Patents by Inventor William Francis Huffman
William Francis Huffman 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: 6403578Abstract: This invention relates to compounds of the formulae: wherein A1 is O, S, N—R1 or CHR1; A4 is N—R4 or CHR4; R2 is a sidechain containing an acid or ester group; R1, R4 and R5 are substituents such as H, alkyl and aryl alkyl, and R6 is a sidechain containing a nitrogen group; and pharmaceutically acceptable salts thereof, which are effective for inhibiting platelet aggregation, pharmaceutical compositions for effecting such activity, and a method for inhibiting platelet aggregation.Type: GrantFiled: August 4, 1995Date of Patent: June 11, 2002Assignee: SmithKline Beecham CorporationInventors: William Edward Bondinell, James Francis Callahan, William Francis Huffman, Richard McCulloch Keenan, Thomas Wen-Fu Ku, Kenneth Allen Newlander, James Martin Samanen, Irene Nijole Uzinskas
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Patent number: 6194544Abstract: Cyclic penta- and hexa-peptide libraries containing one or more known amino acids, one or more randomized amino acids and a conformationally constraining element are disclosed. These peptide libraries may be used for screening for new bioactive peptides and for elucidating structural information pertinent to drug design.Type: GrantFiled: January 5, 1996Date of Patent: February 27, 2001Assignee: SmithKline Beecham CorporationInventors: William Francis Huffman, Michael Lee Moore
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Patent number: 6127359Abstract: Compounds of the formula: ##STR1## wherein A.sup.1 to A.sup.5 form a seven-membered ring containing one optionally substituted nitrogen atom and one heteroatom selected from oxygen and nitrogen;D.sup.1 to D.sup.4 form a substituted six membered ring, optionally containing up to two nitrogen atoms;R is preferably at least one acid containing substituent;R* is is one or more groups chosen from H, Q-C.sub.1-6 alkyl, Q-C.sub.1-6 oxoalkyl, Q-C.sub.2-6 alkenyl, Q-C.sub.3-4 oxoalkenyl, Q-C.sub.3-4 oxoalkynyl, Q-C.sub.2-4 alkynyl, C.sub.3-6 cycloalkyl, Ar or Het;Q is H, C.sub.3-6 cycloalkyl, Het or Ar;R.sup.6 is preferably a basic nitrogen containing substituent;are inhibitors of platelet aggregation.Type: GrantFiled: May 14, 1999Date of Patent: October 3, 2000Assignee: SmithKline Beecham CorporationInventors: William Edward Bondinell, James Francis Callahan, William Francis Huffman, Richard McCulloch Keenan, Thomas Wen-Fu Ku, Kenneth Allen Newlander
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Patent number: 6028087Abstract: Compounds of the formula (I):W--Z--(CR'R.sup.10).sub.r --U--(CR'.sub.2).sub.s --V--A (I)wherein:A is ##STR1## W is .sup.N ; Z is (CH.sub.2).sub.1-2 ;U and V independently are present as CO, CR'.sub.2, C(.dbd.CR'.sub.2), S(O).sub.r, O, NR', CR'OR', CR'(OR")CR'.sub.2, CR'.sub.2 CR'(OR"), C(O)CR'.sub.2, CR'.sub.2 C(O), CONR', NR'CO, OC(O), C(O)O, C(S)O, OC(S), C(S)NR', NR'C(S), S(O).sub.r NR', NR'S(O).sub.r, N.dbd.N, NR'NR', NR'CR'.sub.2, NR'CR'.sub.2, CR'.sub.2 O, OCR'.sub.2, C.tbd.C, CR'.dbd.CR', or CR'(NR'R")C(O);each r independently is 0 to 3;s is 0 to 2;each R' independently is H, C.sub.1-4 alkyl, C.sub.3-7 cycloalky-C.sub.0-4 alkyl, or Ar-C.sub.0-4 alkyl;each R" independently is R', --C(O)R', or --C(O)OR.sup.15 ;R.sup.10 is H, C.sub.1-4 alkyl, or --NR'R';each R.sup.15 independently is C.sub.1-4 alkyl, C.sub.3-7 cycloalkyl-C.sub.0-4 alkyl, or Ar-C.sub.0-4 alkyl;R.sup.2 is present once or twice as C.sub.1-4 alkyl, J--CO.sub.2 R', CONR', SR', NR'R", C .sub.1-4 alkoxy, hydroxy, CN, CF.sub.Type: GrantFiled: January 21, 1998Date of Patent: February 22, 2000Assignee: SmithKline Beecham CorporationInventors: William Edward Bondinell, James Francis Callahan, William Francis Huffman, Richard McCulloch Keenan, Brian Walter Metcalf, James Samanen, Tobias Oregon Yellin
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Patent number: 5977101Abstract: Vitronectin receptor antagonists having the formula: ##STR1## which are useful for the treatment of inflammation, cancer and cardiovascular disorders, such as atherosclerosis and restenosis, and diseases wherein bone resorption is a factor, such as osteoporsis.Type: GrantFiled: December 20, 1996Date of Patent: November 2, 1999Assignee: SmithKline Beecham CorporationInventors: Fadia El-Fehail Ali, William Bondinell, William Francis Huffman, M. Amparo Lago, Richard McCulloch Keenan, Chet Kwon, William Henry Miller, Thomas Nguyen, Dennis T. Takata
