Patents by Inventor Silvia Stefanini
Silvia Stefanini 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: 8367711Abstract: A compound having the structure 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 30, 2012Date of Patent: February 5, 2013Assignee: Merck Sharp & Dohme Corp.Inventors: Amjad Ali, Michael Man-Chu Lo, Christopher Franklin, Iyassu K. Sebhat, Nicoletta Almirante, Silvia Stefanini, Stefano Biondi, Ennio Ongini
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Publication number: 20120238608Abstract: A compound having the structure 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 30, 2012Publication date: September 20, 2012Applicant: Merck Sharp & DohmeInventors: 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: 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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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: 8003811Abstract: The invention relates to nitric oxide donors of the formula (I) and pharmaceutically acceptable salts or stereoisomers thereof: wherein A and A? are independently selected from the group consisting of H and —(X)s—Y with the proviso that at least one of A or A? is not H; wherein s is 0 or 1; X is selected from the group consisting of: —CO—, —COO—, —CONH— and —SO2— or Y is straight or branched C1-C20 alkyl chain, preferably C1-C10 alkyl chain, substituted with one or two —ONO2; or C1-C6 alkylenoxy-C1-C5 alkyl wherein the alkyl group is substituted by one or two —ONO2 groups. The invention also provides novel compositions comprising at least one compound of the invention and at least one therapeutic agent.Type: GrantFiled: January 15, 2009Date of Patent: August 23, 2011Assignee: Nicox S.A.Inventors: Nicoletta Almirante, Silvia Stefanini, Laura Storoni, Fabio Nicoli, Julio Lazaro Padron, Stefano Biondi
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Publication number: 20110077279Abstract: A compound having the structure wherein R is an angiotensin II receptor antagonist selected from the group consisting of (IIa)-(IIh); A is wherein R1 and R2 are independently selected from the group consisting of hydrogen and C1-4 alkyl. Y is X0—Z wherein X0 is selected from the group consisting of: —O—, —O—CO—, —OCOO—, —OCONH— and —OSO2—; Z is a nitric oxide releasing moiety, or a pharmaceutically acceptable salt thereof.Type: ApplicationFiled: May 18, 2009Publication date: March 31, 2011Inventors: Nicoletta Almirante, Massimiliano Ferrario, Silvia Stefanini, Stefano Biondi, Ennio Ongini
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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: 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: 20100249189Abstract: The invention relates to nitric oxide donors of the formula (I) and pharmaceutically acceptable salts or stereoisomers thereof: wherein A and A? are independently selected from the group consisting of H and —(X)S—Y with the proviso that at least one of A or A? is not H; wherein s is 0 or 1; X is selected from the group consisting of: —CO—, —COO—, —CONH— and —SO2— or Y is straight or branched C1-C20 alkyl chain, preferably C1-C10 alkyl chain, substituted with one or two —ONO2; or C1-C6 alkylenoxy-C1-C5 alkyl wherein the alkyl group is substituted by one or two —ONO2 groups. The invention also provides novel compositions comprising at least one compound of the invention and at least one therapeutic agent.Type: ApplicationFiled: January 15, 2009Publication date: September 30, 2010Applicant: NICOX S.A.Inventors: Nicoletta Almirante, Silvia Stefanini, Laura Storoni, Fabio Nicoli, Julio Lazaro Padron
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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: 20080194660Abstract: 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: ApplicationFiled: December 11, 2007Publication date: August 14, 2008Inventors: Iyassu K. Sebhat, Michael Man-chu Lo, Ravi P. Nargund, Amjad Ali, Chris Franklin, Nicoletta Almirante, Laura Storoni, Silvia Stefanini