Patents by Inventor Ying K. Yee
Ying K. Yee 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: 5583152Abstract: The invention concerns novel, pharmaceutically useful, amide derivatives of certain benzoheterocyclylalkanoic acids (and related tetrazoles and acylsulphonamides) of the formula I and salts thereof, wherein the radicals R.sup.1, R.sup.2, L, X, Y, Z, A.sup.1, Q, A.sup.2 and M have the meanings set out in the specification. The invention also includes pharmaceutical compositions incorporating a formula I compound or a salt thereof, a process for the manufacture of the said compound, together with intermediates for use in the latter process.Type: GrantFiled: June 5, 1995Date of Patent: December 10, 1996Assignee: Zeneca Inc.Inventors: Peter R. Bernstein, Frederick J. Brown, Victor G. Matassa, Ying K. Yee
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Patent number: 5455246Abstract: Compounds of formula I, Ia or Ib and pharmaceutically acceptable salts thereof, useful in the treatment of neuropsychiatric disorders such as psychoses; pharmaceutical compositions comprising a compound of formula I and a pharmaceutically acceptable diluent or carrier; and methods of treating neuropschiatric disorders comprising administering to a mammal (including man) in need of such treatment an effective amount of a compound of formula I, or a pharmaceutically acceptable salt thereof.Type: GrantFiled: September 13, 1993Date of Patent: October 3, 1995Assignee: Imperial Chemical Industries, plcInventors: Ying K. Yee, Cyrus J. Ohnmacht, Diane A. Trainor, Joseph J. Lewis
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Patent number: 5440035Abstract: The invention concerns novel, pharmaceutically useful, amide derivatives of certain benzoheterocyclylalkanoic acids (and related tetrazoles and acylsulphonamides) of the formula I and salts thereof, wherein the radicals R.sup.1, R.sup.2, L, X, Y, Z, A.sup.1, Q, A.sup.2 and M have the meanings set out in the specification. The invention also includes pharmaceutical compositions incorporating a formula I compound or a salt thereof, a process for the manufacture of the said compound, together with intermediates for use in the latter process.Type: GrantFiled: October 25, 1994Date of Patent: August 8, 1995Assignee: Zeneca Inc.Inventors: Peter R. Bernstein, Frederick J. Brown, Victor G. Matassa, Ying K. Yee
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Patent number: 5391758Abstract: The invention concerns novel, pharmaceutically useful, amide derivatives of certain benzoheterocyclylalkanoic acids (and related tetrazoles and acylsulphonamides) of the formula I and salts thereof, wherein the radicals R.sup.1, R.sup.2, L, X, Y, Z, A.sup.1, Q, A.sup.2 and M have the meanings set out in the specification. The invention also includes pharmaceutical compositions incorporating a formula I compound or a salt thereof, a process for the manufacture of the said compound, together with intermediates for use in the latter process.Type: GrantFiled: June 6, 1994Date of Patent: February 21, 1995Assignee: Zeneca, Inc.Inventors: Peter R. Bernstein, Frederick J. Brown, Victor G. Matassa, Ying K. Yee
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Patent number: 5338734Abstract: The invention concerns novel, pharmaceutically useful, amide derivatives of certain benzoheterocyclylalkanoic acids (and related tetrazoles and acylsulphonamides) of the formula I and salts thereof, wherein the radicals R.sup.1, R.sup.2, L, X, Y, Z, A.sup.1, Q, A.sup.2 and M have the meanings set out in the specification. The invention also includes pharmaceutical compositions incorporating a formula I compound or a salt thereof, a process for the manufacture of the said compound, together with intermediates for use in the latter process.Type: GrantFiled: November 25, 1992Date of Patent: August 16, 1994Assignee: Zeneca Inc.Inventors: Peter R. Bernstein, Frederick J. Brown, Victor G. Matassa, Ying K. Yee
