Patents by Inventor Frances C. Nelson

Frances C. Nelson 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).

  • Publication number: 20020188132
    Abstract: Compounds of the formula: 1
    Type: Application
    Filed: December 4, 2000
    Publication date: December 12, 2002
    Inventors: Jeremy I. Levin, James M. Chen, Frances C. Nelson
  • Patent number: 6200996
    Abstract: Compounds of the formula: are useful in treating disease conditions mediated by TNF-&agr; such as rheumatoid arthritis, osteoarthritis, sepsis, AIDS, ulcerative colitis, multiple sclerosis, Crohn's disease and degenerative cartilage loss.
    Type: Grant
    Filed: January 27, 2000
    Date of Patent: March 13, 2001
    Assignee: American Cyanamid Company
    Inventors: Jeremy I. Levin, James M. Chen, Frances C. Nelson
  • Patent number: 6057340
    Abstract: This invention provides compounds of Formula 1 having the structure ##STR1## wherein: R.sub.1 is hydrogen, alkyl of 1-6 carbon atoms, alkoxy of 1-6 carbon atoms, benzyloxy, trifluoromethyl, chloro, bromo, or fluoro;a dashed line indicates an optional bond,X is NR.sub.4, or no atom;R.sub.2 is alkyl of 1-6 carbon atoms, cycloalkyl of 3-8 carbon atoms, cycloalkylalkyl wherein the cycloalkyl moiety is 3-8 carbon atoms and the alkyl moiety is 1-6 carbon atoms, aryl of 5-12 carbon atoms, or arylalkyl of 6-12 carbon atoms;R.sub.3 is aryl of 5-12 carbon atoms, arylalkyl of 6-12 carbon atoms, or heteroaryl of 5-12 atoms;R.sub.4 is hydrogen or alkyl of 1-6 carbon atoms;or a pharmaceutically acceptable salt thereof, which are useful in the treatment of psychosis (e.g. schizophrenia), anxiety, depression and related CNS disorders and other conditions such as the treatment of alcohol and drug withdrawal, sexual dysfunction and memory deficits associated with Alzheimer's disease and other dementias.
    Type: Grant
    Filed: February 3, 1999
    Date of Patent: May 2, 2000
    Assignee: American Home Products Corporation
    Inventors: Michael G. Kelly, Lynne P. Greenblatt, Frances C. Nelson
  • Patent number: 5559122
    Abstract: A compound of the structure ##STR1## wherein R and R.sup.1 are each, independently, ##STR2## or hydrogen; R.sup.2 and R.sup.3 are each, independently, alkyl, arylalkyl, or R.sup.2 and R.sup.3 may be taken together to form a cycloalkyl ring;R.sup.4 is a heterocyclic N-oxide radical, which may be optionally substituted;R.sup.5 is alkyl or arylalkyl;R.sup.6 and R.sup.7 are taken together to form a saturated N-alkyl-heterocyclic N-oxide, which may be optionally substituted;k=0-1,m=0-1;n=1-6;with the proviso that R and R.sup.1 are not both hydrogen, which is useful as an immunosuppressive, antiinflammatory, antifungal, antiproliferative, and antitumor agent.
    Type: Grant
    Filed: May 24, 1995
    Date of Patent: September 24, 1996
    Assignee: American Home Products Corporation
    Inventors: Frances C. Nelson, Guy A. Schiehser
  • Patent number: 5521194
    Abstract: A compound of the structure ##STR1## wherein R and R.sup.1 are each independently, ##STR2## or hydrogen; R.sup.2 and R.sup.3 are each, independently, alkyl, arylalkyl, or R.sup.2 and R.sup.3 may be taken together to form a cycloalkyl ring;R.sup.4 is a heterocyclic N-oxide radical, which may be optionally substituted;R.sup.5 is alkyl or arylalkyl;R.sup.6 and R.sup.7 are taken together to form a saturated N-alkyl-heterocyclic N-oxide, which may be optionally substituted;k=0-1,m=0-1;n=1-6;with the proviso that R and R.sup.1 are not both hydrogen, which is useful as an immunosuppressive, antiinflammatory, antifungal, antiproliferative, and antitumor agent.
    Type: Grant
    Filed: May 24, 1995
    Date of Patent: May 28, 1996
    Assignee: American Home Products Corporation
    Inventors: Frances C. Nelson, Guy A. Schiehser
  • Patent number: 5508285
    Abstract: A compound of the structure ##STR1## wherein R and R.sup.1 are each, independently, ##STR2## or hydrogen; R.sup.2 and R.sup.3 are each, independently, alkyl, arylalkyl , or R.sup.2 and R.sup.3 may be taken together to form a cycloalkyl ring;R.sup.4 is a heterocyclic N-oxide radical, which may be optionally substituted;R.sup.5 is alkyl or arylalkyl;R.sup.6 and R.sup.7 are taken together to form a saturated N-alkyl-heterocyclic N-oxide, which may be optionally substituted;k=0-1,m=0-1;n=1-6;with the proviso that R and R.sup.1 are not both hydrogen, which is useful as an immunosuppressive, antiinflammatory, antifungal, antiproliferative, and antitumor agent.