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Patent number: 5939412Abstract: Compounds of the formula: ##STR1## wherein A.sup.1 to A.sup.5 form a seven-membered ring containing one optionally substituted nitrogen atom;D.sup.1 to D.sup.4 form a substituted six membered ring, optionally containing up to two nitrogen atoms;R is preferably at least one acid containing substituent;R* is is one or more groups chosen from H, Q-C.sub.1-6 alkyl, Q-C.sub.1-6 oxoalkyl, Q-C.sub.2-6 alkenyl, Q-C.sub.3-4 oxoalkenyl, Q-C.sub.3-4 oxoalkynyl, Q-C.sub.2-4 alkynyl, C.sub.3-6 cycloalkyl, Ar or Het;Q is H, C.sub.3-6 cycloalkyl, Het or Ar;R.sup.6 is preferably a basic nitrogen containing substituent; are inhibitors of platelet aggregation.Type: GrantFiled: October 17, 1997Date of Patent: August 17, 1999Assignee: SmithKline Beecham CorporationInventors: William Edward Bondinell, James Francis Callahan, William Francis Huffman, Richard McCulloch Keenan, Thomas Wen-Fu Ku, Kenneth Allen Newlander
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Patent number: 5776900Abstract: The invention provides compounds of the general formula: ##STR1## The compounds have hemoregulatory activities and can be used to stimulate haematopoiesis and for the treatment of viral, fungal and bacterial infectious diseases.Type: GrantFiled: May 30, 1995Date of Patent: July 7, 1998Assignee: SmithKline Beecham CorporationInventors: Pradip Kumar Bhatnagar, William Francis Huffman, James Edward Talmadge
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Patent number: 5760003Abstract: The present invention relates to novel peptides which have hemoregulatory activities and can be used to inhibit the myelopoietic system of humans and animals.Type: GrantFiled: May 25, 1994Date of Patent: June 2, 1998Assignee: SmithKline Beecham CorporationInventors: Pradip Kumar Bhatnagar, William Francis Huffman
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Patent number: 5726192Abstract: This invention relates to compounds of the formula:W--Z--(CR'R.sup.10).sub.r --U--(CR'.sub.2).sub.s --V--Awherein: ##STR1## A is W is R'R"N--;Z is Het;U and V independently are absent or present as CO, CR'.sub.2, C(.dbd.CR'.sub.2), S(O).sub.r, O, NR', CR'OR', CR'(OR")CR'.sub.2, CR'.sub.2 CR'(OR"), C(O)CR'.sub.2, CR'.sub.2 C(O), CONR', NR'CO, OC(O), C(O)O, C(S)O, OC(S), C(S)NR', NR'C(S), S(O).sub.r NR', NR'S(O).sub.r, N.dbd.N, NR'NR', NR'CR'.sub.2, NR'CR'.sub.2, CR'.sub.2 O, OCR'.sub.2, .sup.c.tbd.c, CR'.dbd.CR', or CR'(NR'R")C(O);each r independently is 0 to 3;s is 0 to 2;each R' independently is H, C.sub.1-4 alkyl, C.sub.3-7 cycloalkyl-C.sub.0-4 alkyl, or Ar--C.sub.0-4 alkyl;each R" independently is R', --C(O)R', or --C(O)OR.sup.15 ;R.sup.10 is as H, C.sub.1-4 alkyl, or --NR'R';each R.sup.15 independently is C.sub.1-4 alkyl, C.sub.3-7 cycloalkyl-C.sub.0-4 alkyl, or AR--C.sub.0-4 alkyl;R.sup.2 is present once or twice as C.sub.1-4 alkyl, J--CO.sub.2 R', CONR', SR', NR'R", C.sub.1-4 alkoxy, hydroxy, CN, CF.Type: GrantFiled: August 8, 1995Date of Patent: March 10, 1998Assignee: SmithKline Beecham CorporationInventors: William Edward Bondinell, James Francis Callahan, William Francis Huffman, Richard McCulloch Keenan, Brian Walter Metcalf, James Samanen, Tobias Oregon Yellin
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Patent number: 5693636Abstract: This invention relates to compounds of the formula: ##STR1## wherein A.sup.1 to A.sup.5 form an accessible substituted seven-membered ring, which may be saturated or unsaturated, optionally containing up to two heteroatoms chosen from the group of O, S and N wherein S and N may be optionally oxidized;D.sup.1 to D.sup.4 form an accessible substituted six membered ring, optionally containing up to two nitrogen atoms;R is at least one substituent chosen from the group of R.sup.7, or Q--C.sub.1-4 alkyl, Q--C.sub.2-4 alkenyl, Q--C.sub.2-4 alkynyl, preferably substituted by an acidic function;R* is H, Q--C.sub.1-6 alkyl, Q--C.sub.1-6 oxoalkyl, Q--C.sub.2-6 alkenyl or Q--C.sub.2-4 alkynyl, C.sub.3-6 cycloalkyl, Ar or Het, optionally substituted by one or more substitutents; andR.sup.Type: GrantFiled: June 26, 1992Date of Patent: December 2, 1997Assignee: SmithKline Beecham CorporationInventors: William Edward Bondinell, James Francis Callahan, William Francis Huffman, Richard McCulloch Keenan, Thomas Wen-Fu Ku, Kenneth Allen Newlander
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Patent number: 4122086Abstract: A new bicyclic .beta.-lactam containing the novel 7-oxo-1-aza-3-thiabicyclo[3.2.0]heptane nucleus (isopenicillin) is disclosed. The compounds have antibacterial activity against gram positive and gram negative organisms. Intermediates useful for the preparation of these active products are also disclosed.Type: GrantFiled: July 26, 1977Date of Patent: October 24, 1978Assignee: SmithKline CorporationInventors: Ralph Floyd Hall, William Francis Huffman