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Patent number: 5266570Abstract: Compounds of formula I, Ia or Ib and pharmaceutically acceptable salts thereof, useful in the treatment of neuropsychiatric disorders such as psychoses; pharmaceutical compositions comprising a compound of formula I and a pharmaceutically acceptable diluent or carrier; and methods of treating neuropschiatric disorders comprising administering to a mammal (including man) in need of such treatment an effective amount of a compound of formula I, or a pharmaceutically acceptable salt thereof; ##STR1##Type: GrantFiled: August 6, 1992Date of Patent: November 30, 1993Assignee: Imperial Chemical Industries PLCInventors: Ying K. Yee, Cyrus J. Ohnmacht, Diane A. Trainor, Joseph J. Lewis
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Patent number: 5234942Abstract: The invention provides a series of novel heterocyclic amides of the formula I in which the group A; CRa can be --CRb.dbd.CRa--, --CHRb--CHRa-- or --N.dbd.CRa--, the amidic group Re.L can be Rd.X.CO.NH, Re.X.CS.NH or Re.NH.CO attached to position 4, 5 or 6 of the benzenoid moiety, z is an acid group selected from the group consisting of carboxy, an acylsulphonamide residue of the formula CO.NH.SO.sub.n Rg and a tetrazolyl residue of the formula II and the radicals Ra, Rb, Rc, Rd, Re, Rf, Rg, Rh, n, X, G.sup.1,Q and G.sup.2 have the meanings defined in the following specification.The compounds of formula I are leukotriene antagonists.Type: GrantFiled: December 17, 1990Date of Patent: August 10, 1993Assignee: ICI Americas Inc.Inventors: Peter R. Bernstein, Frederick J. Brown, Ying K. Yee
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Patent number: 5179112Abstract: The invention concerns novel, pharmaceutically useful, amide derivatives of certain benzoheterocyclylalkanoic acids (and related tetrazoles and acylsulphonamides) of the formula I and salts thereof, wherein the radicals R.sup.1, R.sup.2, L, X, Y, Z, A.sup.1, Q, A.sup.2 and M have the meanings set out in the specification. The invention also includes pharmaceutical compositions incorporating a formula I compound or a salt thereof, a process for the manufacture of the said compound, together with intermediates for use in the latter process.Type: GrantFiled: June 6, 1991Date of Patent: January 12, 1993Assignee: ICI Americas Inc.Inventors: Peter R. Bernstein, Frederick J. Brown, Victor G. Matassa, Ying K. Yee
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Patent number: 5095038Abstract: This invention comprises novel carbocyclic compounds of formula I (wherein A, Z, R.sup.11 and R.sup.12 are defined in the specification) derived from acylsulfonamide derivatives of .alpha.-carbocyclyltoluic acids wherein said compounds of formula I antagonize the actions of one or more of the arachidonic acid metabolites known as leukotrienes. The invention also provides pharmaceutically acceptable salts of the formula I compounds; pharmaceutical compositions containing the formula I compound, or their salts, for use in the treatment of, for example, allergic or inflammatory diseases, or endotoxic or traumatic shock conditions; and processes for the manufacture of the formula I compounds, as well as intermediates for use in such manufacture.Type: GrantFiled: April 12, 1989Date of Patent: March 10, 1992Assignee: ICI Americas Inc.Inventors: Frederick J. Brown, Thomas P. Maduskuie, Jr., Victor G. Matassa, Ying K. Yee
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Patent number: 5049576Abstract: This invention provides a series of novel heterocyclic amides of formula I in which the group >X--Y--Z< is selected from >C.dbd.CH--N<, >C.dbd.N--N<, >N--(CH.sub.2)--N<, >CH--CH.sub.2 --N< and >N--N.dbd.C< and the other radicals have the meanings defined in the following specification.The compounds of formula I are leukotriene antagonists. The invention also provides pharmaceutically acceptable salts of the formula I compounds; pharmaceutical compositions containing the formula I compounds, or their salts, for use in the treatment of, for example, allergic or inflammatory diseases, or endotoxic or traumatic shock conditions; and processes for the manufacture of the formula I compounds, as well as intermediates for use in such manufacture.Type: GrantFiled: December 29, 1989Date of Patent: September 17, 1991Assignee: ICI Americas Inc.Inventors: Peter R. Bernstein, Frederick J. Brown, Victor G. Matassa, Ying K. Yee
