Patents Assigned to Perstorp AB
  • Patent number: 6166162
    Abstract: An ecologically sound refractory material includes a binder made of a cashew nutshell liquid and a resin selected from a liquid phenol resin, a phenol homologue and a formaldehyde homologue.
    Type: Grant
    Filed: December 22, 1998
    Date of Patent: December 26, 2000
    Assignees: Thyssen Krupp Stahl GmbH, Perstorp AB
    Inventors: Norbert Heine, Thomas Ballewski, Manfred Grossman
  • Patent number: 6153603
    Abstract: The present invention relates to a method of treating angiogenesis in tumor tissue, such as glioma and glioblastama tissue. The method comprises administering to a mammal, including, man an effective amount at an isomer of inositol trisphosphate, such as D-myo-inositol-1,2,6-trisphosphate, or a pharmaceutically acceptable salt thereof.
    Type: Grant
    Filed: May 22, 1998
    Date of Patent: November 28, 2000
    Assignee: Perstorp AB
    Inventor: Matti Siren
  • Patent number: 6134854
    Abstract: A flooring system for use with floating floors is described which includes a glider bar having base portions including extending rails in the form of dovetail protrusions. The bases and rails are longitudinally moveable relative to anchoring plates, which anchoring plates are affixed to a subflooring. Flush finished floor moldings are slid longitudinally along the rails and are glued or mechanically fixed, at one side only, to the adjacent floating laminate flooring. By this assembly, smooth transitions between adjacent floating floors, or where floating floors meet another hard floor covering, or carpet, can be achieved. The system can also be used with flush stair nosing elements.
    Type: Grant
    Filed: December 18, 1998
    Date of Patent: October 24, 2000
    Assignee: Perstorp AB
    Inventor: Oliver Stanchfield
  • Patent number: 6135287
    Abstract: Collapsible container (1) for fluent and particulate bulk goods, which container includes a carrying base part (20) which is provided with shock absorbing members (21), collapsible side walls (30) and preferably a lid. The side walls (30) are movably attached to the base part (20) via hinge parts (31). Adjacent side walls (30) are furthermore inter-connectable via a coupling which is angularly flexible around a vertical pivot axle. The lid (50) is mechanically connected with the side walls (30) so that forces can be absorbed in both the vertical and the horizontal plane.
    Type: Grant
    Filed: December 30, 1999
    Date of Patent: October 24, 2000
    Assignee: Perstorp AB
    Inventor: Peter Hartwall
  • Patent number: 6106654
    Abstract: Process for the manufacturing of a decorative thermosetting laminate with a wear-resistant and a scratch resistant surface layer, wherein a continuous paper web is impregnated with melamine-formaldehyde resin, that one side of the web is coated with hard particles with a size of 30-90 .mu.m. After drying, the other side is coated with a melamine-formaldehyde resin containing hard particles with an average particle size of 1-15 .mu.m. The paper is, after drying, placed as the uppermost sheet in a laminate with the side coated with the smallest particles directed upwards towards a continuous pressure surface.
    Type: Grant
    Filed: December 12, 1997
    Date of Patent: August 22, 2000
    Assignee: Perstorp AB
    Inventors: Per-Erik Velin, Nils-Joel Nilsson, Kent Lindgren
  • Patent number: 6093777
    Abstract: A partially or fully cured thermosetting product which includes a cured and molded product of a thermosetting composition. The composition includes 70% to 99% by weight of at least one thermosetting resin or compound and 1% to 30% by weight of at least one toughening agent. The toughening agent is at least one hyperbranched dendritic macromolecule formed of ester units, optionally in combination with ether units.
    Type: Grant
    Filed: November 3, 1997
    Date of Patent: July 25, 2000
    Assignee: Perstorp AB
    Inventors: Kent Sorensen, Bo Pettersson, Louis Boogh, Jan-Anders Edvin Manson
  • Patent number: 6046334
    Abstract: The present application is directed to a heterocyclic compound having the structural formula: ##STR1## where R is hydrogen, C.sub.1 -C.sub.2 alkyl, cyclohexyl, phenyl, benzyl, phenylethyl, 2-hydroxyethyl, 3-hydroxypropyl, carboxymethyl, 4-(carboxylamine)butyl or diphenylmethyl; M is hydrogen, sodium, potassium, magnesium or ammonium; and x is 1 or 2. The heterocyclic compound having the aforementioned structural formula finds application in many pharmaceutical applications.
