Patents by Inventor Christer Sahlberg

Christer Sahlberg 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: 10933048
    Abstract: The invention relates to compounds of Formula I, wherein the variables are as defined in the claims, which are useful in the treatment and/or prevention of bacterial infections in a subject. The invention further relates to the use of a compound of Formula I in the manufacture of a medicament, and medical devices when used in a method of treating or preventing a bacterial infection in a subject, and related aspects.
    Type: Grant
    Filed: October 2, 2019
    Date of Patent: March 2, 2021
    Assignee: Ultupharma AB
    Inventors: Anders Broberg, Pierre Andersson, Jolanta Levenfors, Joakim Bjerketorp, Christer Sahlberg
  • Publication number: 20200138777
    Abstract: The invention relates to compounds of Formula I, wherein the variables are as defined in the claims, which are useful in the treatment and/or prevention of bacterial infections in a subject. The invention further relates to the use of a compound of Formula I in the manufacture of a medicament, and medical devices when used in a method of treating or preventing a bacterial infection in a subject, and related aspects.
    Type: Application
    Filed: October 2, 2019
    Publication date: May 7, 2020
    Applicant: ULTUPHARMA AB
    Inventors: Anders BROBERG, Pierre ANDERSSON, Jolanta LEVENFORS, Joakim BJERKETORP, Christer SAHLBERG
  • Patent number: 10471043
    Abstract: The invention relates to compounds of Formula (I), wherein the variables are as defined in the claims, which are useful in the treatment and/or prevention of bacterial infections in a subject. The invention further relates to the use of a compound of Formula (I) in the manufacture of a medicament, and medical devices when used in a method of treating or preventing a bacterial infection in a subject, and related aspects.
    Type: Grant
    Filed: December 2, 2016
    Date of Patent: November 12, 2019
    Assignee: Ultupharma AB
    Inventors: Anders Broberg, Pierre Andersson, Jolanta Levenfors, Joakim Bjerketorp, Christer Sahlberg
  • Publication number: 20180360802
    Abstract: The invention relates to compounds of Formula (I), wherein the variables are as defined in the claims, which are useful in the treatment and/or prevention of bacterial infections in a subject. The invention further relates to the use of a compound of Formula (I) in the manufacture of a medicament, and medical devices when used in a method of treating or preventing a bacterial infection in a subject, and related aspects.
    Type: Application
    Filed: December 2, 2016
    Publication date: December 20, 2018
    Applicant: ULTUPHARMA AB
    Inventors: Anders BROBERG, Pierre ANDERSSON, Jolanta LEVENFORS, Joakim BJERKETORP, Christer SAHLBERG
  • Patent number: 8143396
    Abstract: Novel bicyclic tetrahydrofuran compounds and derivatives, and pharmaceutically acceptable salts thereof, according to the formula: These compounds have utility in the treatment of retroviruses such as HIV, especially reverse transcriptase mutant which allow an obligate chain terminating nucleoside- or nucleotide-phosphate to be excised from the nascent DNA strand by ATP or pyrophosphate-mediated excision.
    Type: Grant
    Filed: December 30, 2010
    Date of Patent: March 27, 2012
    Assignee: Medivir AB
    Inventors: Xiao-Xiong Zhou, Christer Sahlberg
  • Publication number: 20110112294
    Abstract: Compounds of the formula I wherein: R1 is independently H, —OR3, —NHR4; C1-C4 alkyl; or, when n is 2, adjacent R1 together define an olefinic bond; R2 is H; or when the gem R1 is C1-C4 alkyl, that R2 may also be C1-C4 alkyl; or when the gem R1 is —OR3, that R2 may also be —C(?O)OH or a pharmaceutically acceptable ester thereof; R3 is independently H, or a pharmaceutically acceptable ester thereof; R4 is independently H or a pharmaceutically acceptable amide thereof; R5 and R6 are H or an amine prodrug moiety n is 1, 2 or 3; and pharmaceutically acceptable salts thereof; have utility in the treatment or prophylaxis of HIV, especially reverse transcriptase mutants which allow an obligate chain terminating nucleoside- or nucleotide phosphate to be excised from the nascent DNA strand by ATP- or pyrophosphate-mediated excision.
