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).

  • Patent number: 8367711
    Abstract: 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: Grant
    Filed: May 30, 2012
    Date of Patent: February 5, 2013
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: Amjad Ali, Michael Man-Chu Lo, Christopher Franklin, Iyassu K. Sebhat, Nicoletta Almirante, Silvia Stefanini, Stefano Biondi, Ennio Ongini
  • Publication number: 20120238608
    Abstract: 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: Application
    Filed: May 30, 2012
    Publication date: September 20, 2012
    Applicant: Merck Sharp & Dohme
    Inventors: Amjad Ali, Michael Man-chu Lo, Iyassu K. Sebhat, Chris Franklin, Nicoletta Almirante, Silvia Stefanini, Stefano Biondi, Ennio Ongini
  • Patent number: 8252825
    Abstract: 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: Grant
    Filed: November 21, 2008
    Date of Patent: August 28, 2012
    Assignees: NicOx, Merck Sharp & Dohme Corp.
    Inventors: Amjad Ali, Michael Man-Chu Lo, Christopher Franklin, Nicoletta Almirante, Silvia Stefanini, Laura Storoni, Stefano Biondi, Ennio Ongini
  • Patent number: 8207208
    Abstract: 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: Grant
    Filed: May 6, 2009
    Date of Patent: June 26, 2012
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: Amjad Ali, Michael Man-chu Lo, Iyassu K. Sebhat, Chris Franklin, Nicoletta Almirante, Silvia Stefanini, Stefano Biondi, Ennio Ongini
  • Patent number: 8003811
    Abstract: 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: Grant
    Filed: January 15, 2009
    Date of Patent: August 23, 2011
    Assignee: Nicox S.A.
    Inventors: Nicoletta Almirante, Silvia Stefanini, Laura Storoni, Fabio Nicoli, Julio Lazaro Padron, Stefano Biondi
  • Publication number: 20110077279
    Abstract: 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: Application
    Filed: May 18, 2009
    Publication date: March 31, 2011
    Inventors: Nicoletta Almirante, Massimiliano Ferrario, Silvia Stefanini, Stefano Biondi, Ennio Ongini
  • Publication number: 20110065765
    Abstract: 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: Application
    Filed: May 6, 2009
    Publication date: March 17, 2011
    Inventors: Amjad Ali, Michael Man-chu Lo, Iyassu K. Sebhat, Chris Franklin, Nicoletta Almirante, Silvia Stefanini, Stefano Biondi, Ennio Ongini
  • Publication number: 20110052674
    Abstract: 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: Application
    Filed: February 19, 2009
    Publication date: March 3, 2011
    Applicants: 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
  • Patent number: 7880014
    Abstract: 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: Grant
    Filed: December 11, 2007
    Date of Patent: February 1, 2011
    Assignees: 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
  • Publication number: 20100311800
    Abstract: The present invention relates to nitrooxyderivatives of angiotensin II receptor antagonists.
    Type: Application
    Filed: February 19, 2009
    Publication date: December 9, 2010
    Inventors: Nicoletta Almirante, Alessia Nicotra, Silvia Stefanini, Stefano Biondi, Ennio Ongini, Amjad Ali, Michael Man-chu Lo
  • Publication number: 20100273845
    Abstract: 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: Application
    Filed: November 21, 2008
    Publication date: October 28, 2010
    Inventors: Amjad Ali, Michael Man-Chu Lo, Chris Franklin, Nicoletta Almirante, Silvia Stefanini, Laura Storoni, Stefano Biondi, Ennio Ongini
  • Publication number: 20100249189
    Abstract: 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: Application
    Filed: January 15, 2009
    Publication date: September 30, 2010
    Applicant: NICOX S.A.
    Inventors: Nicoletta Almirante, Silvia Stefanini, Laura Storoni, Fabio Nicoli, Julio Lazaro Padron
  • Publication number: 20100152259
    Abstract: 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: Application
    Filed: December 11, 2007
    Publication date: June 17, 2010
    Applicants: 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
  • Publication number: 20080194660
    Abstract: 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: Application
    Filed: December 11, 2007
    Publication date: August 14, 2008
    Inventors: Iyassu K. Sebhat, Michael Man-chu Lo, Ravi P. Nargund, Amjad Ali, Chris Franklin, Nicoletta Almirante, Laura Storoni, Silvia Stefanini