Patents by Inventor Erik Rytter Ottosen

Erik Rytter Ottosen 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: 9346809
    Abstract: The invention relates to compounds of general formula (I) wherein A, R1, R2, R3, R4, R5, R9, m and n are defined as defined herein, and pharmaceutically acceptable salts, hydrates, or solvates thereof, for use—alone or in combination with one or more other pharmaceutically active compounds—in therapy, as JAK kinase and protein tyrosine kinase inhibitors for preventing, treating or ameliorating diseases and complications thereof, including, for example, psoriasis, atopic dermatitis, rosacea, lupus, multiple sclerosis, rheumatoid arthritis, Type I diabetes, asthma, cancer, autoimmune thyroid disorders, ulcerative colitis, Crohn's disease, Alzheimer's disease, leukaemia, eye diseases such as diabetic retinopathy and macular degeneration as well as other autoimmune diseases and indications where immunosuppression would be desirable for example in organ transplantation.
    Type: Grant
    Filed: July 8, 2010
    Date of Patent: May 24, 2016
    Assignee: LEO PHARMA A/S
    Inventors: Simon Feldbæk Nielsen, Daniel Rodriguez Greve, Carsten Ryttersgaard, Gunnar Grue-Sørensen, Erik Rytter Ottosen, Tina Dahlerup Poulsen, Søren Christian Schou, Anthony Murray
  • Patent number: 8293772
    Abstract: The invention relates to novel compounds according to formula Ia and Ib, said compounds being useful, e.g. in the treatment of inflammatory, ophthalmic diseases, or cancer.
    Type: Grant
    Filed: December 2, 2005
    Date of Patent: October 23, 2012
    Assignee: Leo Pharma A/S
    Inventor: Erik Rytter Ottosen
  • Publication number: 20120178740
    Abstract: The invention relates to compounds of general formula (I) wherein A, R1, R2, R3, R4, R5, R9, m and n are defined as defined herein, and pharmaceutically acceptable salts, hydrates, or solvates thereof, for use—alone or in combination with one or more other pharmaceutically active compounds—in therapy, as JAK kinase and protein tyrosine kinase inhibitors for preventing, treating or ameliorating diseases and complications thereof, including, for example, psoriasis, atopic dermatitis, rosacea, lupus, multiple sclerosis, rheumatoid arthritis, Type I diabetes, asthma, cancer, autoimmune thyroid disorders, ulcerative colitis, Crohn's disease, Alzheimer's disease, leukaemia, eye diseases such as diabetic retinopathy and macular degeneration as well as other autoimmune diseases and indications where immunosuppression would be desirable for example in organ transplantation.
    Type: Application
    Filed: July 8, 2010
    Publication date: July 12, 2012
    Applicant: LEO PHARMA A/S
    Inventors: Simon Feldbæk Nielsen, Daniel Rodriguez Greve, Carsten Ryttersgaard, Gunnar Grue-Sørensen, Erik Rytter Ottosen, Tina Dahlerup Poulsen, Søren Christian Schou, Anthony Murray
  • Patent number: 7977387
    Abstract: The invention provides novel compounds according to formula I relates to compounds with the general formula I said compounds being useful, e.g. in the treatment of inflammatory, ophthalmic diseases or cancer.
    Type: Grant
    Filed: July 9, 2004
    Date of Patent: July 12, 2011
    Assignee: Leo Pharma A/S
    Inventors: Erik Rytter Ottosen, Anne Marie Horneman, Xifu Liang, Søren Christian Schou, Sophie Elisabeth Havez, Thomas Peter Sabroe
  • Patent number: 7034015
    Abstract: The invention relates to a novel class of aminobenzophenones derivatives, to pharmaceutical preparations comprising said compounds, to dosage units of such preparations, to methods of treating patients comprising administering said compounds, and to the use of said compounds in the manufacture of pharmaceutical preparations.
