Patents Assigned to Zeneca Limited
  • Patent number: 6117935
    Abstract: A rheology modifier for solvent-based coatings which is a polyacrylic acid or a poly(C.sub.1-4)-alkyl acrylic acid wherein at least 30% of the --COOH groups are converted to ester and/or amide groups. Preferred compounds are esters of polyacrylic acid where about 50% of the --COOH groups are esterified with a C.sub.4-12 -alcohol.
    Type: Grant
    Filed: April 4, 1997
    Date of Patent: September 12, 2000
    Assignee: Zeneca Limited
    Inventors: John David Schofield, Paul Gough
  • Patent number: 6113935
    Abstract: A suspension of microcapsules in an organic liquid, the microcapsules containing an aqueous phase, is produced by interfacial polymerization in the presence of a proton transfer catalyst of a water-in-oil emulsion in which the aqueous phase contains a urea/formaldehyde or melamine/formaldehyde prepolymer.
    Type: Grant
    Filed: December 19, 1997
    Date of Patent: September 5, 2000
    Assignee: ZENECA Limited
    Inventors: Maurius Rodson, Herbert B. Scher
  • Patent number: 6110729
    Abstract: A stereoselective method for making compounds of Formula VIII ##STR1## wherein A and * are as defined in the specification. Enzymic processes and intermediates useful for preparing compound of Formula VIII are disclosed.
    Type: Grant
    Filed: October 9, 1998
    Date of Patent: August 29, 2000
    Assignee: Zeneca Limited
    Inventors: John Crosby, John David Pittam, Robert Antony Holt
  • Patent number: 6110936
    Abstract: The invention concerns a compound of formula (I), ##STR1## wherein, for example: R.sup.1 is of the formula --NHC(.dbd.O) (1-4C) alkyl; R.sup.2 and R.sup.3 are hydrogen or fluoro; R.sup.4 and R.sup.5 are hydrogen or methyl; >A--B-- is of the formula >C.dbd.CH--, >CHCH.sub.2, or >C(OH)CH.sub.2 -- (> represents two single bonds); D is O, S, SO, SO.sub.2 or --NR.sup.7 ; wherein R.sup.7 is hydrogen, R.sup.10 CO--, R.sup.10 SO.sub.2 --, R.sup.a OC(R.sup.b).dbd.CH(C.dbd.O)--, R.sup.c C(.dbd.O)C(.dbd.O)--, R.sup.d N.dbd.C(R.sup.e)C(.dbd.O)--, R.sup.f NHC(R.sup.g).dbd.CHC(.dbd.O)-- or R.sup.14 CH(R.sup.13)(CH.sub.2).sub.m --; wherein R.sup.10 is (1-6 C)alkyl [optionally substituted by, for example, hydroxy or (1-6 C)alkanoyl], R.sup.11 C(O)O(1-6 C)alkyl or R.sup.12 O--; wherein R.sup.11 is optionally substituted (1-6 C)alkyl; R.sup.12 is optionally substituted (1-6 C)alkyl; R.sup.a, R.sup.b, R.sup.c, R.sup.d, R.sup.e, R.sup.f, R.sup.g are (1-6 C)alkyl; m is 0 or 1; R.sup.13 is cyano; R.sup.
    Type: Grant
    Filed: January 19, 1999
    Date of Patent: August 29, 2000
    Assignee: Zeneca Limited
    Inventor: Michael Barry Gravestock
  • Patent number: 6107249
    Abstract: A low-foam, physically stable composition comprises (i) N-phosphonomethylglycine acid or a water-soluble salt thereof (ii) an alkylglycoside surfactant which is preferably 2-ethyl-1-hexyl glycoside having a degree of polymerization of from 1 to 2 and (iii) a quaternary ammonium salt surfactant such as a dialkyldimethylammonium salt wherein the sum of the carbon atoms in the dialkyl groups is from 12 to 20 or an alkyltrimethylammonium salt wherein the alkyl group contains from 4 to 12 carbon atoms.
