Patents by Inventor Leif Svensson

Leif Svensson 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: 10300053
    Abstract: A compound of formula (I) or a pharmaceutically acceptable salt thereof, for use in the treatment of leukemia.
    Type: Grant
    Filed: November 5, 2015
    Date of Patent: May 28, 2019
    Assignee: ACTIVE BIOTECH AB
    Inventors: Helena Eriksson, Leif Svensson, Marie Törngren
  • Publication number: 20170319568
    Abstract: A compound of formula (I) or a pharmaceutically acceptable salt thereof, for use in the treatment of leukemia.
    Type: Application
    Filed: November 5, 2015
    Publication date: November 9, 2017
    Applicant: Active Biotech AB
    Inventors: Helena ERIKSSON, Leif SVENSSON, Marie TÖRNGREN
  • Patent number: 9216956
    Abstract: Deuterium-enriched 4-hydroxy-5-methoxy-N,1-dimethyl-2-oxo-N-[(4-trifluoromethyl) -phenyl]-1,2-dihydroquinoline-3-carboxamide, having a deuterium enrichment in the amide-N methyl group of at least 70%; or a salt thereof with a pharmaceutically acceptable organic or inorganic cation; and a method of preparing said compounds. The compounds are useful in therapy, e.g. for the treatment of a malignant hyperproliferative disorder or an autoimmune disease.
    Type: Grant
    Filed: June 20, 2012
    Date of Patent: December 22, 2015
    Assignee: ACTIVE BIOTECH AB
    Inventor: Leif Svensson
  • Publication number: 20140112946
    Abstract: Deuterium-enriched 4-hydroxy-5-methoxy-N,1-dimethyl-2-oxo-N-[(4-trifluoromethyl)-phenyl]-1,2-dihydroquinoline-3-carboxamide, having a deuterium enrichment in the amide-N methyl group of at least 70%; or a salt thereof with a pharmaceutically acceptable organic or inorganic cation; and a method of preparing said compounds. The compounds are useful in therapy, e.g. for the treatment of a malignant hyperproliferative disorder or an autoimmune disease.
    Type: Application
    Filed: June 22, 2012
    Publication date: April 24, 2014
    Applicant: ACTIVE BIOTECH AB
    Inventor: Leif Svensson
  • Publication number: 20100029767
    Abstract: Compounds of formula (I) are provided, wherein X is CH?CH, CH2O wherein the oxygen atom is bound to ring B, or OCH2 wherein the oxygen atom is bound to ring A; Y is hydrogen, straight or branched C1-C6 alkyl or a pharmaceutically acceptable inorganic cation; R1 is ethyl or cyclopropyl; and R2 and R3 are the same or different and are selected from F, Cl, Br, CF3 and OCF3. The compounds are useful for the treatment of autoimmune diseases, inflammatory diseases, organ transplant rejection, and malignant neoplasia. Pharmaceutical compositions comprising the compounds, methods of using the compounds, and methods for preparing the compounds are also provided.
    Type: Application
    Filed: August 4, 2009
    Publication date: February 4, 2010
    Inventors: Helén Tuvesson Andersson, Ulf Vellmar, Ingrid Hallin, Leif Svensson, Ingela Fritzson
  • Patent number: 6484992
    Abstract: An arrangement for a flag pole which exhibits, extending along the outside of the flag pole, a raisable holder for a flag, standard, banner or similar, whereby a line is so arranged and attached to the aforementioned flag holder as to run over a line deflector pulley situated at the top of the flag pole and down to the ground. The flag holder and a number of mast track slides and a counterweight are so arranged as to be guided by a guide extending in the longitudinal sense of the flag pole on the outside thereof, and a flag, etc., is so arranged as to be detachably attached to the aforementioned guided moving parts. In addition guide runners, which are pivotally mounted and capable of lateral movement to a certain extent, are attached to the flag holder.
    Type: Grant
    Filed: October 25, 2000
    Date of Patent: November 26, 2002
    Inventors: Leif Svensson, Mats Svensson
  • Patent number: 4900819
    Abstract: The disclosure relates to a method of initiating a crystal growth prior to filtering off, from the mother liquor in which they were produced, of such crystalline explosives of the type hexogen and octogen produced by the so-called Bachmann process or variations of this process.According to the invention, the mother liquor is, after the end of the chemical reaction proper, subjected to a pressure-heat treatment which initiates the partial dissolution of the crystalline explosives obtained in the process, giving rise, after cooling of the mother liquor, to larger crystals which may more readily be filtered off.According to a further improvement of the invention a relatively pure octogen may be extracted from the mother liquor by way of a thermo-filtering of said liquor at a temperature of 60.degree.-110.degree. C.
