Patents Examined by Amelia Averill Owens
  • Patent number: 6951877
    Abstract: The subject invention provides novel HMG-CoA-reductase inhibitors. In a preferred embodiment, the HMG-CoA reductase inhibitors of the subject invention can be deactivated to a primary inactive metabolite by hydrolytic enzymes. Compounds of the present invention can be advantageously used to treat patients suffering hypercholesterolemia.
    Type: Grant
    Filed: July 21, 2003
    Date of Patent: October 4, 2005
    Assignee: ARYx Therapeutics, Inc.
    Inventors: Pascal Druzgala, Xiaoming Zhang
  • Patent number: 6946556
    Abstract: A one-pot process for preparing opioid analgesics such as hydrocodone, hydromorphone, and analogues thereof by reacting codeine, morphine, and analogues thereof with hydrogen in a solvent system of benzophenone and neutral solvent in the presence of a metal catalyst followed by oxidation in the presence of potassium tert-alkylate.
    Type: Grant
    Filed: May 21, 2004
    Date of Patent: September 20, 2005
    Assignee: Acura Pharmaceuticals, Inc.
    Inventors: Igor Likhotvorik, Joseph J. Lisowski
  • Patent number: 6930111
    Abstract: Disclosed are novel heterocyclic derivatives, useful for the treatment of various disease states, in particular cardiovascular diseases such as atrial and ventricular arrhythmias, intermittent claudication, Prinzmetal's (variant) angina, stable and unstable angina, exercise induced angina, congestive heart disease, and myocardial infarction. The compounds are also useful in the treatment of diabetes, and for increasing HDL plasma levels in mammals.
    Type: Grant
    Filed: July 18, 2002
    Date of Patent: August 16, 2005
    Assignee: CV Therapeutics, Inc.
    Inventors: Prabha Ibrahim, Kevin Shenk, Elfatih Elzein, Venkata Palle, Jeff Zablocki, Kenneth S. Rehder
  • Patent number: 6881851
    Abstract: Disclosed is a process for the preparation of tetrahydro-3-furoic acid by the thermal, non-catalytic oxidation of 3-formyltetrahydrofuran using molecular oxygen.
    Type: Grant
    Filed: April 21, 2004
    Date of Patent: April 19, 2005
    Assignee: Eastman Chemical Company
    Inventors: John Robert Monnier, Elaine Beatrice Mackenzie
  • Patent number: 5854280
    Abstract: A compound of formula ##STR1## wherein Z is a tetrahydro-pyrano group selected from ##STR2## having antifungal activity processes for their preparation and their use in medicines.
    Type: Grant
    Filed: October 18, 1996
    Date of Patent: December 29, 1998
    Assignee: Glaxo Wellcome S.A.
    Inventors: Jose R. Ruiz Gomez, Jose Maria Bueno Calderon, Silvestre Garcia-Ochoa Dorado, Maria T. Fraile Gabaldon, Julia C. Pichel, Jose M. Fiandor Roman, Domingo Gargallo Viola, Juan C. Cuevas Zurita, Jose L. Lavandera Diaz, Sophie Huss
  • Patent number: 5777133
    Abstract: Compounds having the formula: ##STR1## wherein T is a polycycloalkylidene group (e.g., adamant-2-ylidene); R is a C.sub.1-20 alkyl, aralkyl or cycloalkyl group; and Y is a fluorescent chromophore (eg., m-phenylene), produced by reacting a compound having the formula: ##STR2## with an R-ylating agent (e.g., R.sub.2 SO.sub.4) in the presence of an alkali metal alkoxide in a polar aprotic solvent. Also, compounds having the formula: ##STR3## are produced by reacting a compound having the formula: ##STR4## wherein X is an electronegative leaving group (e.g., a halogen anion such as chloride ion) in the presence of a Lewis base (e.g., a trialkyl-amine) dissolved in an aprotic organic solvent (e.g., benzene or toluene). Also, compounds having the formula ##STR5## are produced by reacting a compound of the formula ##STR6## with a tetra-O-acylated-O-hexopyranoside halide, then hydrolyzing off the protective acyl groups.
    Type: Grant
    Filed: January 28, 1997
    Date of Patent: July 7, 1998
  • Patent number: 5767147
    Abstract: This invention relates to novel haloenol lactone compounds. These compounds have the following general structure: ##STR1## in which Ar is an aryl group and Y is a haloenol lactone moiety. The compounds of the invention are useful for the specific measurement of particular isoenzymes of glutathione S-transferase. Measurement of glutathione S-transferase isoenzymes has importance in diagnostic medicine. The compounds of the invention are also useful for treatment of drug resistance in cancer and for preventing herbicide resistance in plants.