    Type: Grant
    Filed: August 28, 2002
    Date of Patent: April 25, 2006
    Assignee: Leo Pharma A/S
    Inventors: Erik Rytter Ottosen, Anne Marie Horneman, Xifu Liang
  • Patent number: 6897236
    Abstract: The present invention relates to compounds of formula (I) wherein R1, R2 and R3 independently represent one or more, same or different substituents selected from the group consisting of hydrogen, halogen, hydroxy, mercapto, trifluoromethyl, amino, (C1-C3)alkyl, (C2-C3)olefinic group, (C1-C3)alkoxy, (C1-C3)alkylthio, (C1-C6)alkylamino, (C1-C3)alkoxycarbonyl, cyano, carbamoyl, or phenyl; R1 and R2 further represented by nitro and R3 by carboxy; R4 represents hydrogen, (C1-C3)alkyl, or allyl; Q represents a bond, or —C(R6)(R7)(—O—C?O)—, in which formula R6 and R7 independently represent hydrogen, trifluoromethyl, or (C1-C4)alkyl; Y represents either (C5-C15)alkyl, (C2-C15)olefinic group, (C3-C10)monocyclic hydrocarbon, or phenyl, any of which may be optionally substituted with one or more, same or different substituents represented by the formula R5; or (C1-C4)alkyl substituted with at least one or more substituents with the formula R5; or Y represents a group of formula —CH2—(Z—O)n—Z where Z is a (C1-C3)alkyl,
    Type: Grant
    Filed: July 11, 2000
    Date of Patent: May 24, 2005
    Assignee: Leo Pharmaceutical Products, Ltd.
    Inventors: Erik Rytter Ottosen, Heinz Wilhelm Dannacher
  • Patent number: 6750253
    Abstract: The present invention relates to compounds of the formula wherein R1 independently represents one or more, same or different substituents selected from the group consisting of halogen, hydroxy, mercapto, trifluoromethyl, amino, (C1-C3)alkyl, (C2-C3)olefinic group, (C1-C3)alkoxy, (C1-C3)alkylthio, (C1-C6)alkylamino, (C1-C3)alkoxycarbonyl, cyano, carbamoyl, phenyl and nitro, provided that when R1 represents one substituent, it is in the ortho position, and when R1 represents more than one substituent, at least one R1 substituent is in the ortho position; R2 is one substituent in the ortho position, said substituent being selected from the group consisting of hydrogen, halogen, hydroxy, mercapto, trifluoromethyl, amino, (C1-C3)alkyl, (C2-C3)olefinic group, (C1-C3)alkoxy, (C1-C3)alkylthio, (C1-C6)alkylamino, (C1-C3)alkoxycarbonyl, cyano, carbamoyl, phenyl and nitro; R3 represents hydrogen, halogen, hydroxy, mercapto, trifluoromethyl, amino, (C1-C3)alkyl, (C2-C3)olefinic group, (C1-C3)alkoxy, (C1
    Type: Grant
    Filed: February 22, 2002
    Date of Patent: June 15, 2004
    Assignee: Leo Pharmaceutical Products Ltd. A/S
    Inventor: Erik Rytter Ottosen
  • Patent number: 6646129
    Abstract: The present invention relates to hitherto unknown compounds of formula (I) or their tautomeric forms, the attachment to the pyridine ring being in the 3- or 4-position, in which formula R stands for one or more substituents which can be the same or different and are selected from the group consisting of: hydrogen, halogen, trifluoromethyl, carboxy, C1-C4 alkyl, alkoxy or alkoxycarbonyl, nitro, amino or cyano and Q stands for C5-C14 divalent hydrocarbon radical which can be straight, branched, cyclic, saturated or unsaturated and X stands for carboxy, C1-C4 alkoxycarbonyl, di(C1-C4 alkoxy)-phosphinoyloxy, amino, C1-C4 alkoxycarbonylamino or tetrahydropyranyloxy; and pharmaceutically acceptable, non-toxic salts and N-oxides thereof. The present compounds are of value in the human and veterinary practice.
