Patents by Inventor Colin P. Dell

Colin P. Dell 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).

  • 5,6-dihydronaphtho [1,2-b]pyrans and their use as pharmaceutical compounds
    Patent number: 5622987
    Abstract: Pharmaceutical compounds of the formula ##STR1## in which n is 0, 1 or 2 and R.sup.1 is attached at any of the positions 7, 8, 9 or 10, and each R.sup.1 is halo, carboxy, trifluoromethyl, hydroxy, C.sub.1 -4 alkyl, C.sub.1-4 alkoxy, C.sub.1-4 alkylthio, hydroxy-C.sub.1-4 alkyl, hydroxy-C.sub.1-4 alkoxy, nitrogen-containing heterocyclyl, nitro, trifluoromethoxy, --COOR.sup.5 where R.sup.5 is an alkyl group, --COR.sup.6, --CONR.sup.6 R.sup.7 or --NR.sup.6 R.sup.7 where R.sup.6 and R.sup.7 are each hydrogen or C.sub.1-4 alkyl;R.sup.2 is phenyl, naphthyl or heteroaryl selected from thienyl, pyridyl, benzothienyl, quinolinyl, benzofuranyl or benzimidazolyl, said phenyl, naphthyl and heteroaryl groups being optionally substituted, or R.sup.2 is furanyl optionally substituted with C.sub.1-4 alkyl;R.sup.3 is nitrile, carboxy, --COOR.sup.8 where R.sup.8 is an alkyl group, or --CONR.sup.9 R.sup.10 where R.sup.9 and R.sup.10 are each hydrogen or C.sub.1-4 alkyl; andR.sup.4 is --NR.sup.11 R.sup.12, --NR.sup.11 COR.sup.
    Type: Grant
    Filed: June 5, 1995
    Date of Patent: April 22, 1997
    Assignees: Eli Lilly and Company, Lilly Industries Limited
    Inventors: Michael Brunavs, Colin P. Dell, Peter T. Gallagher, William M. Owton, Colin W. Smith
  • Pharmaceutical compounds
    Patent number: 5480873
    Abstract: Pharmaceutical compounds of the formula ##STR1## in which R.sup.1 and R.sup.2 are each hydrogen, hydroxyl, halo, C.sub.1-4 alkyl, C.sub.1-4 alkoxy, acyloxy, --O-glucoside, optionally substituted phenyl or optionally substituted phenyl-C.sub.1-4 alkoxy;R.sup.3 istetrazolyl, orand R.sup.4 and R.sup.5 are each hydrogen, hydroxy, acyloxy, nitro, C.sub.1-4 alkyl, C.sub.1-4 alkoxy, halo, optionally substituted phenyl, --SO.sub.3 H or --NR'R" where R' and R" are each hydrogen or C.sub.1-4 alkyl;provided that when R.sup.3 is --CR'R".CHR'"CO.sub.2 H or tetrazolyl, R.sup.1 and R.sup.2 are each hydroxyl, halo, C.sub.1-4 alkyl, C.sub.1-4 alkoxy, acyloxy, --O-glucoside, optionally substituted phenyl or optionally substituted phenyl C.sub.1-4 alkoxy; andor a pharmaceutically acceptable salt or ester thereof.
    Type: Grant
    Filed: February 25, 1993
    Date of Patent: January 2, 1996
    Assignee: Lilly Industries Limited
    Inventors: Michael Brunavs, Colin P. Dell, David R. Dobson, Peter T. Gallagher, Terence A. Hicks, William M. Owton, Colin W. Smith
  • Pyrano[3,2-h]quinolines for treating restenosis
    Patent number: 5434160
    Abstract: Pharmaceutical compound of the formula ##STR1## R.sup.1 is phenyl or heteroaryl selected from thienyl, pyridyl, benzothienyl, quinolinyl, benzofuranyl or benzimidazolyl, said phenyl and heteroaryl groups being optionally substituted, or R.sup.1 is furanyl optionally substituted with C.sub.1-4 alkyl;R.sup.2 is nitrile, carboxy, --COOR.sup.4 where R.sup.4 is an ester group, --CONR.sup.5 R.sup.6 where R.sup.5 and R.sup.6 are each hydrogen or C.sub.1-4 alkyl, or R.sup.7 SO.sub.2 -- where R.sup.7 is C.sub.1-4 alkyl or optionally substituted phenyl;R.sup.3 is --NR.sup.8 R.sup.9, --NHCOR.sup.8, --N(COR.sup.8).sub.2, --N.dbd.CHOR.sup.8 where R.sup.8 and R.sup.9 are each hydrogen or C.sub.1-4 alkyl, or --NHSO.sub.2 R.sup.10 where R.sup.10 is C.sub.1-4 alkyl or optionally substituted phenyl; or ##STR2## where X is C.sub.2-4 alkylene; and the group ##STR3## represents a pyridine ring fused to the benzopyran nucleus; and salts thereof.
