Patents by Inventor Michael Man-chu Lo
Michael Man-chu Lo 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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Publication number: 20120232039Abstract: A compound having the structure useful for treating hypertension, Pulmonary Arterial Hypertension (PAH), congestive heart failure, conditions resulting from excessive water retention, cardiovascular disease, diabetes, oxidative stress, endothelial dysfunction, cirrhosis, pre-eclampsia, osteoporosis or nephropathy.Type: ApplicationFiled: March 5, 2012Publication date: September 13, 2012Inventors: Amjad ALI, Michael Man-Chu Lo, Brent Whitehead, Shrenik K. Shah, Lin Yan, Timothy J. Henderson, Zack Zhiqiang Guo
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Patent number: 8252825Abstract: A compound having the structure wherein R is an angiotensin receptor antagonist active group, and Y is 1) —(CH2)3R5, 2) —C(O)(CH2)2R5, 3) —C(R1R2)OC(O)O(CH2)nR5, wherein n is 1 or 2, 4) —C(R1R2)OC(O)CH2CH2R5, 5) —C(R1R2)OC(O)OCH2CH2C(R3R4)R5, provided that when Y is —C(O)(CH2)2R5, then R is R1, R2, R3 and R4 are independently selected from the group consisting of hydrogen and C1-4 alkyl; R5 is —CH(ONO2)CH(ONO2)R6; R6 is selected from CH3, CH2CH3 and CH(CH3)2; or a pharmaceutically acceptable salt or hydrate thereof, which is useful for treating hypertension.Type: GrantFiled: November 21, 2008Date of Patent: August 28, 2012Assignees: NicOx, Merck Sharp & Dohme Corp.Inventors: Amjad Ali, Michael Man-Chu Lo, Christopher Franklin, Nicoletta Almirante, Silvia Stefanini, Laura Storoni, Stefano Biondi, Ennio Ongini
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Publication number: 20120208838Abstract: A compound having the structure (I) wherein R is selected from the group consisting of 1) and 2), or a pharmaceutically acceptable salt thereof, and methods of using the compounds for treating hypertension.Type: ApplicationFiled: October 22, 2010Publication date: August 16, 2012Inventors: Amjad Ali, Christopher Franklin, Ravi Nargund, Michael Man-Chu Lo, Lin Yan, Pei Huo
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Publication number: 20120202845Abstract: A compound having the structure formula (I) or a pharmaceutically acceptable salt thereof, and methods of using the compounds for treating hypertension.Type: ApplicationFiled: September 20, 2010Publication date: August 9, 2012Inventors: Amjad Ali, Michael Man-Chu Lo, Lin Yan
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Patent number: 8207208Abstract: A compound having the structure R—Y wherein R is, for example, Y is selected from the group consisting of 1) R5, 2) —C(R1R2)(C(R3R4))0-1Y1R5, and 3) —C(R1R2)—O—Y1R5; R1, R2, R3 and R4 are independently selected from the group consisting of hydrogen and C1-4 alkyl; R5 is Y1 is selected from the group consisting of —C(O)—O— and —P(O)(OR6)—O—; and R6 is hydrogen or CH3, or a pharmaceutically acceptable salt thereof, and methods of using the compounds for treating hypertension.Type: GrantFiled: May 6, 2009Date of Patent: June 26, 2012Assignee: Merck Sharp & Dohme Corp.Inventors: Amjad Ali, Michael Man-chu Lo, Iyassu K. Sebhat, Chris Franklin, Nicoletta Almirante, Silvia Stefanini, Stefano Biondi, Ennio Ongini
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Patent number: 8106034Abstract: A compound having the structure wherein R is an angiotensin receptor blocking group Y is —(CR1R20)1-7R5, or —C(O)(CR1R20)1-7R5; R1 and R20 are independently selected from the group consisting of hydrogen or C1-4 alkyl; R5 is —O—N?N(O)—NR3R4; and R3 and R4 are independently selected from the group consisting of —CH2CH2OH, —CH2CH2OCH3, —C1-4 alkyl, unsubstituted or substituted C1-6 alkenyl, unsubstituted or substituted morpholino, amino, unsubstituted or substituted benzyl, unsubstituted or substituted phenyl, unsubstituted or substituted arylC1-4 alkyl, or R3 and R4 together with the nitrogen atom to which they are attached, form a ring selected from the group consisting of or a stereoisomer thereof, or a pharmaceutically acceptable salt thereof, or a pharmaceutically acceptable salt of the stereoisomer thereof, which is useful for treating hypertension.Type: GrantFiled: January 29, 2009Date of Patent: January 31, 2012Assignee: Merck Sharp & Dohme Corp.Inventors: Amjad Ali, Michael Man-Chu Lo
