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).
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Patent number: 10933048Abstract: 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: GrantFiled: October 2, 2019Date of Patent: March 2, 2021Assignee: Ultupharma ABInventors: Anders Broberg, Pierre Andersson, Jolanta Levenfors, Joakim Bjerketorp, Christer Sahlberg
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Publication number: 20200138777Abstract: 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: ApplicationFiled: October 2, 2019Publication date: May 7, 2020Applicant: ULTUPHARMA ABInventors: Anders BROBERG, Pierre ANDERSSON, Jolanta LEVENFORS, Joakim BJERKETORP, Christer SAHLBERG
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Patent number: 10471043Abstract: 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: GrantFiled: December 2, 2016Date of Patent: November 12, 2019Assignee: Ultupharma ABInventors: Anders Broberg, Pierre Andersson, Jolanta Levenfors, Joakim Bjerketorp, Christer Sahlberg
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Publication number: 20180360802Abstract: 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: ApplicationFiled: December 2, 2016Publication date: December 20, 2018Applicant: ULTUPHARMA ABInventors: Anders BROBERG, Pierre ANDERSSON, Jolanta LEVENFORS, Joakim BJERKETORP, Christer SAHLBERG
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Patent number: 8143396Abstract: 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: GrantFiled: December 30, 2010Date of Patent: March 27, 2012Assignee: Medivir ABInventors: Xiao-Xiong Zhou, Christer Sahlberg
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Publication number: 20110112294Abstract: 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: ApplicationFiled: December 30, 2010Publication date: May 12, 2011Applicant: Medivir ABInventors: Xiao-Xiong ZHOU, Christer Sahlberg
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Patent number: 7915295Abstract: 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: GrantFiled: December 30, 2004Date of Patent: March 29, 2011Assignee: Medivir ABInventors: Christian Sund, Nathalie Roue, Stefan Lindstrom, Dmitry Antonov, Christer Sahlberg, Katarina Jansson
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Patent number: 7888367Abstract: 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: GrantFiled: July 5, 2006Date of Patent: February 15, 2011Assignee: Medivir ABInventors: Xiao-Xiong Zhou, Christer Sahlberg
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Patent number: 7517992Abstract: 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: GrantFiled: September 5, 2003Date of Patent: April 14, 2009Assignee: Medivir ABInventors: Dmitry Antonov, Christian Sund, Stefan Lindström, Christer Sahlberg
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Publication number: 20080221140Abstract: 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: ApplicationFiled: July 5, 2006Publication date: September 11, 2008Inventors: Xiao-Xiong Zhou, Christer Sahlberg
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Patent number: 7405310Abstract: 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: GrantFiled: March 2, 2005Date of Patent: July 29, 2008Assignee: Medivir ABInventors: Stefan Lindstrom, Christer Sahlberg, Hans Wallberg, Genaidy Kalyanov, Lourdes Salvador Oden, Lotta Naeslund
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Publication number: 20080070951Abstract: 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: ApplicationFiled: December 30, 2004Publication date: March 20, 2008Applicant: Medivir ABInventors: Christian Sund, Nathalie Roue, Stefan Lindstrom, Dmitry Antonov, Christer Sahlberg, Katarina Jansson
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Patent number: 7148243Abstract: 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: GrantFiled: September 12, 2002Date of Patent: December 12, 2006Assignee: Medivir ABInventors: Christer Sahlberg, Rolf Noreen, Marita Hogberg, Per Engelhardt
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Publication number: 20060167055Abstract: 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: ApplicationFiled: September 5, 2003Publication date: July 27, 2006Applicant: Medivir ABInventors: Dmitry Antonov, Christian Sund, Stefan Lindstrom, Christer Sahlberg
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Publication number: 20050240035Abstract: 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: ApplicationFiled: March 2, 2005Publication date: October 27, 2005Applicant: Medivir ABInventors: Stefan Lindstrom, Christer Sahlberg, Hans Wallberg, Genaidy Kalyanov, Lourdes Oden, Lotta Naeslund
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Patent number: 6894177Abstract: 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: GrantFiled: February 28, 2003Date of Patent: May 17, 2005Assignee: Medivir ABInventors: Stefan Lindström, Christer Sahlberg, Hans Wallberg, Genaidy Kalyanov, Lourdes Salvador Odén, Lotta Naeslund
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Patent number: 6716850Abstract: 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, particularType: GrantFiled: March 5, 2002Date of Patent: April 6, 2004Assignee: Medivir ABInventors: Stefan Lindström, Christer Sahlberg, Hans Wallberg, Genaidy Kalyanov, Lourdes Salvador Odén, Lotta Naeslund
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Publication number: 20030186924Abstract: A method for treatment of HBV and HIV infections comprising administering the compound or salt of formula Ig 1Type: ApplicationFiled: November 16, 2001Publication date: October 2, 2003Applicant: MEDIVIR ABInventors: Xiao-Xiong Zhou, Nils Gunnar Johansson, Horst Wahling, Christian Sund, Hans Wallberg, Lourdes Salvador, Stefan Lindstrom, Christer Sahlberg
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Publication number: 20030187266Abstract: Compounds of the formula I: 1Type: ApplicationFiled: February 28, 2003Publication date: October 2, 2003Applicant: Medivir ABInventors: Stefan Lindstrom, Christer Sahlberg, Hans Wallberg, Genaidy Kalyanov, Lourdes Salvador Oden, Lotta Naeslund
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Patent number: 6610714Abstract: 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: GrantFiled: March 5, 2002Date of Patent: August 26, 2003Assignee: Medivir ABInventors: Christer Sahlberg, Dmitry Antonov, Hans Wallberg, Rolf Noréen