Patents Assigned to Perstorp AB
  • Patent number: 5057507
    Abstract: A method of preventing or alleviating tissue or bone damage in mammals is disclosed. The method comprises administering, to a mammal, a tissue damage or a bone damage preventing or alleviating effective amount of a pharmaceutical composition which includes at least one isomer of inositol trisphosphate.
    Type: Grant
    Filed: January 24, 1991
    Date of Patent: October 15, 1991
    Assignee: Perstorp AB
    Inventor: Matti Siren
  • Patent number: 5051411
    Abstract: A method of reducing the negative effects of heavy metals and a method of preventing or alleviating immunodeficiency, hypertension and dermatitis in mammals is disclosed. In these methods pharmaceutical compositions are administered to a mammal in need thereof. The particular pharmaceutical composition includes a reducing, preventing or alleviating effective amount, for the particular condition, of at least one isomer of inositol triphosphate.
    Type: Grant
    Filed: June 19, 1989
    Date of Patent: September 24, 1991
    Assignee: Perstorp AB
    Inventor: Matti Siren
  • Patent number: 5034272
    Abstract: A decorative thermosetting laminate with an extremely increased abrasion resistance comprising a base layer and at least two patterned decor sheets of paper impregnated with a thermosetting resin and firmly bonded to the base layer. The paper material of these decor sheets is transparent. These sheets are provided with the same pattern and placed on top of each other in such a manner that the corresponding parts of the pattern of the sheets coincide at least mainly but preferably fully with each other, whereby the pattern at abrasion of one decor sheet will be repeated in the next decor sheet.
    Type: Grant
    Filed: August 24, 1989
    Date of Patent: July 23, 1991
    Assignee: Perstorp AB
    Inventors: Kent O. Lindgren, Alf H. Hasselqvist, Roland K. A. Larsson
  • Patent number: 5023248
    Abstract: A method of treating diabetes or complications of diabetes is disclosed. In this method a pharmaceutically effective amount of at least one isomer of inositol triphosphate is administered to a human or an animal in need thereof.
    Type: Grant
    Filed: September 30, 1988
    Date of Patent: June 11, 1991
    Assignee: Perstorp AB
    Inventor: Matti Siren
  • Patent number: 5019566
    Abstract: A method of reducing the negative effect of cadmium or aluminum ion or free-radicals in body tissues and a method of preventing or alleviating certain diseases and conditions by administering to a human or an animal a pharmaceutical composition comprising an amount of at least one specific isomer of inositol triphosphate sufficient to obtain said prevention or alleviation.
    Type: Grant
    Filed: March 28, 1988
    Date of Patent: May 28, 1991
    Assignee: Perstorp AB
    Inventor: Matti Siren
  • Patent number: 5015634
    Abstract: A method of preventing or alleviating tissue or bone damage in mammals is disclosed. The method comprises administering, to a mammal, a tissue damage or a bone damage preventing or alleviating effective amount of a pharmaceutical composition which includes at least one isomer of inositol trisphosphate.
    Type: Grant
    Filed: March 13, 1990
    Date of Patent: May 14, 1991
    Assignee: Perstorp AB
    Inventor: Matti Siren
  • Patent number: 5010124
    Abstract: Flowability improving agent comprising a combination of(A) a sulphonated melamine-formaldehyde resin, a sulphonated melamine-urea-formaldehyde resin or a sulphonated naphthalene-formaldehyde resin and(B) a compound of the general formulaAr O--[R.sub.1 ].sub.n --R.sub.2.
    Type: Grant
    Filed: January 30, 1989
    Date of Patent: April 23, 1991
    Assignee: Perstorp AB
    Inventors: Lars-Inge R. Olsson, Kent F. Hamacek
  • Patent number: 5003098
    Abstract: A method of reducing or eliminating adverse effects of a pharmaceutical composition or a drug is disclosed. The method comprises administering to an animal or a human an amount of at least one specific isomer of inositol triphosphate sufficient to reduce or eliminate said adverse effects.
    Type: Grant
    Filed: July 1, 1988
    Date of Patent: March 26, 1991
    Assignee: Perstorp AB
    Inventors: Matti Siren, David Blake
  • Patent number: 4863062
    Abstract: A hinge arrangement for a container is provided, which includes a first member defining a plurality of spaced apart knuckles and a second member defining a knuckle to be located between two adjacent knuckles on the first member. The knuckles on the first member and the knuckle on the second member define an inter-engaging unit to enable the knuckles to be pivotally connected together. The second member also defines a structure for releasably connecting the knuckle carried thereby to the container to which the first member is to be hingedly connected.