    Type: Application
    Filed: December 30, 2010
    Publication date: May 12, 2011
    Applicant: Medivir AB
    Inventors: Xiao-Xiong ZHOU, Christer Sahlberg
  • Patent number: 7915295
    Abstract: Compounds of the formula Z: where; A is CH or N; R1 is a substituent to a carbon atom in the ring containing A selected from —S(?O)pRa, where Ra is —C1-C4 alkyl, —ORx, —NRxRx, —NHNRxRx, —NHNHC(?O)ORx, —NRxOH; —C(?O)—Rb, where Rb is —CT-C4-alkyl, ORx, —NRxRx, —NHNRxRx, —NHC1-C3-alkyl-C(?O)Orx —NRxRc, where Rc is H, C1-C4 alkyl, —NRxRx; —C(=0)Rd, —CN, S(?O)pRx, where Rd is Rd is C1-C4-alkyl, —ORx, —NRxRx C1-C3-alkyl-O—C1-C3-alkylC(?O)ORx, —C1-C3-alkyl-COORx; —C1-C3alkyl-OH or C1-C4 alkyl ethers or esters thereof (O—C1-C3alkyl)q-O—Rx a 5 or 6 membered aromatic ring having 1-3 hetero atoms p is 1 or 2; Rx is independently selected from H, C1-C4 alkyl or acetyl; or a pair of Rx can together with the adjacent N atom form a ring; L is -0-, —S(?O)—, or —CH2—, where r is 0, 1 or 2; R3-R7 are substituents as defined in the specification; X is —(CR8R8?)n-D-(CR8R8?)m-; D is a bond, —NR9—, -0-, —S—, —S(=0)- or —S(=0)2-; and pharmaceutically acceptable salts and prodrugs thereof, have utility as HIV antivirals.
    Type: Grant
    Filed: December 30, 2004
    Date of Patent: March 29, 2011
    Assignee: Medivir AB
    Inventors: Christian Sund, Nathalie Roue, Stefan Lindstrom, Dmitry Antonov, Christer Sahlberg, Katarina Jansson
  • Patent number: 7888367
    Abstract: Compounds of the formula (I) wherein: R1 is independently H1—OR3, —NHR4; C1-C4 alkyl; or, when n is 2, adjacent R1 together define an olefinic bond; R2 is H; or when the gem R1 is C1-C4 alkyl, that R2 may also be C1-C4 alkyl; or when the gem R1 is —OR3, that R2 may also be —C(?O)OH or a pharmaceutically acceptable ester thereof; R3 is independently H, or a pharmaceutically acceptable ester thereof; R4 is independently H or a pharmaceutically acceptable amide thereof; R5 and R6 are H or an amine prodrug moiety n is 1, 2 or 3; and pharmaceutically acceptable salts thereof; have utility in the treatment or prophylaxis of HIV, especially reverse transcriptase mutants which allow an obligate chain terminating nucleoside- or nucleotide phosphate to be excised from the nascent DNA strand by ATP- or pyrophosphate-mediated excision.
    Type: Grant
    Filed: July 5, 2006
    Date of Patent: February 15, 2011
    Assignee: Medivir AB
    Inventors: Xiao-Xiong Zhou, Christer Sahlberg
  • Patent number: 7517992
    Abstract: A compound of the formula (Y): where; R1 is O, S; R2 is a nitrogen-containing heterocycle; R3 is H, C1-C3 alkyl; X is —(CR8R8?)n-D-(CR8R8?)m—; D is a bond, —NR9—, —O—, —S—, —S(?O)— or —S(?O)2—; n and m are independently 0, 1 or 2, R8 and R8? are independently H, C1-C3 alkyl, haloC1-C3alkyl, hydroxy, or R8 and R8? together with their adjacent C atom is —C(?O)—; R9 is independently H, C1-C3 alkyl; E is CH2—, —CHOH—, —C(?O)—, —NR9—, —O—, —S—, —S(?O)2—; n and m are independently 0, 1 or 2; p and q are independently 0, 1 or 2, where p+q?2; R10 is an optionally substituted carbocycle or heterocycle; R11 is independently H, C1-C3 alkyl, halo substituted C1-C3alkyl, hydroxy; have utility as HIV antivirals.
