Patents Examined by Catherine S. Kilby Scalzo
  • Patent number: 5066669
    Abstract: A novel biphenyl derivative of the formula: ##STR1## wherein Ring A is a substituted or unsubstituted sulfur-containing or oxygen-containing heteromonocyclic ring; Ring B is a ring of the formula: ##STR2## each of R.sup.1 and R.sup.3 is hydrogen atom, a halogen atom or a lower alkoxy group, or R.sup.1 is hydrogen atom, and R.sup.2 and R.sub.3 are combined together to form a lower alkylenedioxy group; R.sup.4 is a lower alkyl group which may have a substituent selected from a lower alkoxy group and a lower alkoxycarbonyl group; Y is methylene group or carbonyl group, and a pharmaceutically acceptable salt thereof are disclosed. Said derivative and a pharmaceutically acceptable salt thereof are useful as a therapeutic or prophylactic agent for hepatic diseases.
    Type: Grant
    Filed: March 7, 1990
    Date of Patent: November 19, 1991
    Assignee: Tanabe Seiyaku Co., Ltd.
    Inventors: Tameo Iwasaki, Masaki Sugiura, Yuzo Matsuoka, Mamoru Matsumoto, Kazuyuki Kitamura
  • Patent number: 5064657
    Abstract: Methods and compositions for blocking various channels and receptors within an organism are provided. For example, a toxin was isolated from the Argiope aurantia spider. This toxin was found to have a reversible effect on excitatory amino acid receptors. Another toxin having a molecular weight of from approximately 5,000 to approximately 7,000 daltons was isolated from the Hololena curta spider. This toxin was found to have an irreversible effect on excitatory amino acid receptors.The present invention further relates to methods of treating heart and neurological diseases by applying the toxins isolated and identified. In particular, the low molecular weight toxin from Agelenopsis aperta may provide a treatment of certain heart conditions such as arrhythmia, angina, hypertension, and congestive heart failure. In addition, the toxins may provide beneficial effects on certain neuological conditions including seizures.
    Type: Grant
    Filed: May 11, 1990
    Date of Patent: November 12, 1991
    Assignee: University of Utah
    Inventors: J. R. Hunter Jackson, Thomas N. Parks
  • Patent number: 5061720
    Abstract: Disclosed are novel substituted 4-thiazolidinone derivatives having cyclooxygenase and 5-lipoxygenase inhibiting properties and which are topical antiinflammatory agents for inflammed conditions of the skin having the formula: ##STR1## wherein R is hydrogen or loweralkyl; R.sup.1 is loweralkyl or aryl; X is --(CH.sub.2)-aryl, --O--(CH.sub.2).sub.0-3 -aryl, --C(O)(CH.sub.2).sub.0-3 -aryl, --CH(OH)--(CH.sub.2).sub.0-3 -aryl or 3,4 ##STR2## (to form naphthyl ring); aryl is phenyl, substituted phenyl, or 2,3 or 4 pyridyl; W is oxygen; Q is -(alk.sup.1).sub.0-1 --(O).sub.0-1 --(B).sub.0-1 --(alk.sup.2).sub.0-1 --[C(O)Z].sub.0-1 ; B is ##STR3## Z is OR.sup.3 or NR.sup.4 R.sup.5 where R.sup.3 is hydrogen, loweralkyl, or a pharmaceutically acceptable metal cation, R.sup.4 and R.sup.5 are hydrogen or loweralkyl; alk.sup.1 and alk.sup.
    Type: Grant
    Filed: September 13, 1989
    Date of Patent: October 29, 1991
    Assignee: A. H. Robins Company, Inc.
    Inventors: David A. Walsh, Ibrahim M. Uwaydah
  • Patent number: 5061599
    Abstract: A radiation-sensitive material comprising a polyacid composed of tungsten and niobium, titanium and/or tantalum. A uniform film can be formed by an easy spin coating method. The polyacid has a radiation sensitivity higher than that of a polyacid comprising only tungsten.
    Type: Grant
    Filed: January 5, 1990
    Date of Patent: October 29, 1991
    Assignee: Hitachi, Ltd.
