.
    Type: Grant
    Filed: August 21, 2000
    Date of Patent: November 25, 2003
    Assignee: Trespa International B.V.
    Inventor: Johannes Petrus Marinus Plug
  • Patent number: 6652921
    Abstract: The present invention relates to wood which contains a sorbic acid store and to processes for producing the sorbic acid store in the wood or on the surface of the wood. The present invention also relates to a process for using sorbic acid and its salts for protecting wood from microbially induced degradation.
    Type: Grant
    Filed: November 8, 2001
    Date of Patent: November 25, 2003
    Assignee: Nutrinova Nutrition Specialties & Food Ingredients GmbH
    Inventors: Nico N. Raczek, Katrin Saelzer
  • Patent number: 6653369
    Abstract: Water dilutable amine curing agents for aqueous epoxy resin dispersions, comprising a combination of an epoxide-amine adduct with an emulsifier, the epoxide-amine adduct being obtainable by reacting a polyepoxide with a reaction product of an amine and an epoxide component or an amine and subsequent reaction with an epoxide component, the amount of amine being chosen such that the number of nitrogen-attached hydrogen atoms the number of epoxide groups by a factor of from 2 to 10, and the emulsifier being obtainable by reacting diepoxides or polyepoxides with compounds that are at least difunctional with respect to epoxides, optionally with compounds D that are monofunctional with respect to epoxides, and with amines G which contain at least one tertiary and at least one primary or at least two secondary amino group(s).
    Type: Grant
    Filed: May 6, 2002
    Date of Patent: November 25, 2003
    Assignee: Solutia Austria GmbH
    Inventors: Martin Gerlitz, Thomas Fischer, Andreas Gollner, Manfred Gogg, Elfriede Prucher, Heike Schneeberger, Josef Wenzl
  • Patent number: 6653370
    Abstract: Water-dilutable, cationically stabilized epoxy resins ZYX are obtained by reacting, in the first stage, aromatic or aliphatic epoxide compounds Z with aliphatic amines Y to form epoxy-amine adducts ZY which are neutralized and then in aqueous dispersion are reacted in a second stage with a further epoxy resin X. The resins ZYX may be formulated without additional curatives to give aqueous coating materials which exhibit a good corrosion protection effect.
    Type: Grant
    Filed: November 2, 2001
    Date of Patent: November 25, 2003
    Assignee: Solutia Austria GmbH
    Inventors: Willibald Paar, Roland Feola, Johann Gmoser, Maximilian Friedl
  • Patent number: 6649247
    Abstract: The invention relates to a sealable, flame-retardant, coextruded, biaxially oriented polyester film with one matt side, and composed of at least one base layer B and of, applied to the two sides of this base layer, a sealable outer layer A and a matt outer layer C. The film also comprises at least one flame retardant. The invention further relates to the use of the film and to a process for its production.
    Type: Grant
    Filed: July 26, 2002
    Date of Patent: November 18, 2003
    Assignee: Mitsubishi Polyester Film GmbH
    Inventors: Ursula Murschall, Ulrich Kern, Guenther Crass, Herbert Peiffer, Hans Mahl
  • Patent number: 6635340
    Abstract: The present application relates to a white, biaxially oriented, flame-retardant polyester film with at least one base layer which comprises, based on the weight of the base layer, from 2 to 60% by weight of a cycloolefin copolymer (COC), where the glass transition temperature of the COC is within the range from 70 to 270° C. The film also comprises from 0.5 to 30% by weight of flame retardant, based on the weight of the layer comprising the flame retardant. The film of the invention is suitable for packing foods or other consumable items which are sensitive to light and/or to air, or for use in industry, e.g. in the production of hot-stamping foils or as a label film, or for image-recording papers, printed sheets or magnetic recording cards.
    Type: Grant
    Filed: February 12, 2001
    Date of Patent: October 21, 2003
    Assignee: Mitsubishi Polyester Film GmbH
    Inventors: Herbert Peiffer, Klaus Oberlaender, Gottfried Hilkert, Ursula Murschall
  • Patent number: 6630224
    Abstract: The invention relates to a matt, biaxially oriented polyester film having at least one matt base layer (B) which comprises at least 70% by weight of thermoplastic polyester, and also a pigment system with narrow grain size distribution. The invention further relates to the use of the film and to a process for its production. The film of the invention has characteristic matt surfaces and has good suitability for use as a packaging film or for industrial applications.
    Type: Grant
    Filed: September 10, 2001
    Date of Patent: October 7, 2003
    Assignee: Mitsubishi Polyester Film GmbH
    Inventors: Herbert Peiffer, Guenther Crass, Gottfried Hilkert
  • Patent number: 6627295
    Abstract: The invention relates to a biaxially oriented polyester film having at least one matt side and composed of at least one base layer (B) and of, applied to this base layer, at least one matt outer layer (A) which comprises at least 70% by weight of thermoplastic polyester and also to a pigment system with narrow grain size distribution. The invention further relates to the use of the film and to a process for its production. The film of the invention with the outer layer (A) has a characteristic matt surface and characteristic optical properties and has good suitability for use as a packaging film or for industrial applications.
    Type: Grant
    Filed: September 10, 2001
    Date of Patent: September 30, 2003
    Assignee: Mitsubishi Polyester Film GmbH
    Inventors: Herbert Peiffer, Stefan Bartsch
  • Patent number: 6627695
    Abstract: The present application relates to a white, biaxially oriented, UV-resistant polyester film with at least one base layer which comprises, based on the weight of the base layer, from 2 to 60% by weight of a cycloolefin copolymer (COC), where the glass transition temperature of the COC is within the range from 70 to 270° C. The film also comprises from 0.01 to 5.0% by weight of a UV stabilizer as light stabilizer, based on the weight of the base layer. The film of the invention is suitable for packing foods or other consumable items which are sensitive to light and/or to air, or for use in industry, e.g. in the production of hot-stamping foils or as a label film, or for image-recording papers, printed sheets or magnetic recording cards.