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Patent number: 8053455Abstract: A compound having the structure wherein R is an angiotensin receptor antagonist active group, Y is selected from the group consisting of and —C(R1H)OC(O)X((CR12R13)—(CHR10)m—(CH2)n—Zp—(CH2)q—(CHR11)r—(CR16R17))—R5;??2) Z is —O— or —(CR14R15)—; m, n, p, q, and r are independently selected from the group consisting of 0 and 1; X is —O— or —(CR18R19)—; R1 is selected from the group consisting of hydrogen, C1-4 alkyl, aryl and C1-4 alkylaryl; R5 is —O—N?N(O)—R3R4; or a pharmaceutically acceptable salt or hydrate thereof, which is useful for treating hypertension.Type: GrantFiled: April 25, 2011Date of Patent: November 8, 2011Assignee: Merck Sharp & Dohme Corp.Inventors: Amjad Ali, Michael Man-Chu Lo, Christopher Franklin, Brent Whitehead
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Publication number: 20110230532Abstract: A compound having the structure wherein Y is selected from the group consisting of —C(O)OR2, —C(O)NHR8, —C(CH2)1-2OR3, OH, and or a pharmaceutically acceptable salt thereof, and methods of using the compounds for treating hypertension.Type: ApplicationFiled: July 27, 2009Publication date: September 22, 2011Inventors: Amjad Ali, Robert K. Baker, Kathleen M. Rupprecht, Michael Man-Chu Lo, Brent Whitehead
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Publication number: 20110201621Abstract: A compound having the structure wherein R is an angiotensin receptor antagonist active group, Y is selected from the group consisting of and 2) —C(R1H)OC(O)X((CR12R13)—(CHR10)m—(CH2)n—Zp—(CH2)q—(CHR11)r—(CR16R17))—R5; Z is —O— or —(CR14R15)—; m, n, p, q, and r are independently selected from the group consisting of 0 and 1; X is —O— or —(CR18R19)—; R1 is selected from the group consisting of hydrogen, C1-4 alkyl, aryl and C1-4 alkylaryl; R5 is —O—N?N(O)—NR3R4; or a pharmaceutically acceptable salt or hydrate thereof, which is useful for treating hypertension.Type: ApplicationFiled: April 25, 2011Publication date: August 18, 2011Applicant: MERCK SHARP & DOHME CORP.Inventors: Amjad ALI, Michael Man-Chu LO, Christopher FRANKLIN, Brent R. WHITEHEAD
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Patent number: 7947664Abstract: A compound having the structure wherein R is an angiotensin receptor antagonist active group, Y is selected from the group consisting of and 2) —C(R1H)OC(O)X((CR12R13)—(CHR10)m—(CH2)n—Zp—(CH2)q—(CHR11)r—(CR16R17))—R5; Z is —O— or —(CR14R15)—; m, n, p, q, and r are independently selected from the group consisting of 0 and 1; X is —O— or —(CR18R19)—; R1 is selected from the group consisting of hydrogen, C1-4 alkyl, aryl and C1-4 alkylaryl; R5 is —O—N?N(O)—NR3R4; or a pharmaceutically acceptable salt or hydrate thereof, which is useful for treating hypertension.Type: GrantFiled: January 8, 2009Date of Patent: May 24, 2011Assignee: Merck Sharp & Dohme Corp.Inventors: Amjad Ali, Michael Man-Chu Lo, Christopher Franklin, Brent R. Whitehead
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Publication number: 20110065765Abstract: A compound having the structure R—Y wherein R is, for example, Y is selected from the group consisting of 1) R5, 2) —C(R1R2)(C(R3R4))0-1Y1R5, and 3) —C(R1R2)—O—Y1R5; R1, R2, R3 and R4 are independently selected from the group consisting of hydrogen and C1-4 alkyl; R5 is Y1 is selected from the group consisting of —C(O)—O— and —P(O)(OR6)—O—; and R6 is hydrogen or CH3, or a pharmaceutically acceptable salt thereof, and methods of using the compounds for treating hypertension.Type: ApplicationFiled: May 6, 2009Publication date: March 17, 2011Inventors: Amjad Ali, Michael Man-chu Lo, Iyassu K. Sebhat, Chris Franklin, Nicoletta Almirante, Silvia Stefanini, Stefano Biondi, Ennio Ongini