    Type: Grant
    Filed: September 5, 2003
    Date of Patent: April 14, 2009
    Assignee: Medivir AB
    Inventors: Dmitry Antonov, Christian Sund, Stefan Lindström, Christer Sahlberg
  • Publication number: 20080221140
    Abstract: Compounds of the formula (I) wherein: R1 is independently H1—OR3, —NHR4; C1-C4 alkyl; or, when n is 2, adjacent R1 together define an olefinic bond; R2 is H; or when the gem R1 is C1-C4 alkyl, that R2 may also be C1-C4 alkyl; or when the gem R1 is —OR3, that R2 may also be —C(?O)OH or a pharmaceutically acceptable ester thereof; R3 is independently H, or a pharmaceutically acceptable ester thereof; R4 is independently H or a pharmaceutically acceptable amide thereof; R5 and R6 are H or an amine prodrug moiety n is 1, 2 or 3; and pharmaceutically acceptable salts thereof; have utility in the treatment or prophylaxis of HIV, especially reverse transcriptase mutants which allow an obligate chain terminating nucleoside- or nucleotide phosphate to be excised from the nascent DNA strand by ATP- or pyrophosphate-mediated excision.
    Type: Application
    Filed: July 5, 2006
    Publication date: September 11, 2008
    Inventors: Xiao-Xiong Zhou, Christer Sahlberg
  • Patent number: 7405310
    Abstract: This invention relates to non-nucleoside reverse transcriptase inhibitors active against HIV-1 and having an improved resistance and pharmacokinetic profile. The invention further relates to novel intermediates in the synthesis of such compounds and the use of the compounds in antiviral methods and compositions.
    Type: Grant
    Filed: March 2, 2005
    Date of Patent: July 29, 2008
    Assignee: Medivir AB
    Inventors: Stefan Lindstrom, Christer Sahlberg, Hans Wallberg, Genaidy Kalyanov, Lourdes Salvador Oden, Lotta Naeslund
  • Publication number: 20080070951
    Abstract: Compounds of the formula Z: where; A is CH or N; R1 is a substituent to a carbon atom in the ring containing A selected from —S(?O)pRa, where Ra is —C1-C4 alkyl, —ORx, —NRxRx, —NHNRxRx, —NHNHC(?O)ORx, —NRxOH; —C(?O)—Rb, where Rb is —CT-C4-alkyl, ORx, —NRxRx, —NHNRxRx, —NHC1-C3-alkyl-C(?O)Orx —NRxRc, where Rc is H, C1-C4 alkyl, —NRxRx; —C(=0)Rd, —CN, S(?O)pRx, where Rd is Rd is C1-C4-alkyl, —ORx, —NRxRx C1-C3-alkyl-O—C1-C3-alkylC(?O)ORx, —C1-C3-alkyl-COORx; —C1-C3alkyl-OH or C1-C4 alkyl ethers or esters thereof (O—C1-C3alkyl)q-O—Rx a 5 or 6 membered aromatic ring having 1-3 hetero atoms p is 1 or 2; Rx is independently selected from H, C1-C4 alkyl or acetyl; or a pair of Rx can together with the adjacent N atom form a ring; L is —O —, —S(?O)—, or —CH2—, where r is 0, 1 or 2; R3-R7 are substituents as defined in the specification; X is —(CR8R8?)n-D-(CR8R8?)m-; D is a bond, —NR9—, —O—, —S—, —S(=0)- or —S(=0)2-; and pharmaceutically acceptable salts and prodrugs thereof, have utility as HIV antivirals.
