Patents Examined by Lenora Miltenberger
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Patent number: 5225563Abstract: A photochromatic compound represented by the following general formula (I): ##STR1## where: R.sub.1 and R.sub.2 independently represent a linear, branched or cyclic C1-C10 alkyl radical, H, OH, F, Cl, Br, NH.sub.2, N(R.sub.4).sub.2, COOH, OR.sub.4 or COOR.sub.4 where R.sub.4 is a C1-C10 linear, branched or cyclic alkyl radical, or an aryl radical;R.sub.3 is a variously substituted mono or polycondensed heterocyclic or aryl radical.A compound (I) demonstrates marked photochromatic characteristics both when in an organic solvent solution and when incorporated into polymer matrices.Type: GrantFiled: December 18, 1990Date of Patent: July 6, 1993Assignee: Enichem Synthesis S.p.A.Inventors: Carlo Neri, William Giroldini, Antonio Rinaldi, Luciana Crisci
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Patent number: 5225431Abstract: The present invention is concerned with compounds of formula (I) ##STR1## wherein R, R.sup.1 and R.sup.2 are independently selected from hydrogen and C.sub.1-4 alkyl;R.sup.3 and R.sup.4 are independently selected from hydrogen, C.sub.1-6 alkyl (including cycloalkyl) and aryl (wherein the alkyl or aryl group, which latter includes benzyl, is optionally substituted by one or more atoms or groups independently selected from halogen, C.sub.1-4 alkyl and aryl), provided R.sup.3 benzyl or substituted benzyl when R.sup.4 =H;m is an integer of from 0 to 2;n is an integer of from 0 to 3;(W) is a group of formula (i), (ii), (iii), or (iv) ##STR2## wherein Y is selected from oxygen, methylene and >N--R.sup.5, where R.sup.5 is hydrogen, C.sub.1-4 alkyl, or benzyl, Z and Z' are independently selected from >C.dbd.O, >C.dbd.Type: GrantFiled: February 26, 1991Date of Patent: July 6, 1993Assignee: Burroughs Wellcome Co.Inventors: Alan D. Robertson, Graeme R. Martin, Janet S. Buckingham
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Patent number: 5223525Abstract: The invention describes novel 1-arylimidazoles of formula (I) ##STR1## wherein typically preferred substituents are: X is S(O).sub.n R.sub.1, in which R.sub.1 is an alkyl group, preferably a methyl group, which is fully substituted by halogen atoms, and n is 0, 1 and 2;Y is hydrogen, halogen, alkyl, alkoxy, alkoxyalkylideneimino, alkylsulfenyl, alkylsulfinyl or alkylsulfonyl;Z is hydrogen, halogen, alkyl, preferably methyl; andR.sub.2, R.sub.3, R.sub.4, R.sub.5 and R.sub.6 are individually hydrogen, halogen or an unsubstituted or halo-substituted alkyl, alkoxy, alkylsulfenyl, alkylsulfinyl or alkylsulfonyl.The invention further describes intermediates and processes to make the compounds, compositions of the compounds, and methods of use of the compounds for the control of arthropods (especially mites, aphids or insects), nematodes, helminths, or protozoa.Type: GrantFiled: October 31, 1990Date of Patent: June 29, 1993Assignee: Rhone-Poulenc AG CompanyInventors: Tai-Teh Wu, David N. Sinodis, Philip R. Timmons, Gail S. Powell, David T. Chou, Peter W. Newsome, Lee S. Hall
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Patent number: 5214061Abstract: This invention relates to p-acylaminophenoxycarbamates having the formula ##STR1## where R.sub.1 and R.sub.2 are each independently hydrogen, loweralkyl, aryl and arylloweralkyl; R.sub.3 is hydrogen, loweralkyl, arylloweralkyl; R.sub.4 is hydrogen, loweralkyl, formyl, alkylcarbonyl, arylloweralkyl, phenylcarbonyl, arylloweralkylcarbonyl, substituted phenylcarbonyl, pyridylcarbonyl, and substituted pyridylcarbonyl with the proviso that if R.sub.4 contains a carbonyl group directly attached to the oxygen of the N-O moiety, R.sub.3 cannot be hydrogen; or R.sub.3 and R.sub.4 taken together from a heterocyclic ring selected from the group consisting of imidazole or loweralkylimidazole; X is hydrogen, halogen, hydroxy, loweralkyl, loweralkoxy, nitro, amino or trifluoromethyl; and p is an integer selected from 0 and 1; the pharmaceutically acceptable acid addition salts thereof, and where applicable, the geometric and stereoisomers and racemic mixtures thereof.Type: GrantFiled: February 18, 1992Date of Patent: May 25, 1993Assignee: Hoechst-Roussel Pharmaceuticals Inc.Inventors: Richard C. Allen, Raymond W. Kosley, Jr., Bettina Spahl