    Type: Grant
    Filed: April 7, 1999
    Date of Patent: August 22, 2000
    Assignee: ZENECA Limited
    Inventor: Philip Simon Wikeley
  • Patent number: 6107548
    Abstract: The invention provides isolated DNA sequences related to fruit ripening from muskmelon (Cucumis melo) having SEQ ID NO: 1 and SEQ ID NO: 2, or having a sequence which encodes the amino acid sequence encoded by SEQ ID NO: 1 or SEQ ID NO: 2. Also provided are DNA constructs, genetically modified plants and fruits containing the foregoing sequences, and methods of preparing genetically modified plants.
    Type: Grant
    Filed: September 9, 1998
    Date of Patent: August 22, 2000
    Assignee: Zeneca Limited
    Inventors: Alexandros Aggelis, Donald Grierson, Isaac John, Zoi Karvouni
  • Patent number: 6103721
    Abstract: The present invention concerns compounds according to the following formula, ##STR1## wherein: R.sup.1 is (CH.sub.2).sub.n,L where n is an integer in the range 0 to 6, and L is a carbon-linked five-membered heteroaryl ring having an oxygen or sulfur heteroatom, R.sup.4 is hydrogen, halo or NO.sub.2, and pharmaceutical compositions and methods of using thereof in the treatment and/or prevention of neurological diseases or conditions.
    Type: Grant
    Filed: December 6, 1999
    Date of Patent: August 15, 2000
    Assignee: Zeneca Limited
    Inventors: Thomas Michael Bare, Timothy Wayne Davenport, James Roy Empfield, Jeffrey Alan McKinney, Richard Bruce Sparks
  • Patent number: 6100258
    Abstract: Compounds antagonistic of the pain enhancing effects of prostaglandins are disclosed. The compounds comprise an optionally-substituted A ring with a --CH(R.sup.3)N(R.sup.2)B--R.sup.1 and --OD groups positioned in a 1,2 relationship to one another on ring carbon atoms. The 3-position ring-atom is not substituted. B is also an optionally-substituted ring and the group R.sup.1 is positioned on B in a 1,3 or 1,4 relationship with the --CH(R.sup.3)N(R.sup.2)-- linking group. R.sup.1, R.sup.2 and R.sup.3 and D can be a number of different organic or halogen moieties. N-oxides of --NR.sup.2 and S-oxides of sulphur containing rings are disclosed as are processes for the preparation of the compounds, intermediates in their preparation, pharmaceutical compositions containing them, and their use as therapeutic agents.
    Type: Grant
    Filed: December 16, 1997
    Date of Patent: August 8, 2000
    Assignee: Zeneca Limited
    Inventor: Gloria Anne Breault
  • Patent number: 6099625
    Abstract: Compounds and ink compositions. An ink composition comprising a compound of Formula (1) and salts thereof: ##STR1## wherein Ch represents an arrangement of atoms which causes the compound to absorb electromagnetic radiation;R.sup.a and R.sup.b each independently is a spacer group;Y is an interactive functional group;w and x each independently is 0 or an integer equal to or greater than 1; andm and n each independently is an integer equal to or greater than 1, provided that w and x are not both equal to zero and when one of w or x is 0 at least one of m and n is equal to or greater than 2. For use in ink jet printing and electrophotography.
    Type: Grant
    Filed: January 8, 1998
    Date of Patent: August 8, 2000
    Assignee: Zeneca Limited
    Inventors: Roy Bradbury, Alan Butters, Clive Moscrop, Andrew Slark
  • Patent number: 6096892
    Abstract: A process for preparing 4,6-dihydroxypyrimidine comprising the steps:a) contacting formamide, an alkoxide of formula ROM and a malonate of formula CH.sub.2 (CO.sub.2 R).sub.2 in a solvent of formula ROH;b) adding water to the product of step (a);c) removing substantially all of the solvent of formula ROH from the product of step (b); andd) acidifying the product of step (c)wherein R is C.sub.1-4 alkyl and M is an alkali metal.
    Type: Grant
    Filed: November 13, 1998
    Date of Patent: August 1, 2000
    Assignee: Zeneca Limited
    Inventors: Barry Stuart Crombie, David John Ritchie, Raymond Vincent Heavon Jones
  • Patent number: 6096539
    Abstract: An isolated and purified human protein activator of apoptosis is described. A cDNA sequence which encodes the native kinase of death is disclosed as well as the structural coding region and the amino acid residue sequence. Methods are provided which employ the sequences to identify compounds that modulate the biological and/or pharmacological activity of the activator and hence regulate apoptosis. Biologically-effective antisense molecules, as well as dominant negative mutant versions of the apoptosis activator are described which are suitable for therapeutic use. The invention is also drawn toward the study, prevention, diagnosis, and treatment of pathophysiological disorders related to apoptosis.