    Type: Application
    Filed: December 30, 2004
    Publication date: March 20, 2008
    Applicant: Medivir AB
    Inventors: Christian Sund, Nathalie Roue, Stefan Lindstrom, Dmitry Antonov, Christer Sahlberg, Katarina Jansson
  • Patent number: 7148243
    Abstract: Compounds of the formula I: wherein Rx is cyano or bromo; R1 is halo; R2 is C114 C3 alkyl, and pharmaceutically acceptable salts and prodrugs thereof have activity as antiretrovirals.
    Type: Grant
    Filed: September 12, 2002
    Date of Patent: December 12, 2006
    Assignee: Medivir AB
    Inventors: Christer Sahlberg, Rolf Noreen, Marita Hogberg, Per Engelhardt
  • Publication number: 20060167055
    Abstract: A compound of the formula (Y): where; R1 is O, S; R2 is a nitrogen-containing heterocycle; R3 is H, C1-C3 alkyl; X is —(C8R8)n-D-(C8C8?)m—; D is a bond, —NR9—, —O—, —S—, —S(?O)— or —S(?O)2; n and m are independently 0, 1 or 2, R8 and R8? are independently H, C1-C3 alkyl, haloC1-C3alkyl, hydroxy, or R8 and R8? together with their adjacent C atom is —C(?O)—; R9 is independently H, C1-C3 alkyl; E is CH2—, —CHOH—, —C(?O)—, —NR9—, —O—, —S—, —S(?O)2—; n and m are independently 0, 1 or 2; p and q are independently 0, 1 or 2, where p+q?2; R10 is an optionally substituted carbocycle or heterocycle; R11 is independently H, C1-C3 alkyl, halo substituted C1-C3alkyl, hydroxy; have utility as HIV antivirals.
    Type: Application
    Filed: September 5, 2003
    Publication date: July 27, 2006
    Applicant: Medivir AB
    Inventors: Dmitry Antonov, Christian Sund, Stefan Lindstrom, Christer Sahlberg
  • Publication number: 20050240035
    Abstract: This invention relates to non-nucleoside reverse transcriptase inhibitors active against HIV-1 and having an improved resistance and pharmacokinetic profile. The invention further relates to novel intermediates in the synthesis of such compounds and the use of the compounds in antiviral methods and compositions.
    Type: Application
    Filed: March 2, 2005
    Publication date: October 27, 2005
    Applicant: Medivir AB
    Inventors: Stefan Lindstrom, Christer Sahlberg, Hans Wallberg, Genaidy Kalyanov, Lourdes Oden, Lotta Naeslund
  • Patent number: 6894177
    Abstract: Compounds of the formula I: where; R1 is O, S; R2 is an optionally substituted nitrogen-containing heterocycle, wherein the nitrogen is located at the 2 position relative to the (thio)urea bond; R3 is H, C1-C3 alkyl, R4-R7 are independently selected from H, C1-C6 alkyl, C2-C6 alkenyl, C2-C6 alkynyl, haloC1-C6 alkyl, C1-C6 alkanoyl, haloC1-C6 alkanoyl, C1-C6 alkoxy, haloC1-C6 alkoxy, C1-C6 alkyloxy-C1-C6 alkyl, haloC1-C6 alkyloxy-C1-C6 alkyl hydroxy-C1-C6 alkyl, amino-C1-C6 alkyl, carboxy-C1-C6 alkyl, cyano-C1-C6 alkyl, amino, carboxy, carbamoyl, cyano, halo, hydroxy, keto; X is —(CH2)n?—D—(CH2)m—; D is —O—, —S—; n and m are independently 0 or 1; and prodrugs and pharmaceutically acceptable salts thereof, have utility as inhibitors of HIV-1 reverse transcriptase, particularly drug escape mutants.