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Publication number: 20110052674Abstract: New angiotensin II receptor blocker nitroderivatives of general formula (I) and pharmaceutically acceptable salts or stereoisomers thereof: and their use for treating cardiovascular, renal and chronic liver diseases, inflammatory processes and metabolic syndromes.Type: ApplicationFiled: February 19, 2009Publication date: March 3, 2011Applicants: MERCK SHARP & DOHME CORP., NICOX S.A.Inventors: Nicoletta Almirante, Alessia Nicotra, Valentino Mandelli, Stefano Biondi, Silvia Stefanini, Iyassu K. Sebhat, Michael Man-Chu Lo
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Patent number: 7880014Abstract: A compound having the structure wherein R is an angiotensin receptor antagonist active group, Y is -Y1-Y2-Y3-Y4-Y5-; Y1 is C(R1R2); R1 is selected from the group consisting of hydrogen and C1-4 alkyl; R2 is selected from the group consisting of hydrogen, C1-4 alkyl, and —OC(O)C1-4 alkyl; Y2 is O or CH2; Y3 is C(O) or CH2; Y4 is O or CH2; Y5 is —(CH2)1-2—(X)0-1—(CH2)0-1— or is absent; X is —O— or —CR3R4—; and R3 and R4 are independently selected from the group consisting of hydrogen and C1-C4 alkyl; or a pharmaceutically acceptable salt or hydrate thereof, which is useful for treating hypertension.Type: GrantFiled: December 11, 2007Date of Patent: February 1, 2011Assignees: Merck Sharp & Dohme Corp., NiCox S.A.Inventors: Iyassu K. Sebhat, Michael Man-chu Lo, Ravi P. Nargund, Amjad Ali, Chris Franklin, Nicoletta Almirante, Laura Storoni, Silvia Stefanini
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Publication number: 20100311800Abstract: The present invention relates to nitrooxyderivatives of angiotensin II receptor antagonists.Type: ApplicationFiled: February 19, 2009Publication date: December 9, 2010Inventors: Nicoletta Almirante, Alessia Nicotra, Silvia Stefanini, Stefano Biondi, Ennio Ongini, Amjad Ali, Michael Man-chu Lo
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Publication number: 20100298277Abstract: A compound having the structure wherein R is an angiotensin receptor blocking group Y is —(CR1R20)1-7R5, or —C(O)(CR1R20)1-7R5; R1 and R20 are independently selected from the group consisting of hydrogen or C1-4 alkyl; R5 is —O—N?N(O)—NR3R4; and R3 and R4 are independently selected from the group consisting of —CH2CH2OH, —CH2CH2OCH3, —C1-4 alkyl, unsubstituted or substituted C1-6 alkenyl, unsubstituted or substituted morpholino, amino, unsubstituted or substituted benzyl, unsubstituted or substituted phenyl, unsubstituted or substituted arylC1-4 alkyl, or R3 and R4 together with the nitrogen atom to which they are attached, form a ring selected from the group consisting of or a stereoisomer thereof, or a pharmaceutically acceptable salt thereof, or a pharmaceutically acceptable salt of the stereoisomer thereof, which is useful for treating hypertension.Type: ApplicationFiled: January 29, 2009Publication date: November 25, 2010Inventors: Amjad Ali, Michael Man-Chu Lo
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Publication number: 20100292192Abstract: A compound having the structure wherein R is an angiotensin receptor antagonist active group, Y is selected from the group consisting of and 2) —C(R1H)OC(O)X((CR12R13)—(CHR10)m—(CH2)n—Zp—(CH2)q—(CHR11)r—(CR16R17))—R5; Z is —O— or —(CR14R15)_; m, n, p, q, and r are independently selected from the group consisting of 0 and 1; X is —O— or —(CR18R19)—; R1 is selected from the group consisting of hydrogen, C1-4 alkyl, aryl and C1-4 alkylaryl; R5 is —O—N?N(O)—NR3R4; or a pharmaceutically acceptable salt or hydrate thereof, which is useful for treating hypertension.Type: ApplicationFiled: January 8, 2009Publication date: November 18, 2010Inventors: Amjad Ali, Michael Man-Chu Lo, Christopher Franklin, Brent R. Whitehead