    Type: Grant
    Filed: June 10, 1999
    Date of Patent: August 1, 2000
    Assignee: Zeneca Limited
    Inventors: Bruce Charles Gomes, Garrett M. Kasof, Judith Caroline Prosser
  • Patent number: 6093718
    Abstract: This invention concerns heterocyclic derivatives which are useful in inhibiting oxido-squalene cyclase, processes for their preparation and pharmaceutical compositions containing them. The present invention is also concerned with heterocyclic derivatives capable of inhibiting cholesterol biosynthesis and hence in lowering cholesterol levels in blood plasma. The present invention also relates to methods of using such heterocyclic derivatives in diseases and medical conditions such as hypercholesterolemia and atherosclerosis.
    Type: Grant
    Filed: February 12, 1999
    Date of Patent: July 25, 2000
    Assignee: Zeneca Limited
    Inventors: David Waterson, Elaine Sophie Elizabeth Stokes, George Robert Brown, Nicholas John Newcombe
  • Patent number: 6093726
    Abstract: A compound of formula (I): ##STR1## wherein Ar is optionally substituted phenyl or optionally substituted 5-or 6-membered heterocyclic ring containing from 1 to 3 heteroatoms individually selected from nitrogen, oxygen and sulfur atoms, and at least one unsaturation (double bond) between adjacent atoms in the ring, said heterocyclic ring being optionally fused to a benzene ring; or an acid addition salt, quaternary ammonium salt or N-oxide derived therefrom, an insecticidal, acaricidal or nematicidal composition comprising a compound of formula (I) and a suitable carrier or diluent therefor, a method of combating and controlling insect, acarine or nematode pests at a locus which comprises treating the pests or the locus of the pests with an effective amount of a compound of formula (I) or a composition as hereinbefore described.
    Type: Grant
    Filed: November 13, 1997
    Date of Patent: July 25, 2000
    Assignee: Zeneca Limited
    Inventors: Christopher John Urch, Roger Salmon, Christopher Richard Ayles Godfrey
  • Patent number: 6090824
    Abstract: Compounds of formula I ##STR1## wherein Q.sup.1, Q.sup.2, Q.sup.3, and Q.sup.4 have any of the meanings given in the specification, their N-oxides, and their pharmaceutically acceptable salts are nonpeptide antagonists Substance P and NKA, useful for the treatment of asthma, etc. Also disclosed are pharmaceutical compositions, processes for preparing the compounds of formula I and intermediates.
    Type: Grant
    Filed: November 14, 1996
    Date of Patent: July 18, 2000
    Assignee: Zeneca Limited
    Inventors: Peter R. Bernstein, Bruce T. Dembofsky
  • Patent number: 6090813
    Abstract: A compound of formula (I), or a pharmaceutically acceptable salt thereof, wherein G, T.sup.1, T.sup.2 and T.sup.3 are selected from CH and N; provided that T.sup.2 and T.sup.3 are not both CH; A is selected from a direct bond and (1-4C)alkylene; X is selected from oxy, thio, sulphinyl, sulphonyl, carbonyl, carbonylamino, N-di-(1-6C)alkylcarbonylamino, sulphonamido, methylene, (1-4C)alkylmethylene and di-(1-6C)alkylmethylene, and when T.sup.2 is CH, X may also be selected from aminosulphonyl and oxycarbonyl; and Q is selected from (5-7C)cycloalkyl, a heterocyclic moiety containing up to 4 heteroatoms selected from nitrogen, oxygen and sulphur, phenyl, naphthyl, phenyl(1-4C)alkyl and phenyl(2-6C)alkenyl; for the manufacture of a medicament for treating diseases or medical conditions in which an inhibition of oxido-squalene cyclase is desirable.
