Patents Examined by David B. Springer
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Patent number: 5776970Abstract: Tryptophan derivatives substituted by a hydrophobic group, e.g. carbobenzoxy, at the N-terminus, and a hydrophilic group, e.g. --COOH, --SO.sub.3 H or --PO.sub.3 H, at the C-terminus, were found to be cell-permeable blockers of protein tyrosine kinases (PTKs). These PTK blockers are useful in basic research and in the treatment of neoplastic diseases.Type: GrantFiled: April 28, 1994Date of Patent: July 7, 1998Assignees: Yeda Research and Development Co. Ltd., Yissum Research Development Co.Inventors: Yoram Shechter, David Naor
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Patent number: 5767286Abstract: 1,4-Disubstituted-5(4H)-tetrazolinones of the formula (I) ##STR1## wherein R.sup.1, R.sup.2 and R.sup.3 have the meanings given in the specification), which are known to be useful as herbicides, can be obtained in very good yields by reacting the corresponding 1-substituted-5(4H)-tetrazolinones with the corresponding carbamoyl chlorides in the presence of 4-dimethylaminopyridine.Type: GrantFiled: September 23, 1994Date of Patent: June 16, 1998Assignee: Nihon Bayer Agrochem K. K.Inventors: Akihiko Yanagi, Yukiyoshi Watanabe, Shin-ichi Narabu
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Patent number: 5719287Abstract: The present invention provides novel HIV protease inhibitors, pharmaceutical formulations containing those compounds and methods of their use.Type: GrantFiled: May 24, 1995Date of Patent: February 17, 1998Assignee: Eli Lilly and CompanyInventors: Stephen W. Kaldor, Marlys Hammond
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Patent number: 5684163Abstract: A process for the preparation of a N-)ortho-alkylphenyl)-imide of the formula ##STR1## in which R.sup.1 to R.sup.9 is defined in the specification which comprises reacting a cyclic anhydride of the formula ##STR2## wherein R.sup.6 to R.sup.9 are difined in the specification with an amine of the formula ##STR3## optionally in the presence of an acid catalyst and optionally in the presence of a solvent which is immiscible or only slightly miscible with water but can form an azeotrope with water, at a temperature between 100.degree. to 200.degree. C. under conditions so that the water formed during the reaction is removed from the reaction mixture without the addition of a polymerization inhibitor or a dipolar solvent. The final products are used as intermediates to prepare heat-stable plastics as well as intermediates to prepare pharmaceutical and agricultural chemicals.Type: GrantFiled: February 5, 1996Date of Patent: November 4, 1997Assignee: Bayer AktiengesellschaftInventors: Torsten Groth, Bernd-Michael Konig, Josef Kasbauer, Michael Schwamborn
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Patent number: 5674641Abstract: A battery module includes a number of electrically connected electrochemical cells. In a preferred embodiment, the battery includes multi-cell batteries in which electrodes are separated from different potential electrodes by a layer of polymer electrolyte. The battery module is formed from a number of multi-cell batteries stacked on top of one another, the electrodes of each multi-cell being electrically connected to one another, and the different potential electrodes of each multi-cell being electrically connected to one another so that a battery module having desired power characteristics is formed. The battery module includes electrically conductive spacers for electrically connecting tabs on the electrodes to tabs on other electrodes and tabs on the different potential electrodes to tabs on other different potential electrodes and for preventing damage to the tabs or the electrodes or different potential electrodes from bending the tabs excessively.Type: GrantFiled: October 29, 1992Date of Patent: October 7, 1997Assignee: Valence Technology, Inc.Inventor: Scot Stacey Cheu