    Type: Grant
    Filed: April 21, 1988
    Date of Patent: February 13, 1990
    Assignee: Nobel Kemi AB
    Inventors: Per Ericsson, Leif Svensson, Nils-Ingvar Olsson, Bertil Bergstrom
  • Patent number: 4718346
    Abstract: The disclosure relates to an explosive charge intended for the explosive jointing of, primarily, large-diameter pipes, such as pipeline pipes. The charge according to the invention is intended to be delivered as a unit ready to be applied immediately on site in the pipe. The only item which is not intended to be included is the detonator which is mounted in place immediately prior to blowing the charge. The charge includes, apart from explosive, also a polymer binder of a more closely defined type and gas blisters preferably in the form of microspheres of glass or plastic and metal or metal oxide powder. The scope of the invention embraces the general configuration of the charge and all components included therein.
    Type: Grant
    Filed: June 20, 1986
    Date of Patent: January 12, 1988
    Assignee: Nobel Kemi AB
    Inventors: Hermann Schmid, Per Sjoberg, Leif Svensson
  • Patent number: 4706567
    Abstract: The disclosure relates to a method for producing charges for explosive jointing of large-diameter pipes such as pipelines. According to the invention, such charges are formed in that a strip-shaped flat explosive is wound and joined together to form a circular ring of even thickness consisting of a plurality of closely abutting layers.
    Type: Grant
    Filed: June 20, 1986
    Date of Patent: November 17, 1987
    Assignee: Nobel Kemi AB
    Inventors: Hermann Schmid, Per Sjoberg, Leif Svensson
  • Patent number: 4638065
    Abstract: The present invention relates to a method for the recrystallization of the high explosives HMX and RDX. According to the invention, the explosive is dissolved in a low molecular weight, liquid (at room temperature) lactone, after which the degree of saturation of the solution obtained, is changed by either lowering the temperature or by diluting with water.This method produces, depending on the crystallization method chosen, .beta.-HMX crystals or RDX crystals of either 50-1500 .mu.m or 5-50 .mu.m median particle diameter respectively.
    Type: Grant
    Filed: March 26, 1985
    Date of Patent: January 20, 1987
    Assignee: Aktiebolaget Bofors
    Inventors: Leif Svensson, Jan-Olof Nyqvist, Lars Westling
  • Patent number: 4451663
    Abstract: New bronchospasmolytically active compounds exhibiting long duration of action and reduced undesired side effects of the structural formula ##STR1## and therapeutically acceptable salts thereof, in which formula R is selected from the group consisting of --C(CH.sub.3).sub.3, ##STR2## R.sup.1 is selected from the group consisting of H and R.sup.2, R.sup.2 represents the radical of the formula ##STR3## wherein R.sup.3 is selected from the group consisting of(a) H(b) alkyl groups containing 1-3 carbon atoms ##STR4## wherein R.sup.5 is selected from the group consisting of(a) OH(b) alkoxy groups containing 1-3 carbon atoms and whereinR.sup.4 is selected from the group consisting of(a) H(b) alkyl groups containing 1-3 carbon atoms, with the proviso that R.sup.3 and R.sup.4 are combined as follows:______________________________________ when R.sup.3 is then R.sup.
    Type: Grant
    Filed: July 6, 1982
    Date of Patent: May 29, 1984
    Assignee: Aktiebolaget Draco
    Inventors: O. A. Torsten Olsson, Leif A. Svensson, Kjell I. L. Wetterlin
  • Patent number: 4419364
    Abstract: New bronchospasmolytically active compounds exhibiting long duration of action and reduced undesired side effects of the structural formula ##STR1## and therapeutically acceptable salts thereof, in which formula R is selected from the group consisting of --C(CH.sub.3).sub.3, ##STR2## R.sup.1 is selected from the group consisting of H and R.sup.2, R.sup.2 represents the radical of the formula ##STR3## wherein R.sup.3 is selected from the group consisting of (a) H(b) alkyl groups containing 1-3 carbon atoms ##STR4## wherein R.sup.5 is selected from the group consisting of (e) OH(b) alkoxy groups containing 1-3 carbon atoms and whereinR.sup.4 is selected from the group consisting of(a) H(b) alkyl groups containing 1-3 carbon atoms, with the proviso that R.sup.3 and R.sup.4 are combined as follows:______________________________________ when R.sup.3 is then is R.sup.
    Type: Grant
    Filed: July 1, 1981
    Date of Patent: December 6, 1983
    Assignee: Aktiebolaget Draco
    Inventors: O. A. Torsten Olsson, Leif A. Svensson, Kjell I. L. Wetterlin