    Type: Grant
    Filed: May 24, 1995
    Date of Patent: April 16, 1996
    Assignee: American Home Products Corporation
    Inventors: Frances C. Nelson, Guy A. Schiehser
  • Patent number: 5508290
    Abstract: A compound of the structure ##STR1## wherein R and R.sup.1 are each, independently, ##STR2## or hydrogen; R.sup.2 and R.sup.3 are each, independently, alkyl, arylalkyl , or R.sup.2 and R.sup.3 may be taken together to form a cycloalkyl ring;R.sup.4 is a heterocyclic N-oxide radical, which may be optionally substituted;R.sup.5 is alkyl or arylalkyl;R.sup.6 and R.sup.7 are taken together to form a saturated N-alkyl-heterocyclic N-oxide, which may be optionally substituted;k=0-1,m=0-1;n=1-6;with the proviso that R and R.sup.1 are not both hydrogen, which is useful as an immunosuppressive, antiinflammatory, antifungal, antiproliferative, and antitumor agent.
    Type: Grant
    Filed: May 24, 1995
    Date of Patent: April 16, 1996
    Assignee: American Home Products Corporation
    Inventors: Frances C. Nelson, Guy A. Schiehser
  • Patent number: 5491231
    Abstract: A compound of the structure ##STR1## wherein R and R.sup.1 are each, independently, ##STR2## or hydrogen; R.sup.2 and R.sup.3 are each, independently, alkyl, arylalkyl , or R.sup.2 and R.sup.3 may be taken together to form a cycloalkyl ring;R.sup.4 is a heterocyclic N-oxide radical, which may be optionally substituted;R.sup.5 is alkyl or arylalkyl;R.sup.6 and R.sup.7 are taken together to form a saturated N-alkyl-heterocyclic N-oxide, which may be optionally substituted;k=0-1,m=0-1;n=1-6;with the proviso that R and R.sup.1 are not both hydrogen, which is useful as an immunosuppressive, antiinflammatory, antifungal, antiproliferative, and antitumor agent.
    Type: Grant
    Filed: November 28, 1994
    Date of Patent: February 13, 1996
    Assignee: American Home Products Corporation
    Inventors: Frances C. Nelson, Guy A. Schiehser
  • Patent number: 5387680
    Abstract: This invention provides C-22 substituted rapamycin derivatives of the following formulas: ##STR1## and pharmaceutically acceptable salts thereof which are useful for inducing immunosuppression and treating transplantation rejection, host vs. graft disease, autoimmune diseases, diseases of inflammation, solid tumors, fungal infections, adult T-cell leukemia/lymphomas and hyperproliferative vascular disorders.
    Type: Grant
    Filed: August 10, 1993
    Date of Patent: February 7, 1995
    Assignee: American Home Products Corporation
    Inventor: Frances C. Nelson
  • Patent number: 5385908
    Abstract: A compound of the structure ##STR1## wherein R and R.sup.1 are each, independently, ##STR2## or hydrogen; R.sup.2 and R.sup.3 are each, independently, alkyl, arylalkyl, or R.sup.2 and R.sup.3 may be taken together to form a cycloalkyl ring;R.sup.4 is a heterocyclic radical which may be optionally substituted;R.sup.5 is alkyl or arylalkyl;R.sup.6 and R.sup.7 are taken together to form a saturated heterocyclic ring which may be optionally substituted;k=0-1,m=0-1;n=1-6;with the proviso that R and R.sup.1 are not both hydrogen, or a pharmaceutically acceptable salt thereof, which is useful as an immunosuppressive, antiinflammatory, antifungal, antiproliferative, and antitumor agent.
    Type: Grant
    Filed: November 22, 1993
    Date of Patent: January 31, 1995
    Assignee: American Home Products Corporation
    Inventors: Frances C. Nelson, Guy A. Schiehser
  • Patent number: 5385909
    Abstract: A compound of the structure ##STR1## wherein R and R.sup.1 are each, independently, ##STR2## or hydrogen, R.sup.2 is a heterocyclic radical which may be optionally substituted;n=0-6;with the proviso that R and R.sup.1 are both not hydrogen, or a pharmaceutically acceptable salt thereof which is useful as an immunosuppressive, antiinflammatory, antifungal, antiproliferative, and antitumor agent.
    Type: Grant
    Filed: November 22, 1993
    Date of Patent: January 31, 1995
    Assignee: American Home Products Corporation
    Inventors: Frances C. Nelson, Guy A. Schiehser
  • Patent number: 5302600
    Abstract: This invention provides a compound of formula I, ##STR1## and 27-substituted derivatives thereof which are useful as immunosuppressive, anti-inflammatory, antifungal, antitumor, and antiproliferative agents. The compound depicted by formula I is named 27-hydroxyrapamycin, and may also be referred to as 27-deoxo-27-hydroxyrapamycin.
    Type: Grant
    Filed: July 22, 1993
    Date of Patent: April 12, 1994
    Assignee: American Home Products Corporation
    Inventor: Frances C. Nelson
  • Patent number: 5256790
    Abstract: This invention provides a compound of formula I, ##STR1## and 27-substituted derivatives thereof which are useful as immunosuppressive, antiinflammatory, antifungal, antitumor, and antiproliferative agents. The compound depicted by formula I is named 27-hydroxyrapamycin, and may also be referred to as 27-deoxo-27-hydroxyrapamycin.
    Type: Grant
    Filed: January 27, 1993
    Date of Patent: October 26, 1993
    Assignee: American Home Products Corporation
    Inventor: Frances C. Nelson