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Patent number: 5663123Abstract: This invention relates to an earth stabilization fluid and to a method for using such an earth stabilization fluid. This invention uses a continuous phase that has been added to a borehole and a polymer material that forms gel masses having desired functional properties when added to the continuous phase.Type: GrantFiled: February 1, 1995Date of Patent: September 2, 1997Assignee: KB Technologies Ltd.Inventors: K. Gifford Goodhue, Jr., Max M. Holmes
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Patent number: 5663171Abstract: The present invention is directed to certain compounds of the general structural formula: ##STR1## wherein R.sub.1, R.sub.1a, R.sub.2a, R.sub.3, R.sub.3a, R.sub.4, R.sub.5, R.sub.6, A, W, and n are as defined herein. These compounds promote the release of growth hormone in humans and animals. This property can be utilized to promote the growth of food animals to render the production of edible meat products more efficient, and in humans, to treat physiological or medical conditions characterized by a deficiency in growth hormone secretion, such as short stature in growth hormone deficient children, and to treat medical conditions which are improved by the anabolic effects of growth hormone. Growth hormone releasing compositions containing such compounds as the active ingredient thereof are also disclosed.Type: GrantFiled: March 3, 1995Date of Patent: September 2, 1997Assignee: Merck & Co., Inc.Inventors: Meng Hsin Chen, Gregori J. Morriello, Ravi Nargund, Arthur A. Patchett, Lihu Yang
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Patent number: 5661014Abstract: Enantiomeric glutarimides such as aminoglutethimide and rogletimide are prepared by cyclisation of a corresponding ester-nitrile which is a good substrate for biotransformation with an enantiospecific esterase.Type: GrantFiled: May 30, 1995Date of Patent: August 26, 1997Assignee: Chiroscience LimitedInventors: Christopher Thomas Evans, Raymond McCague, Stephen John Clifford Taylor
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Patent number: 5659063Abstract: The invention herein is directed to a process for producing a lactam of the formula ##STR1## from a methionine analog of the formula ##STR2## by treating the methionine analog with trimethylsulfonium halide or trimethylsulfoxonium halide in the presence of a base in a suitable aprotic solvent.The invention herein is further directed to the preparation of amidinophenyl pyrrolidinyl .beta.-alanine urea analogs using such methionine and lactam compounds as intermediates, which .beta.-alanine urea analogs are useful as antithrombotics.Type: GrantFiled: June 6, 1995Date of Patent: August 19, 1997Assignee: G. D. Searle & Co.Inventors: Norman Anthony Abood, Daniel Lee Flynn, Scott Anthony Laneman, Roger Nosal, Lori Ann Schretzman
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Patent number: 5654260Abstract: This invention concerns a corrosion-inhibitor nominally comprised of a phenolic compound and a hydroxide-bearing compound capable of imparting a pH of 9 to water, the inclusion thereof in aerated water-based fluids and foams, and the use of these fluids in wellbore applications; particularly applications conducted at elevated temperatures.Type: GrantFiled: June 2, 1995Date of Patent: August 5, 1997Assignee: Phillips Petroleum CompanyInventor: Yulin Wu
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Patent number: 5650428Abstract: An arylsulfonamide derivative of the formula (I): ##STR1## wherein R.sup.1 is unsubstituted phenyl or naphthyl, or phenyl substituted by 1 to 3 same or different substituents selected from the group consisting of halogen, alkyl, nitro and alkoxy, R.sup.2 is straight, branched, or branched cyclic alkyl with 1 to 15 carbon atoms, phenyl, phenyloxyl, phenyloxy substituted by one or more halogen atoms, cycloalkyl with 5 to 7 carbon atoms, indolyl, alkylthiol with 1 to 4 carbon atoms, hydroxyl, protected hydroxyl, imidazolyl, pyridyloxyl, or --OSO.sub.2 R.sup.4, R.sup.4 is straight or branched alkyl with 1 to 15 carbon atoms, or unsubstituted phenyl or thienyl, or phenyl or thienyl substituted by 1 to 3 same or different substituents of halogen, alkyl, nitro and alkoxy, R.sup.3 is hydrogen or straight or branched alkyl with 1 to 20 carbon atoms, n is an integer of 0 to 10, p is an integer of 0 to 10, X is a group of the formula--(CH.sub.2)m-A-(CH.sub.Type: GrantFiled: February 28, 1995Date of Patent: July 22, 1997Assignee: NKK CorporationInventors: Masayuki Ohmori, Shin-Ichi Sawamura, Takehiro Yamamoto, Yoshiko Kawada, Shihoko Maeda, Takeshi Yago, Akihiro Nakajima, Masatsugu Mizuguchi, Yasuo Miyoshi