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Patent number: 5214063Abstract: A compound of formula (I): ##STR1## in which R, R.sub.1 and R.sub.2 are as defined in the description. Medicinal product, which is useful in treating disorders related to a dysfunction of GABA.sub.B receptors.Type: GrantFiled: July 28, 1992Date of Patent: May 25, 1993Assignee: Adir et CompagnieInventors: Michel Debaert, Pascal Berthelot, Claude Vaccher
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Patent number: 5200453Abstract: An ophthalmic formulation comprising a salt of sepazonium or a similar imidazolium compound as a preservative is provided.Type: GrantFiled: September 17, 1990Date of Patent: April 6, 1993Assignee: Iolab CorporationInventor: Herwig J. Janssen
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Patent number: 5196545Abstract: Process for the preparation of allantoin in a two-stage reaction by reaction of methyl glyoxylate methyl hemiacetal with urea in the presence of an inorganic acid at a pH-value of 1.0-2.0 and carrying out the ring-closure reaction at a pH-value of 7.0 to 9.0 in a second reaction stage.Type: GrantFiled: May 30, 1991Date of Patent: March 23, 1993Assignee: Chemie Linz Gesellschaft m.b.H.Inventors: Karl Schermanz, Klaus Fitzinger
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Patent number: 5182405Abstract: A process for the preparation of 1,3-disubstituted imidazolium salts that comprises reaction of an .alpha.-dicarbonyl compound, an aldehyde, an amine and an acid is disclosed.Type: GrantFiled: September 18, 1991Date of Patent: January 26, 1993Assignee: E. I. Du Pont de Nemours and CompanyInventor: Anthony J. Arduengo, III
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Patent number: 5164512Abstract: A triarylimidazole derivative of the formula: ##STR1## wherein X is O or S; Y is an arylsulfonyl group, an alkyl group, etc.; R.sup.2, R.sup.3 and R.sup.4 are independently an aryl group, etc., is stable in water or a buffer solution, high in measuring sensitivity and is suitable as an oxidizable color producing reagent for determining hydrogen peroxide, etc. generated by enzymatic reaction in a living body sample.Type: GrantFiled: June 19, 1990Date of Patent: November 17, 1992Assignee: Wako Pure Chemical Industries, Ltd.Inventors: Kazunari Hashizume, Haruhiko Sugiyama
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Patent number: 5158981Abstract: A antiandrogenic compositions comprising an anti-androgenically effective amount of at least one compound of the formula ##STR1## wherein R is alkyl of 1 to 4 carbon atoms, R.sub.1 is alkyl of 1 to 2 carbon atoms, R.sub.2 is selected from the group consisting of hydrogen, alkyl of 1 to 8 carbon atoms optionally interrupted with a heteroatom, alkenyl and alkynyl of 2 to 8 carbon atoms optionally interrupted with a heteroatom, formyl and acyl of an organic carboxylic acid of 2 to 18 carbon atoms, R.sub.3 is selected from the group consisting of hydrogen, alkyl of 1 to 4 carbon atoms and alkenyl and alkynyl of 2 to 4 carbon atoms, R.sub.4 is selected from the group consisting of hydrogen and alkyl of 1 to 4 carbon atoms, the dotted lines indicate optional presence of a double bond between the 4(5) and 5a(6) carbons and the wavy line indicates that R.sub.4 may be in the .alpha.- or .beta.Type: GrantFiled: March 30, 1990Date of Patent: October 27, 1992Assignee: Roussel UclafInventors: Marie-Madeleine Bouton, Jean Jacques, Andre Pierdet