    Type: Grant
    Filed: May 13, 1998
    Date of Patent: April 4, 2000
    Assignee: Perstorp AB
    Inventors: Lars Persson, Nicola Rehnberg
  • Patent number: 6029840
    Abstract: Collapsible container for transport and storage, comprising a bottom part (2) and side walls (1) movably connected to the bottom part (2) via hinges (3) which are formed by lower hinge-parts (3') and upper hinge-parts (3"). The hinge-parts (3', 3") are integrated with their respective part (1, 2). Two side walls (1), placed on opposite sides are provided with an inwards angled edge (4') at each of their two ends. The edges (4') connect, when in upright position, with the adjoining side walls (1). The inwards angled edges (4') are provided with a number of coupling devices (5) which are intended to interact with corresponding couplings (6) placed at the ends (4") of the adjoining side walls (1). The side walls (1) can hereby be locked together in an upright position. At least two opposite side walls (1), preferably all four, are provided with hollow channel-like reinforcing profiles (7) stretching along three sides of each of the side walls (1), wherein one of the sides is always an upper side (8).
    Type: Grant
    Filed: December 23, 1998
    Date of Patent: February 29, 2000
    Assignee: Perstorp AB
    Inventor: Manfred Brauner
  • Patent number: 6024911
    Abstract: A method of producing an injection molded article, such as a pallet made of a polymeric material. The pallet having an integral rim. Said rim is manufactured by means of a gas injection procedure involving a mold and means for injecting a pressurized gas into a molten polymeric material in the mold. The injection of the pressurized gas results in at least one substantially closed circumambient hollow internal channel in the rim, wherein the mold is provided with one or more mold cavity portions with an enlarged or expandable cross-section providing the outer shape of at least parts of the rim. The mold is further provided with at least one gate for injection of a molten polymeric material, and at least one gas duct for injection of the pressurized gas into the core of the molten polymeric material. Each gas duct is connected to a reservoir cavity, which reservoir cavities collectively form a part of the mold cavity portions.
    Type: Grant
    Filed: February 5, 1998
    Date of Patent: February 15, 2000
    Assignee: Perstorp AB
    Inventor: Manfred Brauner
  • Patent number: 5990260
    Abstract: A branched alkenyl functional polyester of a prepolymer having at least one carboxyl and at least three hydroxyl groups, which is made allylfunctional by reaction between at least one of said hydroxyl groups in the prepolymer and at least one monomeric or polymeric compound having at least one allylic unsaturation. The prepolymer is a condensation product obtained by condensing at least one monomer selected from the group consisting of di, tri or polyhydroxyfunctional monocarboxylic acids having 2-18 carbon atoms optionally followed by further chain extension by addition of at least one monohydroxyfunctional monocarboxylic acid or corresponding lactone having 2-24 carbon atoms.
    Type: Grant
    Filed: September 8, 1998
    Date of Patent: November 23, 1999
    Assignee: Perstorp AB
    Inventor: Bo Pettersson
  • Patent number: 5944215
    Abstract: A plastic vessel for a pressurized fluid, having an upper end wall and a lower end wall and an intermediate part with an outer wall and internal partition walls. The internal partition walls are placed in such a way in respect of each other and the outer wall that at least two longitudinal compartments for pressurized fluid are formed, which compartments are communicating with each other and run between the end walls. The vessel is non-circular. The outer wall between each pair of partition walls has a curve, with a radius adapted in such a manner that the tensions arising in the outer wall when the vessel is filled with a pressurized fluid will mainly be transformed solely to tensile stress in the partition walls which are joined to the outer wall. The partition walls are joined to the outer wall in the border lines where two such curves meet.