    Type: Grant
    Filed: February 4, 2002
    Date of Patent: November 11, 2003
    Assignee: Leo Pharmaceutical Products Ltd. A/S
    Inventors: Charlotte Schou Hunneche, Erik Rytter Ottosen
  • Patent number: 6624199
    Abstract: The present invention relates to compounds of formula I wherein R1 represents one or more, similar or different substituents; R2 represents hydrogen, hydroxy, halogen, alkyl, alkoxy, alkylthio, or cyano; R3 represents one or more, similar or different substituents; and R6 represents hydrogen or methyl; and salts thereof with pharmaceutically acceptable acids, hydrates, and solvates, and to the use of compounds of the general formula II in which formula R1 and R2 independently represent one or more, similar or different substituents; R3 represents hydrogen, halogen, hydroxy, mercapto, trifluoromethyl, amino, alkyl, alkoxy, alkylthio, alkylamino, or alkoxycarbonyl, phenyl, cyano, carboxy, or carbamoyl; R4, R5 and R6 represent independently hydrogen, trifluoromethyl, alkyl, carbamoyl, alkoxycarbonyl, or alkaloyl; x represents oxygen, N—OH, and N—O-alkyl, dialkoxy, cyclic dialkoxy, dialkylthio, or cyclic dialkylthio, and salts thereof with pharmaceutically acceptabl
    Type: Grant
    Filed: February 22, 2002
    Date of Patent: September 23, 2003
    Assignee: Leo Pharmaceuticals Products Ltd. A/S
    Inventors: Erik Rytter Ottosen, Fredrik Björkling
  • Publication number: 20030119902
    Abstract: The invention relates to a novel class of aminobenzophenones derivatives, to pharmaceutical preparations comprising said compounds, to dosage units of such preparations, to methods of treating patients comprising administering said compounds, and to the use of said compounds in the manufacture of pharmaceutical preparations.
    Type: Application
    Filed: August 28, 2002
    Publication date: June 26, 2003
    Inventors: Erik Rytter Ottosen, Anne Marie Horneman, Xifu Liang
  • Patent number: 6566554
    Abstract: The present invention relates to a compound of general formula (I) wherein R1, R2, and R3 represents one or more, same or different substituents selected from the group consisting of halogen, hydroxy, mercapto, trifluoromethyl, amino, (C1-C3)alkyl, (C2-C3)olefinic group, (C1-C3)alkoxy, (C1-C3)akylthio, (C1-C6)alkylamino, (C1-C3)alkoxycarbonyl, cyano, —CONH2, phenyl, or nitro; further R2 can be hydrogen, and R3 can be carboxy and carbamoyl; R4 represents hydrogen, (C1-C3)alkyl, or allyl; X represents oxygen or sulphur; Q represents —(CO)—, —(CS)—, or a bond; Y represents (C5-C15)alkyl; (C2-C15)olefinic group; (C3-C10)monocyclic hydrocarbon group; or phenyl; any of which may be optionally substituted by one or more, same or different substituents selected from the group consisting of the formula R5 defined below; (C1-C4)alkyl substituted by one or more substituents selected for the group R5; or a group of the formula —(Z—O)n—Z, wherein Z is a (C1-C3)alkyl, n is an
    Type: Grant
    Filed: February 22, 2002
    Date of Patent: May 20, 2003
    Assignee: Leo Pharmaceutical Products Ltd. a/s (Lovens Kemiske Fabrik Produktionsaktieselskab)
    Inventor: Erik Rytter Ottosen
  • Patent number: 6555710