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Patent number: 5158949Abstract: Compounds of formula (I): ##STR1## wherein n is 2 or 3;p is 0, 1 or 2;q is 0, 1 or 2;X is oxygen or S(O).sub.t where t is 0, 1 or 2;each R.sup.1 is independently halo, lower alkyl, lower alkoxy, or trifluoromethyl;each R.sup.2 is independently halo or lower alkyl;R.sup.3 is nitro or --N(R.sup.5)R.sup.6 whereR.sup.5 is hydrogen or lower alkyl;R.sup.6 is hydrogen lower alkyl, lower alkylsulfonyl or --C(Y)R.sup.7 where Y is oxygen or sulfur and R.sup.7 is hydrogen, lower alkyl, lower alkoxy or --N(R.sup.8)R.sup.9 where R.sup.8 is hydrogen or lower alkyl and R.sup.9 is hydrogen, lower alkyl or lower alkoxycarbonyl; orR.sup.5 and R.sup.6 together with N is pyrrolidino, piperidino, morpholino, thiomorpholino or piperazino, wherein the piperazino is optionally substituted at the 4-position by --N(O)R.sup.10 where R.sup.10 is hydrogen, lower alkyl, lower alkoxy or amino; andR.sup.Type: GrantFiled: December 20, 1990Date of Patent: October 27, 1992Assignee: Syntex (U.S.A.) Inc.Inventors: Keith A. Walker, Pamela M. Burton, David C. Swinney
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Patent number: 5158954Abstract: Fungicidal compounds of the formula (I): ##STR1## and stereoisomers thereof, wherein K is oxygen or sulphur; Z is optionally substituted aryl or optionally substituted heteroaryl; X is O, S(O).sub.n, NR.sup.4, CR.sup.1 R.sup.2, CHR.sup.5, CO, CR.sup.1 (OR.sup.2), C.dbd.CR.sup.1 R.sup.2, CHR.sup.1 CHR.sup.2, CR.sup.1 .dbd.CR.sup.2, CHR.sup.1 CR.sup.2 .dbd.CH, C.dbd.C, OCHR.sup.1, CHR.sup.1 O, OCHR.sup.1 O, S(O).sub.n CHR.sup.1, S(O).sub.n CHR.sup.1 O, CHR.sup.1 S(O).sub.n, CHR.sup.1 OSO.sub.2, NR.sup.4 CHR.sup.1, CHR.sup.1 NR.sup.4, CO.sub.2, O.sub.2 C, SO.sub.2 O, OSO.sub.2, CO.CO, COCHR.sup.1, COCHR.sup.1 O, CHR.sup.1 CO, CHOH.CHR.sup.1, CHR.sup.1.CHOH, ##STR2## CONR.sup.4, OCONR.sup.4, NR.sup.4 CO, CSNR.sup.4, OCS.NR.sup.4, SCO.NR.sup.4, NR.sup.4 CO.sub.2, NR.sup.4 CS, NR.sup.4 CSO, NR.sup.4 COS, NR.sup.4 CONR.sup.4, S(O).sub.n NR.sup.4, NR.sup.4 S(O).sub.n, CS.sub.2, S.sub.2 C, CO.S, SCO, N.dbd.N, N.dbd.CR.sup.1, CR.sup.1 .dbd.N, CHR.sup.1 CHR.sup.2 CH(OH), CHR.sup.1 OCO, CHR.sup.1 SCO, CHR.sup.1 NR.sup.Type: GrantFiled: October 15, 1990Date of Patent: October 27, 1992Assignee: Imperial Chemical Industries PLCInventors: John M. Clough, Christopher R. A. Godfrey, Stephen P. Heaney, Kenneth Anderton
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Patent number: 5159083Abstract: This invention encompasses compounds of the formula: ##STR1## where X, Y, Z, T, R.sub.1, R.sub.3, R.sub.4, and R.sub.5 are variables representing various organic and inorganic substituents;M is ##STR2## R.sub.2 and R.sub.6 represent hydrogen or alkyl substituents; or R.sub.1 and R.sub.2 together may represent --(CH.sub.2).sub.n1 where n.sub.1 is 1, 2, or 3; orNR.sub.4 R.sub.5 represents substituted or unsubstituted-tetrahydroisoquinolinyl; or ##STR3## where n is 1, 2, or 3; W is N or CH; and R.sub.7 represents hydrogen or aryl; or W--R.sub.7 is oxygen or sulfur.These compounds are highly selective partial agonists or antagonists at brain dopamine receptor subtypes or prodrugs thereof and are useful in the diagnosis and treatment of affective disorders such as schizophrenia and depression as well as certain movement disorders such as Parkinsonism. Futhermore compounds of this invention may be useful in treating the extraparamidyl side effects associated with the use of conventional neuroleptic agents.Type: GrantFiled: December 28, 1990Date of Patent: October 27, 1992Assignee: Neurogen CorporationInventors: Andrew Thurkauf, Alan J. Hutchison