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Patent number: 5650374Abstract: Herbicidal 1-cyclopropyl tetrazolinones of the formula ##STR1## wherein X represents C.sub.1-3 alkyl, C.sub.2-4 alkenyl or halogen,n represents 0 to 5,R.sup.1 and R.sup.2 each independently represents C.sub.1-6 alkyl, C.sub.2-6 alkenyl, C.sub.2-6 alkynyl, C.sub.3-7 cycloalkyl which may optionally be substituted by C.sub.1-3 alkyl, epoxy-C.sub.3-5 alkan-1-yl, phenyl which may optionally be substituted, or aralkyl which may optionally be substituted, orR.sup.1 and R.sup.2 together with the N-atom to which they are attached, represent a cyclic ring which may be substituted, and some novel intermediates therefor.Type: GrantFiled: November 7, 1995Date of Patent: July 22, 1997Assignee: Nihon Bayer Agrochem K.K.Inventors: Toshio Goto, Yoshinori Kitagawa, Seishi Ito, Katsuhiko Shibuya, Kazuhiro Ukawa, Yoshiko Kyo
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Patent number: 5646171Abstract: An angiotensin II antagonist of the formula: ##STR1## in which: R.sub.p.sup.1 represents hydrogen, C.sub.1 -C.sub.6 alkyl, C.sub.3 -C.sub.6 cycloalkyl or C.sub.1 -C.sub.6 alkanoyl; R.sub.p.sup.2 represents a single bond, C.sub.1 -C.sub.4 alkylene or C.sub.1 -C.sub.4 alkylidene; R.sub.p.sup.3 and R.sub.p.sup.4 are independently selected from the group consisting of hydrogen and C.sub.1 -C.sub.6 alkyl; R.sub.p.sup.5 represents hydrogen, C.sub.1 -C.sub.4 alkyl, phenyl, naphthyl, benzyl, diphenylmethyl, naphthylmethyl, alkanoyloxyalkyl, cycloalkanecarbonyloxyalkyl, alkoxycarbonyloxyalkyl, cycloalkyloxycarbonyloxyalkyl, (5-phenyl-2-oxo-1,3-dioxolen-4-yl)methyl, (5-alkyl-2-oxo-1,3-dioxolen-4-yl)methyl or phthalaidyl; R.sub.p.sup.6 represents a carboxy or a tetrazol-5-yl; and X.sub.p represents an oxygen or sulfur, and pharmaceutically acceptable salts thereof. The compounds have hypotensive activity and can thus be used for the treatment and prophylaxis of hypertension.Type: GrantFiled: June 5, 1995Date of Patent: July 8, 1997Assignee: Sankyo Company, LimitedInventors: Hiroaki Yanagisawa, Yoshiya Amemiya, Yasuo Shimoji, Takuro Kanazaki, Hiroyuki Koike, Toshio Sada
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Patent number: 5646164Abstract: The present inventors have discovered three classes of novel .alpha.-methylene-.gamma.-butyrolactones with excellent antiplatelet activity. As a result of intensive studies, it has been found that compounds represented by the formula I-III are potent inhibitors of platelet aggregation. ##STR1## For the formula I, R.sub.1 is a methyl, a phenyl group optionally substituted with one or two group selected from halide, (C.sub.1 -C.sub.4) alkyl, (C.sub.1 -C.sub.4) alkoxy, phenyl, nitro, amino.For the formula II, R.sub.1 is a methyl, a phenyl group optionally substituted with one or two group selected from halide, (C.sub.1 -C.sub.4) alkyl, (C.sub.1 -C.sub.4) alkoxy, phenyl, nitro, amino; R.sub.2 represents hydrogen, halide, (C.sub.1 -C.sub.4) alkyl, phenyl, nitro, amino; R.sub.3 represents hydrogen, halide, (C.sub.1 -C.sub.4) alkyl, phenyl, nitro, amino.For the formula III, R.sub.1 is a methyl, a phenyl group optionally substituted with one or two group selected from halide, (C.sub.1 -C.sub.4) alkyl, (C.sub.1 -C.Type: GrantFiled: November 14, 1995Date of Patent: July 8, 1997Assignee: National Science CouncilInventors: Cherng-Chyi Tzeng, Yeh-Long Chen, Tai-Chi Wang, Che-Ming Teng