    Abstract: The present invention relates to compounds of formula (I) wherein R1 and R2 independently represent one or more, same or different substituents selected from the group consisting of halogen, hydroxy, mercapto, trifluoromethyl, amino (C1-C3)alkyl, (C2-C3)olefinic group, (C1-C3)alkoxy, (C1-C3)alkylthio, (C1-C6)alkylamino, (C1-C3)alkoxycarbonyl, cyano, carbamoyl, phenyl, or nitro; R2 further being represented by hydrogen; R3 represents hydrogen, halogen, hydroxy, mercapto, trifluoromethyl, amino, (C1-C3)alkyl, (C2-C3)olefinic group, (C1-C3)alkoxy, (C1-C3)alkylthio, (C1-C6)alkylamino, (C1-C3)alkoxycarbonyl, phenyl, cyano, carboxy or carbomoyl; R4 represents hydrogen, (C1-C3)alkyl, or allyl; X represents oxygen or sulpher; with the proviso that formula (I) does not comprise the compound 2,2,2-trifluoro-N-[2-[3-chloro-4-(2-methylbenzoyl)-phenylamino]-phenyl]acetamide wherein R1 is a 2-methyl, R2 is 2-chloro, R3 and R4 is hydrogen, and X is oxygen; and a salt thereof with a pharmaceutically accep
    Type: Grant
    Filed: March 15, 2002
    Date of Patent: April 29, 2003
    Assignee: Leo Pharmaceutical Products Ltd a/s Lovens Kemiske Fabrik Produktionsaktieselskab
    Inventor: Erik Rytter Ottosen
  • Patent number: 6541670
    Abstract: A compound of the general formula I wherein R1 represents a substituent selected from the group consisting of halogen, hydroxy, mercapto, trifluoromethyl, amino, (C1-C3)alkyl, (C2-C3)olefinic group, (C1-C3)alkoxy, (C1-C3)alkylthio, (C1-C6)alkylamino, (C1-C3)alkoxycarbonyl, cyano, —CONH2, phenyl, and nitro; R2 represents one or more, same or different substituents selected from the group consisting of hydrogen, halogen, hydroxy, mercapto, trifluoromethyl, amino, (C1-C3)alkyl, (C2-C3)olefinic group, (C1-C3)alkoxy, (C1-C3)alkylthio, (C1-C6)alkylamino, (C1-C3)alkoxycarbonyl, cyano, —CONH2, phenyl, and nitro; R3 represents one or more, same or different substituents selected from the group consisting of hydrogen, halogen, hydroxy, mercapto, trifluoromethyl, cyano, carboxy, carbamoyl, (C1-C10)alkyl, (C2-C10)olefinic group, (C3-C8)monocyclic hydrocarbon group, (C1-C10)alkoxy, (C1-C10)alkylthio, (C1-C10)alkoxycarbonyl, and phenyl; R4 represents hydrogen, (C1-C6)alkyl, (C2-C6)olefinic
    Type: Grant
    Filed: March 20, 2001
    Date of Patent: April 1, 2003
    Assignee: Leo Pharmaceutical Products Ltd. A/S
    Inventor: Erik Rytter Ottosen
  • Publication number: 20030013770
    Abstract: A compound of the general formula I 1
    Type: Application
    Filed: March 20, 2001
    Publication date: January 16, 2003
    Inventor: Erik Rytter Ottosen
  • Publication number: 20020107400
    Abstract: The present invention relates to hitherto unknown compounds of formula (I) or their tautomeric forms, 1
    Type: Application
    Filed: February 4, 2002
    Publication date: August 8, 2002
    Applicant: Leo Pharmaceutical Products Ltd. A/S
    Inventors: Charlotte Schou Hunneche, Erik Rytter Ottosen
  • Patent number: 6346520
    Abstract: The present invention relates to hitherto unknown compounds of formula (I) or their tautomeric forms, the attachment to the pyridine ring being in the 3- or 4-position, in which formula R stands for one or more substituents which can be the same or different and are selected from the group consisting of: hydrogen, halogen, trifluoromethyl, carboxy, C1-C4 alkyl, alkoxy or alkoxycarbonyl, nitro, amino or cyano and Q stands for C5-C14 divalent hydrocarbon radical which can be straight, branched, cyclic, saturated or unsaturated and X stands for carboxy, C1-C4 alkoxycarbonyl, di(C1-C4 alkoxy)phosphinoyloxy, amino, C1-C4 alkoxycarbonylamino or tetrahydropyranyloxy; and pharmaceutically acceptable, non-toxic salts and N-oxides thereof. The present compounds are of value in the human and veterinary practice.