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Patent number: 4997844Abstract: The invention provides a series of novel heterocyclic amides of the formula I in which the group A CRa can be --CRb.dbd.CRa--, --CHRb--CHRa-- or --N.dbd.CRa--, the amidic group Re.L can be Re.X.CO.NH, Re.X.CS.NH or Re.NH.CO attached at position 4, 5 or 6 of the benzenoid moiety, Z is an acid group selected from the group consisting of carboxy, an acylsulphonamide residue of the formula CO.NH.SO.sub.n Rg and a tetrazolyl residue of the formula II, and the radicals Ra, Rb, Rc, Rd, Re, Rf, Rg, Rh, n, X, G.sup.1, Q and G.sup.2 have the meanings defined in the following specification.The compounds of formula I are leukotriene antagonists.Type: GrantFiled: October 18, 1985Date of Patent: March 5, 1991Assignee: ICI Americas Inc.Inventors: Peter R. Bernstein, Frederick J. Brown, Ying K. Yee
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Patent number: 4918094Abstract: This invention provides a series of novel heterocyclic amides of formula I in which the group >X-Y-Z< is selected from >C.dbd.CH--N<, >C.dbd.N--N<, >N--(CH.sub.2)--N<, >CH--CH.sub.2 --N< and >N--N.dbd.C< and the other radicals have the meanings defined in the following specification.The compounds of formula I are leukotriene antagonists. The invention also provides pharmaceutically acceptable salts of the formula I compounds: pharmaceutical compositions containing the formula I compounds, or their salts, for use in the treatment of, for example, allergic or inflammatory diseases, or endotoxic or traumatic shock conditions; and processes for the manufacture of the formula I compounds, as well as intermediates for use in such manufacture.Type: GrantFiled: October 16, 1986Date of Patent: April 17, 1990Assignee: ICI Americas Inc.Inventors: Peter R. Bernstein, Frederick J. Brown, Victor G. Matassa, Ying K. Yee
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Patent number: 4898863Abstract: This invention provides a series of novel heterocyclic carboxamides of formula I in which the group --Y--Z< is selected from --C(Ra).dbd.C<, --N.dbd.C<, and --CH(Ra)--CH< and the other radicals have the meanings defined in the following specification.The compounds of formula I are leukotriene antagonists. The invention also provides pharmaceutically acceptable salts of the formula I compounds; pharmaceutical compositions containing the formula I compound, or their salts, for use in the treatment of, for example, allergic or inflammatory diseasxes, or endotoxic or traumatic shock conditions; and processes for the manufacture of the formula I compounds, as well as intermediates for use in such manufacture.Type: GrantFiled: April 15, 1987Date of Patent: February 6, 1990Assignee: ICI Americas Inc.Inventors: Frederick J. Brown, Ying K. Yee
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Patent number: 4837235Abstract: This invention provides a series of novel keto sulfones of formula I ##STR1## in which the group .dbd.A-- is selected from .dbd.C(Ra)-- and .dbd.N-- and the other radicals have the meanings defined in the following specification.The compounds of formula I are leukotriene antagonists. The invention also provides pharmaceutically acceptable salts of the formula I compounds; pharmaceutical compositions containing the formula I compound, or their salts, for use in the treatment of, for example, allergic or inflammatory diseases, or endotoxic or traumatic shock conditions; and processes for the manufacture of the formula I compounds, as well as intermediates for use in such manufacture.Type: GrantFiled: October 16, 1986Date of Patent: June 6, 1989Assignee: ICI Americas Inc.Inventors: Peter R. Bernstein, Frederick J. Brown, Victor G. Matassa, Ying K. Yee