    Type: Grant
    Filed: April 21, 1995
    Date of Patent: June 16, 1998
    Assignee: The Regents of the University of California
    Inventors: A. Daniel Jones, Alyson E. Mitchell, Bruce D. Hammock, Jiang Zheng
  • Patent number: 5747527
    Abstract: Novel hypoglycemically active eremophilanolide sesquiterpenes which can be isolated from Psacalium spp., processes for obtaining the novel eremophilanolide sesquiterpenes and methods for their use as hypoglycemic agents, for example, in the treatment of diabetes are described. Further described is the use of epicacalone, cacalone, cacalol or dimaturin as hypoglycemic agents, for example, in the treatment of diabetes. In a preferred embodiment, the hypoglycemically active compounds are obtained from the roots of Psacalium decompositum. As agents for the treatment of diabetes, the hypoglycemically active compounds of the present inventions are useful for treating insulin-dependent (type I) and/or non-insulin-dependent (type II) diabetes.
    Type: Grant
    Filed: June 6, 1995
    Date of Patent: May 5, 1998
    Assignee: Shaman Pharmaceuticals, Inc.
    Inventors: Wayne D. Inman, Steven Row King, Joseph L. Evans, Jian Luo
  • Patent number: 5734067
    Abstract: Providing a novel tricyclic, condensed heterocyclic compound having an anti-oxidative action and being promising for use in pharmaceutical agents, cosmetics, chemical products and the like. By chemical synthesis, a novel anti-oxidative, tricyclic, condensed heterocyclic compound represented by the following formula: ##STR1## (wherein X--Y represents CH.sub.2 --C.dbd.O, CH.sub.2 --CH.sub.2 or CH.dbd.CH; Z represents O, S, or S.dbd.O; R.sub.1 to R.sub.8 represent independently those selected from the group consisting of hydrogen atom, a hydroxyl group, a halogen group, a lower alkyl group, a lower alkoxyl group, a lower alkyl ketone group and CF.sub.3 ; and at least two of R.sub.1 to R.sub.4 are hydroxyl groups); and the salts thereof are provided. The compound has an anti-oxidative activity at the same degree as or higher than the activity of .alpha.
    Type: Grant
    Filed: March 4, 1997
    Date of Patent: March 31, 1998
    Assignee: Nippon Suisan Kaisha, Ltd.
    Inventors: Shuji Jinno, Yasuyo Kogure, Hiroyuki Onuki, Takaaki Okita
  • Patent number: 5723633
    Abstract: A pyran derivative has a structure ofR.sup.2 R.sup.3 C.dbd.(C.sub.5 H.sub.2 R.sup.1 O)--(CH.dbd.CH).sub.n --C.sub.6 H.sub.2 R.sup.6 R.sup.7 --NR.sup.4 R.sup.5wherein n is 3 or 4; R.sup.1 is a proton, alkyl or phenyl group; each of R.sup.2 and R.sup.3 is independently a cyano, alkoxycarbonyl having an alkyl, acyl having an alkyl, aracyl having phenyl, sulfonyl, aryl, or aryloxy; each of R.sup.4 and R.sup.5 is an alkyl group; and each of R.sup.6 and R.sup.7 is a proton, provided that R.sup.4 and R.sup.5 are alkyl groups, and a pair of R.sup.4 and R.sup.6 as well as a pair of R.sup.5 and R.sup.7 can be bonded to each other to form a heterocycle.A photosensitive composition comprises a polymerizable compound, a polymerization initiator and a photosensitizer which is the pyran derivative. A photosensitive resin composition comprises a crosslinkable polymer, a crosslinking agent and the photosensitizer.
    Type: Grant
    Filed: December 20, 1995
    Date of Patent: March 3, 1998
    Assignee: Canon Kabushiki Kaisha
    Inventors: Shin Kobayashi, Susumu Matsumura, Naosato Taniguchi, Yoko Yoshinaga, Toshiyuki Sudo, Hideki Morishima, Tadashi Kaneko
  • Patent number: 5723488
    Abstract: A compound of formula (I): ##STR1## wherein the broken lines represent independently optional bonds, R.sup.1 and R.sup.2 being absent when the C.sub.22 -C.sub.23 double bond is present.