    Type: Grant
    Filed: November 26, 1999
    Date of Patent: February 12, 2002
    Assignee: Leo Pharmaceutical Products, Ltd. A/S
    Inventors: Charlotte Schou Hunneche, Erik Rytter Ottosen
  • Patent number: 6313174
    Abstract: The compounds of the present invention are represented by general formula (I) in which formula R1 and R2 stand independently for one or more, similar or different substituents selected from the group consisting of hydrogen, halogen, hydroxy, mercapto, trifluoromethyl, amino, alkyl, alkoxy, alkylthio, alkylamino, or alkoxycarbonyl, the C-content of which can be from 1 to 5, cyano, carboxy, carbamoyl, phenyl, or nitro; R3 stands for hydrogen, halogen, hydroxy, mercapto, trifluoromethyl, amino, alkyl, alkoxy, alkylthio, alkylamino, or alkoxycarbonyl, the C-content of which can be from 1 to 5, phenyl, cyano, carboxy, or carbamoyl; R4, R5 and R6 stand independently for hydrogen, trifluoromethyl, alkyl, carbamoyl, alkoxycarbonyl, or alkyloxo, the C-content of which can be from 1 to 5; X stands for oxygen, N—OH, N—O-alkyl, dialkoxy, cyclic dialkoxy, dialkylthio, or cyclic dialkylthio, the C-content of which can be from 1 to 5.
    Type: Grant
    Filed: July 21, 1999
    Date of Patent: November 6, 2001
    Assignee: Leo Pharmaceutical Products Ltd.A/S/ (Løvens kemiske Fabrik Produktionsaktieselskab)
    Inventors: Erik Rytter Ottosen, Schneur Rachlin
  • Patent number: 6303641
    Abstract: Compounds of the following formula are used for inhibiting cell proliferation: wherein R, R1, Q, X are as defined in the specification.
    Type: Grant
    Filed: November 26, 1999
    Date of Patent: October 16, 2001
    Assignee: Leo Pharmaceuticals Products Ltd.
    Inventor: Erik Rytter Ottosen
  • Patent number: 6197797
    Abstract: The present invention relates to hitherto unknown compounds of formula (I) or their tautomeric forms, the attachment to the pyridine being in the 3- or 4-position, in which formula R1 stands for one or more substituents which can be the same or different and are selected from the group consisting of: hydrogen, halogen, trifluoromethyl nitro, amino, cyano, carboxy, or alkyl, alkoxy, or alkoxycarbonyl, the C-content of which can be from 1 to 4; X stands for a straight or branched C9-C20 carbon chain, saturated or unsaturated or Q—Ar—R; in which formula Ar stands for phenyl, Q stands for a C5-C20 divalent hydrocarbon radical which can be straight, branched, saturated or unsaturated and R stands for hydrogen or for one or more substituents which can be the same or different and are selected from the group consisting of: hydroxy, amino, halogen, trifluoromethyl, cyano, nitro, carboxy, carbamoyl, or alkyl, alkoxy, alkylthio, alkylamino, or alkoxycarbonyl, the C-content of which can be from 1 to 4; and p
    Type: Grant
    Filed: November 26, 1999
    Date of Patent: March 6, 2001
    Assignee: Leo Pharmaceutical Products Ltd. A/S (Løvens kemiske Fabrik Produktionsaktieselskab)
    Inventors: Charlotte Schou, Erik Rytter Ottosen
  • Patent number: 6121297
    Abstract: The present invention relates to hitherto unknown compounds of formula (I) or their tautomeric forms, the attachment to the pyridine ring being in the 3- or 4-position, in which formula R.sub.1 stands for one or more substituents which can be the same or different and are selected from the group consisting of: hydrogen, halogen, trifluoromethyl, carboxy, C.sub.1 -C.sub.4 alkyl, alkoxy or alkoxycarbonyl, nitro, amino or cyano and Q stands for C.sub.9 -C.sub.20 divalent hydrocarbon radical which can be saturated, straight or branched or Q stands for C.sub.4 -C.sub.20 divalent hydrocarbon radical which can be cyclic or unsaturated and X stands for oxygen, sulfur or nitrogen the latter optionally being substituted by hydrogen or C.sub.1 -C.sub.4 alkyl and R.sub.2 stands for one or more substituents which can be the same or different and are selected from the group consisting of: hydrogen, C.sub.1 -C.sub.
    Type: Grant
    Filed: November 26, 1999
    Date of Patent: September 19, 2000
    Assignee: Leo Pharmaceutical Products Ltd. A/S
    Inventor: Erik Rytter Ottosen