    Type: Grant
    Filed: February 13, 1998
    Date of Patent: July 18, 2000
    Assignee: Zeneca Limited
    Inventors: David Waterson, Elaine Sophie Elizabeth Stokes, George Robert Brown, Robin Wood
  • Patent number: 6086955
    Abstract: A compound of the Formula (1) and salts thereof: ##STR1## wherein: M is a metal or hydrogen;Pc is a phthalocyanine nucleus;R.sup.1 and R.sup.2 are each independently H or optionally substituted alkyl, aryl or aralkyl;R.sup.3 is an aminoalkyl group;L is a divalent organic linking group;x and y each independently have a value of 0.5 to 3.5; and(x+y) is from 3 to 4.A process for making the compounds of Formula (1). The compounds of Formula (1) are useful as colorants for inks which are used in for example ink jet printing of substrates such as paper, plastics, textile materials, metal or glass.
    Type: Grant
    Filed: April 7, 1998
    Date of Patent: July 11, 2000
    Assignee: Zeneca Limited
    Inventors: Prahalad Manibhai Mistry, Ronald Wynford Kenyon
  • Patent number: 6087122
    Abstract: Human E3 ubiquitin protein ligase is described. A structural region which encodes the polypeptide is disclosed as well as the the amino acid residue sequence of the protein ligase. Methods are provided which employ the sequences to identify compounds that modulate a biological and/or pharmacological activity of the molecule and hence regulate cellular and tissue physiology. The invention is also drawn toward the diagnosis, prevention, and treatment of pathophysiological disorders mediated by E3 ubiquitin protein ligases.
    Type: Grant
    Filed: July 21, 1999
    Date of Patent: July 11, 2000
    Assignee: Zeneca Limited
    Inventors: Carolyn Marziasz Hustad, Namit Ghildyal
  • Patent number: 6087306
    Abstract: A granule suitable for aqueous spray application after tank mix dispersion or dissolution comprises an active ingredient or auxiliary agent, an inert filler and a water-swellable material wherein the water-swellable material is incorporated into the granule in a substantially dry form. Preferred water-swellable materials are non-ionic or predominantly non-ionic and an especially preferred water-swellable material is Xantham gum. The granules provide reduced sludge residues in the spray tank and are particularly well suited for use when housed in a water-soluble bag.
    Type: Grant
    Filed: April 22, 1998
    Date of Patent: July 11, 2000
    Assignee: Zeneca Limited
    Inventors: Gordon Alastair Bell, Susan Marie Critchley
  • Patent number: 6087137
    Abstract: A process for preparing a compound of Formula (3) in which R.sup.2 is --H; ##STR1## which comprises the steps: i) conversion of a compound of Formula (1) into a compound of Formula (2) using a dioxygenase enzyme; ##STR2## ii) conversion of the compound of Formula (2) into a compound of Formula (3) wherein is --COR; andiii) conversion of the compound of Formula (3) in which R.sup.2 is --COR into a compound of Formula (3) in which R.sup.2 is --H;wherein R.sup.2, a, b, c, d, Z, m and X are as defined in claim 1.Also claimed are individual steps of the process and new compounds of Formula (2).
    Type: Grant
    Filed: November 21, 1997
    Date of Patent: July 11, 2000
    Assignee: Zeneca Limited
    Inventors: Andrew John Blacker, Derek Raymond Boyd, Howard Dalton, Nigel Bowers
  • Patent number: 6087336
    Abstract: The invention concerns pharmaceutically useful peptide derivatives of the formula (I): P--R.sup.1 --R.sup.2 --R.sup.3 --R.sup.4, in which P, R.sup.1, R.sup.2, R.sup.3, and R.sup.4 have the various meanings defined herein, and their pharmaceutically acceptable salts, and pharmaceutical compositions containing them. The novel peptide derivatives are of value in treating MHC class II dependent T-cell mediated autoimmune or inflammatory diseases, such as rheumatoid arthritis. The invention further concerns processes for the manufacture of the novel peptide derivatives and the use of the compounds in medical treatment.
    Type: Grant
    Filed: August 20, 1998
    Date of Patent: July 11, 2000
    Assignee: Zeneca Limited
    Inventors: Philip Neil Edwards, Richard William Arthur Luke, Ronald Cotton