    Type: Grant
    Filed: February 12, 2001
    Date of Patent: September 30, 2003
    Assignee: Mitsubishi Polyester Film GmbH
    Inventors: Ursula Murschall, Herbert Peiffer, Gottfried Hilkert, Richard Lee Davis
  • Patent number: 6617393
    Abstract: Aqueous binder mixtures comprising a water-dilutable resin and a water-miscible hydroxy urethane have an increased mass fraction of solids and may be formulated in combination with curatives which are active at elevated temperature to give automobile primer-surfacer materials.
    Type: Grant
    Filed: October 11, 2001
    Date of Patent: September 9, 2003
    Assignee: Solutia Austria GmbH
    Inventors: Gert Dworak, Roland Feola, Johann Gmoser, Werner Staritzbichler
  • Patent number: 6617035
    Abstract: The invention relates to a hot-sterilizable, biaxially oriented polyester film with good metal adhesion, with a base layer B containing at least 80% by weight of thermoplastic polyester, and with at least one adhesive layer which contains a mixture or a blend of two components I and II, wherein component I of the mixture or the blend contains a polyethylene terephthalate copolymer, which contains a sulfomonomer and wherein component II of the mixture or the blend contains acrylic copolymer.
    Type: Grant
    Filed: December 11, 2001
    Date of Patent: September 9, 2003
    Assignee: Mitsubishi Polyester Film GmbH
    Inventors: Herbert Peiffer, Stefan Bartsch, Richard Lee Davis
  • Patent number: 6607815
    Abstract: The invention describes a biaxially oriented polyester film with at least one base layer B, with at least one metal-adherent outer layer A, and preferably with another outer layer C, the metal-adherent outer layer A having a metal adhesion of at least 4 N/25 mm wherein the metal adherent layer consists essentially of an amorphous copolyester comprising ethylene terephthalate and ethylene isophthalate units.
    Type: Grant
    Filed: July 18, 2001
    Date of Patent: August 19, 2003
    Assignee: Mitsubishi Polyester Film GmbH
    Inventors: Stefan Bartsch, Herbert Peiffer
  • Patent number: 6607808
    Abstract: The invention relates to a biaxially oriented polyester film having at least one matt side and composed of at least one base layer (B) made from a thermoplastic polyester and of, applied to this base layer (B), at least one matt outer layer (A) which comprises at least 70% by weight of thermoplastic polyester. The outer layer (A) has a characteristic matt surface and characteristic optical properties and has good suitability for use as a packaging film or for industrial application. The invention further relates to the use and to a process for its production.
    Type: Grant
    Filed: September 10, 2001
    Date of Patent: August 19, 2003
    Assignee: Mitsubishi Polyester Film GmbH
    Inventors: Herbert Peiffer, Stefan Bartsch, Martin Mueller-Roosen
  • Patent number: 6607822
    Abstract: The present invention relates to an at least single-layer, biaxially oriented film support for magnetic recording media which is predominantly composed of crystallizable polyester, having a thickness in the range from 1 to 40 &mgr;m. The film has, over its total roll length and roll width and after it has been made up into customer rolls, an electrostatic charge build-up which is in the range from −80 kV/m to +80 kV/m, the contact pressure at the roll cutters during make-up being set in the range from 300 N/m to 350 N/m. The film is drawn between electrical discharge means, which are arranged close to the roll, along the film path in the make-up machine, and is particularly suitable for high-quality audio, video or computer tapes and for floppy disks or thermal tapes.
    Type: Grant
    Filed: March 16, 2001
    Date of Patent: August 19, 2003
    Assignee: Mitsubishi Polyester Film GmbH
    Inventors: Ursula Murschall, Andreas Stopp, Guenther Crass, Harald Mueller
  • Patent number: 6596817
    Abstract: Low molar mass polyester polyols having a weight average molar mass Mw of up to 3500 g/mol, hydroxyl numbers of from 80 to 280 mg/g and acid numbers of from 5 to 40 mg/g, comprising structural units derived from aliphatic monocyclic or polycyclic compounds containing at least two hydroxyl and/or epoxide groups and at least one heteroatom, aliphatic acyclic or cyclic polyhydroxy compounds containing three or more hydroxyl groups per molecule, linear or branched aliphatic dihydroxy compounds and aliphatic cyclic polycarboxylic acids, alone or in a mixture with low molar mass acrylate copolymers, may be processed to give coating materials which dry rapidly, and result in defect-free surfaces.
    Type: Grant
    Filed: June 15, 2001
    Date of Patent: July 22, 2003
    Assignee: Solutia Austria GmbH
    Inventors: Ulrich Epple, Ulrike Kuttler, Adolf Labenbacher
  • Patent number: 6579964
    Abstract: Water-dilutable etherified melamine-formaldehyde resins obtained by reacting melamine, formaldehyde, a compound having anionic groups and an etherification alcohol in a mixing ratio of melamine:formaldehyde:compound having anionic group:etherification alcohol of 1:(1.7 to 7.0):(0.01 to 0.4):(10 to 30) in the reaction mixture, are prepared in a multistage process and are used for preparing impregnates, especially glass fiber fleece and in paper coating.
    Type: Grant
    Filed: October 31, 2001
    Date of Patent: June 17, 2003
    Assignee: Solutia Germany GmbH & Co. KG
    Inventors: Johann Wonner, Frank Scholl, Karin Schloettig, Guenter Woelfert