    Type: Grant
    Filed: September 16, 1997
    Date of Patent: August 31, 1999
    Assignee: Perstorp AB
    Inventor: Witold Orlowski
  • Patent number: 5934638
    Abstract: A skid for a load carrying article, such as a pallet or a container pallet. The skid has at least two hollow profiles made of a polymeric material by injection molding using a gas injection procedure. Each hollow profile has two or more longitudinal substantially closed hollow chambers. The hollow chambers are separated from each other and enveloped by one or more defining walls. All portions of the walls are of an essentially even material thickness and where respective upper portions of the walls form an upper horizontal surface at which each hollow profile is attached to the article.
    Type: Grant
    Filed: November 20, 1996
    Date of Patent: August 10, 1999
    Assignee: Perstorp AB
    Inventor: Jean Michel Provot
  • Patent number: 5866557
    Abstract: The present invention relates to the use of an ester of inositoltrisphosphate for the preparation of a medicament for preventing, alleviating or combatting inflammatory conditions in mammals including man.Injury or destruction of tissues should be understood as damage to an aggregation of specialized cells with a particular function both internally and externally in the body, such as different organs or parts of these, vessels, skin etc.Tissue damage involves a complex series of events such as dilatation of vessel walls e.g. arterioles, capillaries and venules, increased permeability of fluids including e.g. plasma proteins and increased blood flow. Increased vascular leakage often results in extravasation and oedema formation which characterize the damage of different tissues.Often tissue damage and inflammatory conditions are characterized by signs of pain, heat, redness, swelling and loss of function.
    Type: Grant
    Filed: July 22, 1996
    Date of Patent: February 2, 1999
    Assignee: Perstorp AB
    Inventors: Lars Persson, Nicola Rehnberg, Torgny Gustafsson
  • Patent number: 5846957
    Abstract: The present invention relates to the use of an ester of inositoltrispbosphate for the preparing of a medicament effective against retroviral diseases.
    Type: Grant
    Filed: May 21, 1996
    Date of Patent: December 8, 1998
    Assignee: Perstorp AB
    Inventor: Matti Siren
  • Patent number: 5760022
    Abstract: The invention relates to an inositol phosphate containing pharmaceutical composition which comprises an aliphatic ester or ether for improvement of the bioavailability of the inositol phosphate in mammals including man at non-parenteral administration. The invention also covers the use of at least one aliphatic ester or ether compound for the preparing of an inositol phosphate containing medicament with improved bioavailability of inositol phosphate in mammals including man at non-parenteral administration.
    Type: Grant
    Filed: July 17, 1996
    Date of Patent: June 2, 1998
    Assignee: Perstorp AB
    Inventors: Lars Persson, Torgny Gustafsson, Nicola Rehnberg
  • Patent number: 5744220
    Abstract: The present invention relates to a thermosetting decorative laminate (11), primarily intended as flooring laminate, comprising two or more layers (3, 4, 5), whereby at least one layer is a decorative layer (4) comprising a decor paper (9) provided with a bar pattern comprising a plurality of parallel rows of bars (14), whereby the bars (14) in adjoining rows preferably are mutually offset in the longitudinal direction. The bar pattern allows said laminate (11) to be divided into m longitudinal units or panels each consisting of p rows of bars (14), whereby said unit or panel comprises m.times.p rows of bars (14). The pattern of each left end bar (A1-A9) matches the pattern of corresponding right end bar (B1-B9) of each unit or panel and the pattern of these bars matches the pattern of corresponding end bars (A, B) in corresponding rows of all m units or panels.
    Type: Grant
    Filed: August 16, 1996
    Date of Patent: April 28, 1998
    Assignee: Perstorp AB
    Inventor: Peter Ringo
  • Patent number: D387557
    Type: Grant
    Filed: February 28, 1996
    Date of Patent: December 16, 1997
    Assignee: Perstorp AB
    Inventor: Jean Michel Provot
  • Patent number: D390458
    Type: Grant
    Filed: April 7, 1997
    Date of Patent: February 10, 1998
    Assignee: Perstorp AB
    Inventor: Karl-Gustaf Kristoffersson
  • Patent number: D417539
    Type: Grant
    Filed: February 13, 1997
    Date of Patent: December 7, 1999
    Assignee: Perstorp AB
    Inventor: Kaj Koskinen
  • Patent number: D421183
    Type: Grant
    Filed: April 20, 1998
    Date of Patent: February 29, 2000
    Assignee: Perstorp AB
    Inventor: Kaj Koskinen