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Patent number: 5646162Abstract: Oxy-phenyl-(phenyl)gycinolamides with heterocyclic substituents are prepared by reaction of the corresponding oxyphenylcarboxylic acids with heterocyclic substituents with phenylglycinol. The new substances are suitable as active compounds in medicaments, in particular in agents having an antiatherosclerotic action.Type: GrantFiled: December 1, 1995Date of Patent: July 8, 1997Assignee: Bayer AktiengesellschaftInventors: Ulrich Muller, Richard Connell, Siegfried Goldmann, Klaus-Helmut Mohrs, Siegfried Raddatz, Michael Matzke, Rudi Grutzmann, Martin Beuck, Stefan Wohlfeil, Hilmar Bischoff, Dirk Denzer
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Patent number: 5646300Abstract: There are disclosed neuroprotective compounds having the formula ##STR1## wherein the moieties are defined in the specification, and processes for making them.Type: GrantFiled: June 1, 1995Date of Patent: July 8, 1997Assignee: Hoechst Marion Roussel, Inc.Inventors: Raymond W. Kosley, Jr., Denise M. Flanagan, Lawrence L. Martin, Peter A. Nemoto
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Patent number: 5643878Abstract: Compounds of formula I ##STR1## or their hydroxy-protected derivatives, and compounds of formula I' ##STR2## wherein T is an acyl radical of formula Z ##STR3## wherein R.sup.z is unsubstituted or substituted hydrocarbyl wherein at least one carbon atom has been replaced by a hetero atom with the proviso that a hetero atom is not bonded directly to the carbonyl to which the radical R.sup.z is bonded, alkyl having two or more carbon atoms, lower alkenyl, lower alkynyl, aryl or unsubstituted or substituted amino, and wherein the radicals R.sub.1, B.sub.1, R.sub.2, R.sub.3, A.sub.1, A.sub.2 and NR.sub.4 R.sub.5 are as defined in the description, and precursors thereof, are described. The compounds have pharmaceutical activity, for example in the treatment of retroviral diseases, such as AIDS.Type: GrantFiled: March 8, 1994Date of Patent: July 1, 1997Assignee: Ciba-Geigy CorporationInventors: Guido Bold, Marc Lang, Alexander Fassler, Hans-Georg Capraro, Shripad Bhagwat, Peter Schneider, Peter van Hoogevest
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Patent number: 5641798Abstract: This invention provides novel bicyclic compounds which are useful as excitatory amino acid receptor antagonists and in the treatment of neurological disorders. This invention also provides intermediates useful in the synthesis of excitatory amino acid antagonists.Type: GrantFiled: June 1, 1995Date of Patent: June 24, 1997Assignee: Eli Lilly and CompanyInventor: James A. Monn
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Patent number: 5641787Abstract: The present invention accordingly provides the use of a compound of formula I, or a pharmaceutically acceptable salt thereof or a prodrug thereof: ##STR1## wherein R.sup.1 represents hydrogen or C.sub.1-6 alkyl;Z represents --CH.sub.2 -- or --CH.sub.2 CH.sub.2 --;R.sup.2 represents hydrogen, C.sub.1-6 alkyl, C.sub.1-6 alkoxy, aryl(C.sub.1-6)alkyl or halogen;R.sup.3, R.sup.4 and R.sup.5 independently represent hydrogen, hydrocarbon, a heterocyclic group, halogen, cyano, trifluoromethyl, nitro, --OR.sup.a, --SR.sup.a, --SOR.sup.a, --SO.sub.2 R.sup.a, --SO.sub.2 NR.sup.a R.sup.b, --NR.sub.a R.sup.b, --NR.sup.a COR.sup.b, --NR.sup.a CO.sub.2 R.sup.b, --COR.sup.a, --CO.sub.2 R.sup.a or --CONR.sup.a R.sup.b ; andR.sup.a and R.sup.b independently represent hydrogen, hydrocarbon or a heterocyclic group;for the manufacture of a medicament for the treatment and/or prevention of psychotic disorders such as schizophrenia.Type: GrantFiled: September 12, 1995Date of Patent: June 24, 1997Assignee: Merck, Sharp & Dohme Ltd.Inventors: Ian Michael Mawer, Howard Barff Broughton, Janusz Jozef Kulagowski, Paul David Leeson
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Patent number: 5641800Abstract: A class of novel 1H-indole-1-functional compounds is disclosed together with the use of such indole compounds for inhibiting sPLA.sub.2 mediated release of fatty acids for treatment of conditions such as septic shock. The compounds are 1H-indole-1-acetamides, 1H-indole-1-acetic acid hydrazides, and 1H-indole-1-glyoxylamides.Type: GrantFiled: April 13, 1995Date of Patent: June 24, 1997Assignee: Eli Lilly and CompanyInventors: Nicholas J. Bach, Robert D. Dillard, Susan E. Draheim