    Inventors: Tetsuichi Kudo, Akira Ishikawa, Hiroshi Okamoto, Katsuki Miyauchi, Takao Iwayanagi, Fumio Murai, Shinji Okazaki
  • Patent number: 5059695
    Abstract: The stereochemical structure necessary for preparation of perpendicularly arranged cores is provided by a compound of the formula ##STR1## wherein X is a reactive group through which polymeric subunits can be bonded to the compound. In particular, X is advantageously Br. This compound can be synthesized by the reaction of tetrakis(3'-trimethylsilyl-2'-propynyl)silane with zirconocene dichloride and n-butyllithium and adding sulfur monochloride to the reaction product. This produces an adduct in which X is SiMe.sub.3. This adduct may be converted to the bromo compound by reaction with bromine. The tetrakis(3'-trimethylsilyl-2-propynyl)silane may be prepared by forming a magnesium Grignard reagent from 3-bromo-1-trimethylsilylpropyne and reacting the Grignard reagent with silicon tetrachloride.
    Type: Grant
    Filed: March 12, 1990
    Date of Patent: October 22, 1991
    Assignee: The University of South Carolina
    Inventors: James M. Tour, Ruilian Wu, Jeffry S. Schumm
  • Patent number: 5059590
    Abstract: Disclosed are imidazole derivatives represented by formula [I]: ##STR1## wherein R is a hydrogen atom or ##STR2## wherein R.sup.2 is a hydrogen atom or a hydroxy protecting group, R.sup.2 protecting either a single hydroxy or two hydroxies together when R.sup.2 is a hydroxy protecting group, and R.sup.3 is a hydrogen atom or OR.sup.2 ; A is CONH.sub.2 or CN; and R.sup.1 is a hydrogen atom, lower alkyl, hydroxy lower alkyl, or phenyl.Also disclosed are six processes for producing these novel compounds among which a typical process comprises reacting a starting imidazole compound having a halogen at the 5-position thereof with an acetylene derivative to alkynylate the 5-position.Furthermore, the compounds having remarkable antitumor activities and therefore can provide novel antitumor agents.
    Type: Grant
    Filed: February 28, 1989
    Date of Patent: October 22, 1991
    Assignees: Yamasa Shoyu Kabushiki Kaisha, Sumitomo Pharmaceuticals Company Limited
    Inventors: Tohru Ueda, Akira Matsuda, Noriaki Minakawa, Takuma Sasaki, Yoshikazu Yanagi
  • Patent number: 5055228
    Abstract: A process for the preparation of a stable emulsion of at least one water-immiscible liquid phase L in an aqueous phase D is described which comprises mixing the liquid phase or phases L with a dispersion of spheres in an aqueous phase D, the spheres having an average diameter of 0.025 to 5 microns and consisting of substantially concentric lipid laminae encapsulating an aqueous phase E between them, the lipid or lipids constituting the laminae being ionic or nonionic amphiphilic substances capable of forming a lamellar phase in water, and subjecting the whole to mechanical agitation so as to disperse the phase (or phases) L in the phase D in the form of droplets having an average diameter of 0.1 micron to a few microns.
    Type: Grant
    Filed: March 14, 1988
    Date of Patent: October 8, 1991
    Assignee: L'Oreal
    Inventors: Arlette Zabotto, Jacqueline Griat, Rose-Marie J. Handjani, Guy G. Vanlerberghe, Alain J. Ribier
  • Patent number: 5055229
    Abstract: A durable, effective foam suppressant composition produced through free-radical polymerization of mixtures of polydiorganosiloxanes, silica and a free radical polymerization initiator, and optionally, vinyl monomer(s) and pendant vinyl modified silicone oil, followed by dilution of the resulting reaction product with a low viscosity polysiloxane is disclosed. Also disclosed are methods for its production and use in suppressing foams in liquid mediums.
    Type: Grant
    Filed: January 3, 1989
    Date of Patent: October 8, 1991
    Assignee: Union Carbide Chemicals and Plastics Technology Corporation
    Inventors: Robert H. Pelton, Errol D. Goddard
  • Patent number: 5047556
    Abstract: The invention relates to photoinitiators having a combined structure ##STR1## and their use as photoinitiators in the photopolymerization of ethylenically unsaturated compounds or binder systems containing them.
    Type: Grant
    Filed: August 8, 1989
    Date of Patent: September 10, 1991
    Assignee: Merck Patent Gesellschaft mit beschrankter Haftung
    Inventors: Manfred Kohler, Jorg Ohngemach
  • Patent number: 5045546
    Abstract: Novel 8-azabicyclo[3.2.1]octylalkylthiazolidinones of the formula ##STR1## where R.sup.1, R.sup.2, R.sup.3, R.sup.4, m, x and y are defined herein, process for the preparation thereof, and methods of treating psychoses and alleviating pain employing compounds and compositions thereof are disclosed.