    Type: Grant
    Filed: November 12, 1993
    Date of Patent: July 18, 1995
    Assignee: Lilly Industries Limited
    Inventors: Colin P. Dell, Andrew C. Williams
  • Methods of using dihydropyrans
    Patent number: 5378699
    Abstract: Methods of treating an immune disease, cell proliferation, restenosis and vascular smooth muscle cells using the pharmaceutical compounds of the formula ##STR1## in which R.sup.2 is phenyl, naphthyl or heteroaryl selected from thienyl, pyridyl, benzothienyl, quinolinyl, benzofuranyl or benzimidazolyl, said phenyl, naphthyl and heteroaryl groups being optionally substituted, or R.sup.2 is furanyl optionally substituted with C.sub.1-4 alkyl; and salts thereof.
    Type: Grant
    Filed: February 5, 1993
    Date of Patent: January 3, 1995
    Assignees: Lilly Industries Limited, Eli Lilly and Company
    Inventors: Michael Brunavs, Colin P. Dell, Peter T. Gallagher, William M. Owton, Jai P. Singh, Colin W. Smith
  • Therapy for diabetic complications
    Patent number: 5378717
    Abstract: This invention provides a method of treating diabetic complications in mammals which comprises the administration of a compound of the Formula I: ##STR1## in which n, R.sup.1, R.sup.2, R.sup.3, and R.sup.4 are variables.
    Type: Grant
    Filed: March 22, 1993
    Date of Patent: January 3, 1995
    Assignee: Eli Lilly and Company
    Inventors: Michael Brunavs, Colin P. Dell, Peter T. Gallagher, William M. Owton, Colin W. Smith
  • Pharmaceutical compounds
    Patent number: 5284868
    Abstract: A pharmaceutical compound of the formula ##STR1## in which n is 0, 1 or 2 and R.sup.1 is attached at any of the positions 5, 6, 7, 8, 9 or 10, and each R.sup.1 is halo, trifluoromethyl, C.sub.1-4 alkoxy, hydroxy, nitro, C.sub.1-4 alkyl, C.sub.1-4 alkylthio, hydroxy-C.sub.1-4 alkyl, hydroxy-C.sub.1-4 alkoxy, trifluoromethoxy, carboxy, --COOR.sup.5 where R.sup.5 is an ester group, --CONR.sup.6 R.sup.7 or --NR.sup.6 R.sup.7 where R.sup.6 and R.sup.7 are each hydrogen or C.sub.1-4 alkyl; R.sup.2 is phenyl, naphthyl or heteroaryl selected from thienyl, pyridyl, benzothienyl, quinolinyl, benzofuranyl or benzimidazolyl, said phenyl, naphthyl and heteroaryl groups being optionally substituted, or R.sup.2 is furanyl optionally substituted with C.sub.1-4 alkyl; R.sup.3 is nitrile, carboxy, --COOR.sup.8 where R.sup.8 is an ester group, --CONR.sup.9 R.sup.10 where R.sup.9 and R.sup.10 are each hydrogen or C.sub.1-4 alkyl, or R.sup.11 SO.sub.2 -- where R.sup.11 is C.sub.1-4 alkyl or optionally substituted phenyl; and R.
    Type: Grant
    Filed: September 25, 1992
    Date of Patent: February 8, 1994
    Assignees: Eli Lilly and Company, Lilly Industries Limited
    Inventors: Colin P. Dell, Jai P. Singh, Colin W. Smith
  • Therapy for diabetic complications
    Patent number: 5281619
    Abstract: This invention provides a method of treating diabetic complications in mammals which comprises the administration of a compound of the Formula I: ##STR1## in which n, R.sub.1, R.sub.2, R.sub.3, and R.sub.4 are variables.
    Type: Grant
    Filed: March 22, 1993
    Date of Patent: January 25, 1994
    Assignee: Eli Lilly and Company
    Inventors: Colin P. Dell, Colin W. Smith