    Type: Grant
    Filed: August 12, 1996
    Date of Patent: March 3, 1998
    Assignee: Pfizer Inc.
    Inventor: Nigel Derek Walshe
  • Patent number: 5721260
    Abstract: The present invention relates to novel N-substituted azaheterocyclic carboxylic acids and esters thereof in which a substituted alkyl chain forms part of the N-substituent or salts therefor, to methods for their preparation, to compositions containing them, and to their use for the clinical treatment of painful, hyperalgesic and/or inflammatory conditions in which C-fibers play a pathophysiological role by eliciting neurogenic pain or inflammation.
    Type: Grant
    Filed: April 4, 1996
    Date of Patent: February 24, 1998
    Assignee: Novo Nordisk A/S
    Inventors: Rolf Hohlweg, Knud Erik Andersen, Tine Krogh J.o slashed.rgensen, Peter Madsen, Henrik Sune Andersen
  • Patent number: 5719297
    Abstract: A vitamin D.sub.3 derivative represented by the following formula: ##STR1## wherein, R is, independently, a hydrogen atom, tri(C.sub.1 to C.sub.7 hydrocarbon)silyl group, C.sub.2 to C.sub.8 acyl group, or group forming an acetal bond together with an oxygen atom of a hydroxyl group, A is ##STR2## where, R.sup.1 is a methyl group or methylene group, and when R.sup.1 is a methylene group, the bond between the R.sup.1 and the 3-position of the lactone ring is a double bond, R.sup.2 is a hydrogen atom or C.sub.1 to C.sub.3 alkyl group, R.sup.3 is a hydrogen atom, or R.sup.2 and R.sup.3 together indicate a substitutable single methylene group.
    Type: Grant
    Filed: February 6, 1996
    Date of Patent: February 17, 1998
    Assignee: Teijin Limited
    Inventors: Masayasu Tabe, Atsuo Hazato, Kenji Manabe, Qingzhi Gao, Hiroko Tanaka
  • Patent number: 5719299
    Abstract: A process for the catalytic vapor-phase oxidation of ethylene with a molecular oxygen-containing gas, in a reactor comprising a multitude of reaction tubes containing a supported silver catalyst and surrounded by a heat-exchange fluid which enters the reactor in liquid form and leaves the reactor in vapor form, characterized in that between 5 and 100 wt % of the liquid heat-exchange fluid is introduced to the reactor at its downstream end, at a temperature which is at least 20.degree. C. below the temperature of the heat-exchange fluid on leaving the reactor.
    Type: Grant
    Filed: April 17, 1996
    Date of Patent: February 17, 1998
    Assignee: Shell Oil Company
    Inventor: Arend Jan Te Raa
  • Patent number: 5719310
    Abstract: The present invention relates to a new 3-aryl-4-hydroxy-.DELTA..sup.3 -dihydrofuranone derivatives of the general formula (I) ##STR1## in which the radicals A, B, G, X, Y, Z and n have the meaning given in the description, to a plurality of processes for their preparation, and to their use as pesticides.
    Type: Grant
    Filed: November 5, 1996
    Date of Patent: February 17, 1998
    Assignee: Bayer Aktiengesellschaft
    Inventors: Reiner Fischer, Thomas Bretschneider, Bernd-Wieland Kruger, Hans-Joachim Santel, Markus Dollinger, Ulrike Wachendorff-Neumann, Christoph Erdelen
  • Patent number: 5716599
    Abstract: The invention involves a cosmetic preparation containing kaolin which may be employed as a mask, lotion, gel or cream with a non-sticky, non-plasticized consistency and with a content of white kaolin with a high proportion of kaolinite and spherical inorganic particles of a particle size of less than 5 .mu.m, with a proportion of spherical particles in the kaolin mixture of 0.5 to 10% by weight as well as a cosmetic skin care composition, in which the proportion of the kaolin/spherical particle mixture falls within the range of over 2 to 65% by weight of the composition as a whole. The viscosity of the composition with the proportion of kaolin/spherical particles is around 2000 to over 15,000 cps higher than a similar composition with kaolin only and without spherical particles, with the difference in viscosity increasing with the proportion of kaolin/spherical particles.
    Type: Grant
    Filed: May 9, 1997
    Date of Patent: February 10, 1998
    Assignee: Lancaster Group GmbH
    Inventors: Karin Golz, Leonhard Zastrow, Klaus Stanzl, Alfred Braunagel