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Patent number: 7834042Abstract: A compound having the structure (Formula I), wherein Y is —Y1—Y2—Y3—Y4—Y5—; Y1 is C(O) or C(R1R2); Y2 is O, C(O), P(O)(OH) or CH2, provided that when Y1 is C(O), Y2 is not C(O); R1 is selected from the group consisting of hydrogen and C1-4 alkyl; R2 is selected from the pup consisting of hydrogen, C1-4 alkyl, and —OC(O)C1-4 alkyl; Y3 is O, C(O) or CH2, provided that when Y2 is C(O), then Y3 is not C(O), and further provided that when Y2 is O, then Y3 is not O; Y4 is O or CH2 or is absent, provided that when Y3 is O, then Y4 is not O; Y5 is —(CH2)1-2—(X)0-1—(CH2)0-1— or is absent; X is —O— or —CR3R4—; and R3 and R4 are independently selected from the group consisting of hydrogen and C1-C4 alkyl; or a pharmaceutically acceptable salt thereof, which is useful for treating hypertension.Type: GrantFiled: December 11, 2007Date of Patent: November 16, 2010Assignee: Merck Sharp & Dohme Corp.Inventors: Iyassu K. Sebhat, Michael Man-chu Lo, Ravi P. Nargund, Amjad Ali
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Publication number: 20100273845Abstract: A compound having the structure wherein R is an angiotensin receptor antagonist active group, and Y is 1) —(CH2)3R5, 2) —C(O)(CH2)2R5, 3) —C(R1R2)OC(O)O(CH2)nR5, wherein n is 1 or 2, 4) —C(R1R2)OC(O)CH2CH2R5, 5) —C(R1R2)OC(O)OCH2CH2C(R3R4)R5, provided that when Y is —C(O)(CH2)2R5, then R is R1, R2, R3 and R4 are independently selected from the group consisting of hydrogen and C1-4 alkyl; R5 is —CH(ONO2)CH(ONO2)R6; R6 is selected from CH3, CH2CH3 and CH(CH3)2; or a pharmaceutically acceptable salt or hydrate thereof, which is useful for treating hypertension.Type: ApplicationFiled: November 21, 2008Publication date: October 28, 2010Inventors: Amjad Ali, Michael Man-Chu Lo, Chris Franklin, Nicoletta Almirante, Silvia Stefanini, Laura Storoni, Stefano Biondi, Ennio Ongini
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Publication number: 20100152259Abstract: A compound having the structure (Formula I), wherein R an angiotensin receptor antagonist active group, Y is Y1—Y2—Y3—Y4—Y5. Y1 is C(R1R2); R1 is selected from the group consisting of hydrogen and C1-4 alkyl; R2 is selected from the group consisting of hydrogen, C1-4 alkyl, and -0C(0)C1-4 alkyl; Y2 is O or CH2; Y3 is C(O) or CH2; Y4 is O or CH2; Y5 is —(CH2)1-2—(X)0-1—CH2)0-1— or is absent; X is —O— or —CR3R4—; and R3 and R4 are independently selected from the group consisting of hydrogen and C1-C4 alkyl; or a pharmaceutically acceptable salt or hydrate thereof, which is useful for treating hypertension.Type: ApplicationFiled: December 11, 2007Publication date: June 17, 2010Applicants: Merck & Co Inc., NICox S.A.Inventors: Iyassu K. Sebhat, Michael Man-chu Lo, Ravi P. Nargund, Amjad Ali, Chris Franklin, Nicoletta Almirante, Laura Storoni, Silvia Stefanini
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Publication number: 20100152258Abstract: A compound having the structure (Formula I), wherein Y is —Y1, —Y2, —Y3, —Y4, —Y5; Y1 is C(O) or C(R1R2); Y2 is O, C(O), P(O)(OH) or CH2, provided that when Y1 is C(O), Y2 is not C(O); R1 is selected from the group consisting of hydrogen and C1-4 alkyl; R2 is selected from the pup consisting of hydrogen, C1-4 alkyl, and —OC(O)C1-4 alkyl; Y3 is O, C(O) or CH2, provided that when Y2 is C(O), then Y3 is not C(O), and further provided that when Y2 is O, then Y3 is not O; Y4 is O or CH2 or is absent, provided that when Y3 is O, then Y4 is not O; Y5 is —(CH2)1-2—(X)0-1—(CH2)0-1— or is absent; X is —O— or —CR3R4—; and R3 and R4 are independently selected from the group consisting of hydrogen and C1-C4 alkyl; or a pharmaceutically acceptable salt thereof, which is useful for treating hypertension.Type: ApplicationFiled: December 11, 2007Publication date: June 17, 2010Applicant: Merck & Co. Inc.Inventors: lyassu K. Sebhat, Michael Man-chu Lo, Ravi P. Nargund, Amjad Ali