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Patent number: 5157124Abstract: Heterocyclic acetylenic amine compounds having the following structural formula ##STR1## having cholinergic agonist or antagonist activity useful in the treatment of mental disorders, extrapyramidal motor disorders, disorders of theparasympathetic nervous system and glaucoma or as analgesics for the treatment of pain. Typical central nervous system disorders for which the subject compounds can be used include cognitive disorders of all ages, including senile dementia, Alzheimer's disease and other related disorders. The compounds are particularly developed to improve mental performance when a mental deficiency is diagnosed.Type: GrantFiled: March 19, 1992Date of Patent: October 20, 1992Assignee: The Upjohn CompanyInventors: Malcolm W. Moon, Richard F. Heier
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Patent number: 5153214Abstract: The present invention is concerned with compounds of formula I ##STR1## wherein A, B, M, R, Ar and Het are as defined in the specification, pharmaceutically acceptable ester and amide derivatives thereof; N-oxides thereof, tetrazole derivatives thereof, and salts thereof. These compounds have valuable pharmacological activities, especially as inhibitors of thromboxane synthetase and as receptor antagonists of thromboxane A.sub.2 and prostaglandin H.sub.2.Type: GrantFiled: December 26, 1990Date of Patent: October 6, 1992Assignee: Ciba-Geigy CorporationInventors: Shripad S. Bhagwat, Alan J. Main, Herman R. Rodriguez
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Patent number: 5151526Abstract: The chemical 4-[1-(1-naphthalenyl)ethyl]-1H-imidazole and a method of mak the same.Type: GrantFiled: August 2, 1991Date of Patent: September 29, 1992Assignee: The United States of America as represented by the Secretary of the ArmyInventors: Fu-Lian Hsu, William P. Ashman
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Patent number: 5149359Abstract: The present invention relates to derivatives of 3,4-dehydropiperidin-5-one having herbicidal activity. The derivatives have the formula ##STR1## as defined in the claims. The present invention further relates to a herbicidal composition and a method for controlling weeds which grow among agricultural crops.Type: GrantFiled: February 21, 1990Date of Patent: September 22, 1992Assignee: Agrimont S.p.A.Inventors: Giovanni Camaggi, Giovanni Meazza, Ciro Preziuso
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Patent number: 5149707Abstract: The invention relates to 1-[(2-Fluorophenyl)(4-fluorophenyl)phenylmethyl]-1H-imidazole, useful as antifungal agent.Type: GrantFiled: December 14, 1990Date of Patent: September 22, 1992Assignee: J. Uriach & Cia, S.A.Inventors: Javier Bartroli, Manuel Anquita
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Patent number: 5145857Abstract: HMG-COA reductase-inhibiting compounds of the formula ##STR1## in which X represents a group of the formula --CH.sub.2 --CH.sub.2 -- or --CH.dbd.CH--,R represents a group of the formula ##STR2## R.sup.1 represents optionally substituted aryl, R.sup.2 represents --CH.sub.2 OR.sup.8 or --X--R, andR.sup.5 represents straight-chain or branched alkyl having up to 10 carbon atoms, orand their pharmaceutically acceptable salts.Type: GrantFiled: August 15, 1990Date of Patent: September 8, 1992Assignee: Bayer AktiengesellschaftInventors: Peter Fey, Rolf Angerbauer, Walter Hubsch, Thomas Philipps, Hilmar Bischoff, Dieter Petzinna, Delf Schmidt
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Patent number: 5145983Abstract: A process for the production of N-acylimidazoles by the reaction of a carboxylic anhydride with carbonyl-diimidazole is disclosed. The products are useful as chemical intermediates.Type: GrantFiled: May 3, 1991Date of Patent: September 8, 1992Assignee: E. I. Du Pont de Nemours and CompanyInventor: Michael West