    Type: Grant
    Filed: July 13, 1987
    Date of Patent: September 5, 1989
    Assignee: Perstorp AB
    Inventor: Hubert J. Holliday
  • Patent number: 4824381
    Abstract: Metal net, mainly intended for the production of printed circuit boards. Said net is made of covar, molybdenum, invar or wolfram and is possibly coated with copper.
    Type: Grant
    Filed: January 29, 1988
    Date of Patent: April 25, 1989
    Assignee: Perstorp AB
    Inventors: Tommy H. Hertzberg, Bernt Ekstrom
  • Patent number: 4783448
    Abstract: The present invention relates to a method for cleansing a fluid-discharging infected sore located on the exterior of the body by avoiding the formation of an escar on the sore.
    Type: Grant
    Filed: June 7, 1983
    Date of Patent: November 8, 1988
    Assignee: Perstorp AB
    Inventor: Olof J. A. Johansson
  • Patent number: 4772493
    Abstract: A process for impregnating a continuous sheet of glass fibre web, paper, carbon fibre, cloth etc., which comprises feeding the sheet continuously into a closed vessel filled to a suitable height with a polymer solution, immersing the sheet under the surface of polymer solution while causing solvent boiling to occur and solvent vapor bubbles to flow out of the sheet, whereby bubbles of gas, such as air held or absorbed in the sheet during the immersion, are automatically removed from the sheet and then withdrawing the sheet from the vessel.
    Type: Grant
    Filed: November 27, 1987
    Date of Patent: September 20, 1988
    Assignee: Perstorp AB
    Inventors: Alan N. Syrop, Richard W. Eve, Stephen Temple
  • Patent number: 4740304
    Abstract: Composition for use in a twophase or a multiphase system for extraction, purification, concentration and/or separation of biological substances. The composition is characterized in that it contains hydroxyalkyl starch with a degree of substitution in respect of hydroxyalkyl groups of more than 0.02 per glucose unit on an average and with an average molecular weight lower than 800000, preferably at most 400000 and most preferably at most 250000.
    Type: Grant
    Filed: August 6, 1986
    Date of Patent: April 26, 1988
    Assignee: Perstorp AB
    Inventors: Folke G. Tjerneld, Gote O. Johansson
  • Patent number: 4494964
    Abstract: Use of fine-grained pentaerythritol, dipentaerythritol or a mixture of these compounds as a pore forming additive in porous ceramic products such as ceramic abrasive wheels and ceramic filters.
    Type: Grant
    Filed: April 5, 1984
    Date of Patent: January 22, 1985
    Assignee: Perstorp AB
    Inventors: Stig L. Ohlsson, Jan-Olov K. Berthou
  • Patent number: 4471720
    Abstract: From separate bottom, wall and top units easily mountable and demountable modulus built cages for animals, including bottom units, side walls, back walls and top units. The cages are characterized in that the bottom units along their adjacent sides are provided with a first set of mounting means for mounting two bottom units together and a second set of mounting means for mounting the side walls on the bottom units, that the side walls at their vertical rear edges are provided with mounting means for the back walls, that the side walls are provided at the top with mounting means for the top units and that the side walls are provided at the bottom with mounting means intended to cooperate with the second set of mounting means on the bottom units.
    Type: Grant
    Filed: August 19, 1982
    Date of Patent: September 18, 1984
    Assignee: Perstorp AB
    Inventors: Lars M. Hedeson, Hans Fischer
  • Patent number: D271000
    Type: Grant
    Filed: June 16, 1981
    Date of Patent: October 18, 1983
    Assignee: Perstorp AB
    Inventor: Alf Rimer
  • Patent number: D291738
    Type: Grant
    Filed: March 26, 1985
    Date of Patent: September 1, 1987
    Assignee: Perstorp AB
    Inventor: Witold Orlowski
  • Patent number: D291739
    Type: Grant
    Filed: March 26, 1985
    Date of Patent: September 1, 1987
    Assignee: Perstorp AB
    Inventor: Witold Orlowski
  • Patent number: D306407
    Type: Grant
    Filed: January 15, 1987
    Date of Patent: March 6, 1990
    Assignee: Perstorp AB
    Inventor: Hubert J. Holliday
  • Patent number: D318568
    Type: Grant
    Filed: July 7, 1988
    Date of Patent: July 30, 1991
    Assignee: Perstorp AB
    Inventor: Jorgen H.ang.kansson