    Type: Grant
    Filed: October 26, 1990
    Date of Patent: September 3, 1991
    Assignee: Hoechst-Roussel Pharmaceuticals Inc.
    Inventors: Nicholas J. Hrib, John G. Jurcak
  • Patent number: 5045551
    Abstract: Retinoid-like activity is exhibited by compounds of the formula ##STR1## where X is S, O or NR'; where R' is hydrogen or lower alkyl; R.sub.1, R.sub.2 and R.sub.3 are hydrogen or lower alkyl; R.sub.4 and R.sub.5 are hydrogen or lower alkyl with the proviso that R.sub.4 and R.sub.5 cannot both be hydrogen, A is pyridyl, thienyl, furyl, pyridazinyl, pyrimidinyl, pyrazinyl, thiazolyl or oxazolyl; n is 0-5, and B is H, --COOH or a pharmaceutically acceptable salt, ester or amide thereof, --CH.sub.2 OH or an ether or ester derivative, or --CHO or an acetal derivative, or --COR.sub.1 or a ketal derivative where R.sub.1 is --(CH.sub.2).sub.m CH.sub.3 where m is 0-4, or a pharmaceutically acceptable salt thereof.
    Type: Grant
    Filed: September 19, 1989
    Date of Patent: September 3, 1991
    Assignee: Allergan, Inc.
    Inventor: Roshantha A. S. Chandraratna
  • Patent number: 5045561
    Abstract: Furan sulfonamides with a saturated heterocycle fused thereto are carbonic anhydrase inhibitors useful in the treatment of elevated intraocular pressure.
    Type: Grant
    Filed: April 12, 1990
    Date of Patent: September 3, 1991
    Assignee: Merck & Co., Inc.
    Inventors: John J. Baldwin, Gerald S. Ponticello, Harold G. Selnick
  • Patent number: 5043155
    Abstract: The present invention relates to emulsion compositions and methods for preparing these emulsion compositions which employ amphipathic emulsifying agents and high shear polymeric emulsion techniques and which may be used for the preparation of a great variety of emulsion compositions. In particular, the method provides for the preparation of hybrid products which effectively cleanse and also leave a highly protective substantive residue on the skin.
    Type: Grant
    Filed: May 31, 1990
    Date of Patent: August 27, 1991
    Assignee: Richardson-Vicks Inc.
    Inventors: Eugene Puchalski, George Deckner, Emil F. Schneider
  • Patent number: 5041687
    Abstract: This invention relates to the process for preparing partially brominated non-condensed ring polyaromatic product. The process comprises forming a reaction mass by adding a substantially stoichiometric amount of Br.sub.2 to a mixture comprising a non-condensed ring polyaromatic, a solvent selected from a group consisting of methylene dibromide, methylene dichloride and mixtures thereof, and a catalyst selected from the group consisting of zirconium halide, iron, ferric chloride and mixtures thereof, the reaction mass being maintained at a temperature within the range of from about 10.degree. to about 50.degree. C. during at least substantially all of the addition; refluxing the reaction mass after the addition is completed or at least nearly completed; and recovering from the reaction mass the partially brominated non-condensed ring polyaromatic product.
    Type: Grant
    Filed: May 26, 1988
    Date of Patent: August 20, 1991
    Assignee: Ethyl Corporation
    Inventors: Bonnie G. McKinnie, David R. Brackenridge
  • Patent number: 5041674
    Abstract: 1-Chloro-3,5-difluorobenzene is chlorinated to give 4,6-difluoro-1,2,3-trichlorobenzene which in turn is nitrated and reduced to the corresponding novel aniline, 2,6-difluoro-3,4,5-trichloroaniline. Further reduction of this aniline provides 2,6-difluoroaniline with high selectivity.