    Type: Grant
    Filed: February 28, 2003
    Date of Patent: May 17, 2005
    Assignee: Medivir AB
    Inventors: Stefan Lindström, Christer Sahlberg, Hans Wallberg, Genaidy Kalyanov, Lourdes Salvador Odén, Lotta Naeslund
  • Patent number: 6716850
    Abstract: Compounds of the formula I: where; R1 is O, S; R2 is an optionally substituted nitrogen-containing heterocycle, wherein the nitrogen is located at the 2 position relative to the (thio)urea bond; R3 is H, C1-C3 alkyl, R4-R7 are independently selected from H, C1-C6 alkyl, C2-C6 alkenyl, C2-C6 alkynyl, haloC1-C6 alkyl, C1-C6 alkanoyl, haloC1-C6 alkanoyl, C1-C6 alkoxy, haloC1-C6 alkoxy, C1-C6 alkyloxy-C1-C6 alkyl, haloC1-C6 alkyloxy-C1-C6 alkyl hydroxy-C1-C6 alkyl, amino-C1-C6 alkyl, carboxy-C1-C6 alkyl, cyano-C1-C6 alkyl, amino, carboxy, carbamoyl, cyano, halo, hydroxy, keto; X is —(CHR8)n-—D—(CHR8)m—; D is —NR9—, —O—, —S—, —S(═O)— or —S(═O)2—; R8 is independently H, C1-C3 alkyl, halo substitutedC1-C3alkyl; R9 is H, C1-C3 alkyl; n and m are independently 0, 1 or 2; and prodrugs and pharmaceutically acceptable salts thereof, have utility as inhibitors of HIV-1 reverse transcriptase, particular
    Type: Grant
    Filed: March 5, 2002
    Date of Patent: April 6, 2004
    Assignee: Medivir AB
    Inventors: Stefan Lindström, Christer Sahlberg, Hans Wallberg, Genaidy Kalyanov, Lourdes Salvador Odén, Lotta Naeslund
  • Publication number: 20030186924
    Abstract: A method for treatment of HBV and HIV infections comprising administering the compound or salt of formula Ig 1
    Type: Application
    Filed: November 16, 2001
    Publication date: October 2, 2003
    Applicant: MEDIVIR AB
    Inventors: Xiao-Xiong Zhou, Nils Gunnar Johansson, Horst Wahling, Christian Sund, Hans Wallberg, Lourdes Salvador, Stefan Lindstrom, Christer Sahlberg
  • Publication number: 20030187266
    Abstract: Compounds of the formula I: 1
    Type: Application
    Filed: February 28, 2003
    Publication date: October 2, 2003
    Applicant: Medivir AB
    Inventors: Stefan Lindstrom, Christer Sahlberg, Hans Wallberg, Genaidy Kalyanov, Lourdes Salvador Oden, Lotta Naeslund
  • Patent number: 6610714
    Abstract: Compounds of the formula I: where; R1 is O, S; R2 is an optionally substituted nitrogen-containing heterocycle, wherein the nitrogen is located at the 2 position relative to the (thio)urea bond; R3 is H, C1-C3 alkyl, R4-R7 are independently selected from H, C1-C6 alkyl, C2-C6 alkenyl, C2-C6 alkynyl, haloC1-C6 alkyl, C1-C6 alkanoyl, haloC1-C6 alkanoyl, C1-C6 alkoxy, haloC1-C6 alkoxy, C1-C6 alkyloxy-C1-C6 alkyl, haloC1-C6 alkyloxy-C1-C6 alkyl hydroxy-C1-C6 alkyl, amino-C1-C6 alkyl, carboxy-C1-C6 alkyl, cyano-C1-C6 alkyl, amino, carboxy, carbamoyl, cyano, halo, hydroxy, keto; X is —(CR8R9)n— R8 and R9 are independently H, C1-C3 alkyl, OH or R8 and R9 together are ═O n is 1, 2 or 3 and prodrugs and pharmaceutically acceptable salts thereof, have utility as inhibitors of HIV-1 reverse transcriptase, particularly drug escape mutants.
    Type: Grant
    Filed: March 5, 2002
    Date of Patent: August 26, 2003
    Assignee: Medivir AB
    Inventors: Christer Sahlberg, Dmitry Antonov, Hans Wallberg, Rolf Noréen