    Type: Grant
    Filed: June 14, 1990
    Date of Patent: August 20, 1991
    Assignee: DowElanco
    Inventors: R. Garth Pews, James A. Gall
  • Patent number: 5039700
    Abstract: Aminoalkoxyphenyl derivatives useful in the treatment of certain pathological syndromes of the cardiovascular system of formula: ##STR1## in which: B represents a --S--, --SO-- or --SO.sub.2 -- group,R.sub.1 and R.sub.2, which are identical or different, each denote hydrogen, a methyl or ethyl radical or a halogen,A denotes a straight- or branched-alkylene radical having from 2 to 5 carbon atoms or a 2-hydroxypropylene radical, in which the hydroxy is optionally substituted by a lower alkyl radical,R.sub.3 denotes an alkyl radical or a radical of formula:--Alk--R.sub.5in which Alk denotes a single bond or a linear- or branched-alkylene radical having from 1 to 5 carbon atoms and R.sub.5 denotes a phenyl, 2,3-methylenedioxyphenyl or 3,4-methylenedioxyphenyl radical or a phenyl group substituted with one or more substituents, which may be identical or different, selected from halogen atoms, lower alkyl groups or lower alkoxy groups,R.sub.
    Type: Grant
    Filed: March 19, 1990
    Date of Patent: August 13, 1991
    Assignee: Sanofi
    Inventors: Jean Gubin, Pierre Chatelain, Marcel Descamps, Dino Nisato, Henri Inion, Jean Lucchetti, Jean-Marie Mahaux, Jean-Noel Vallat
  • Patent number: 5035478
    Abstract: A material for an optical component comprising polytungstic acid having peroxo groups, and an optical component, at least part of which is constituted of a thin film of the above-mentioned material. By using this material, a thin film of an inorganic material having an excellent stability is formed by the inexpensive wet painting method. An optical component using the above-mentioned thin film can be formed on an arbitrary substrate with high accuracy at a low temperature of about 100.degree. C. or below. The polytungstic acid may contain carbon as a heteroatom and/or may have Nb, Ti, V, Ta and/or Mo substituted for part of W.
    Type: Grant
    Filed: August 14, 1990
    Date of Patent: July 30, 1991
    Assignee: Hitachi, Ltd.
    Inventors: Akira Ishikawa, Yukio Ito, Hiroshi Okamoto, Tetsuichi Kudo, Katsuki Miyauchi
  • Patent number: 5036056
    Abstract: Methods for treating damaged corneal, uterine or cartilage tissue comprising applying a therapeutically effective amount of a composition comprising:(a) a sterile extracellular connective tissue matrix composition comprising collagens, proteoglycans, glycosaminoglycans and glycoproteins wherein said collagens, said proteoglycans, said glycosamino glycans, and said glycoproteins have each been extracted from an extracellular connective tissue matrix and are in their native structural form and(b) a pharmaceutically acceptable carrier.
    Type: Grant
    Filed: March 27, 1990
    Date of Patent: July 30, 1991
    Inventor: Martin Kludas
  • Patent number: 5036083
    Abstract: The invention concerns a 1,2-dihydro-3H-indazol-3-one derivative of formula I ##STR1## wherein Ra is hydrogen, halogeno, hydroxy, cyano, trifluoromethyl, 1-6C)alkyl or (1-6C)alkoxy;Rb is hydrogen or (1-6C)alkyl;Rc is hydrogen, (1-8C)alkyl or (3-8C)alkenyl; andY is (1-8C)alkyl, (3-8C)alkenyl or (3-8C)alkynyl, or Y is a group of the formula --A--Q in which A is (1-6C)alkylene or (3-6C)alkenylene, and Q is phenyl, naphthyl, pyridyl, thienyl, isoxazolyl, thiazolyl or thiadiazolyl, which may optionally bear one or two substituents;or a pharmaceutically-acceptable salt thereof;or a (12-4C)alkoxycarbonyl derivative thereof.The invention also concerns processes for the manufacture of an indazol-3-one of the formula I and pharmaceutical compositions containing said indazol-3-one. Also included in the invention is a method of treating various inflammatory or allergic diseases using an indazol-3-one of the formula I and the use of such a compound in the production of a new medicament for such use.
    Type: Grant
    Filed: June 30, 1989
    Date of Patent: July 30, 1991
    Assignees: ICI Pharma, Imperial Chemical Industries PLC
    Inventor: Pierre A. R. Bruneau
  • Patent number: 5034537
    Abstract: This invention relates to (R)-.alpha.-methyl-4-halobenzenemethanamine salts of epimers of acids of the formula ##STR1## and the use of these salts to separate these epimers. These acids are leukotriene antagonists.
    Type: Grant
    Filed: February 8, 1990
    Date of Patent: July 23, 1991
    Assignee: SmithKline Beecham Corporation
    Inventor: James S. Frazee