The Substituent Nitrogen Is Attached Indirectly To The Benzene Ring By Acyclic Nonionic Bonding Patents (Class 564/51)
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Patent number: 4767784Abstract: The invention relates to novel crystalline salts of aryloxypropanolamines with diphenylacetic acid, a process for their preparation and the use of these salts for the preparation of chemically pure aryloxy-propanolamines or pharmaceutically acceptable salts thereof.Type: GrantFiled: November 28, 1986Date of Patent: August 30, 1988Inventors: Gerhard Zolss, Gerhard Pfarrhofer
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Patent number: 4762949Abstract: Synthetically produced substantially pure biologically active compounds having the general formula ##STR1## wherein R.sub.1 is C.sub.1 -C.sub.20 alkyl, alkenyl, aryl, aralkyl, cycloalkyl, alkylcycloalkyl, cycloalkylalkyl, cycloalkenyl, alkylcycloalkenyl, or cycloalkenylalkyl;R.sub.2 is hydrogen, C.sub.1 -C.sub.10 alkyl or an amide-substituted alkyl having up to 10 carbon atoms;R.sub.3 is a cyclic, straight or branched chain hydrocarbon group having 2-12 carbon atoms, particularly --(CH.sub.2).sub.n --, wherein n is 2-12; orR.sub.2 and R.sub.3 are linked together to form an alkylene chain; andR.sub.4 is selected from ##STR2## (substituted or unsubstituted carbamimidoyl), ##STR3## (dimethylpyrimidyl), or ##STR4## (carbamyl) wherein each of R.sub.5, R.sub.6, and R.sub.7 is hydrogen or the same or different C.sub.1 -C.sub.8 alkyl group. The compounds are useful as bactericides for a wide variety of bacteria, including S.pyogenes, B.subtilis, K.pneumoniae, M.avium, B.fragilis, C.perfringens and C.albicans.Type: GrantFiled: January 24, 1983Date of Patent: August 9, 1988Assignee: University of Illinois FoundationInventors: Kenneth L. Rinehart, Jr., Guy T. Carter, Michael T. Cheng
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Patent number: 4743595Abstract: A process for efficiently preparing 2-amino-5-nitrophenol derivatives in which benzoxazole derivatives are subjected to nucleophilic substitution reaction at the 5 position thereof to obtain corresponding benzoxazole derivatives, and the oxazole ring of the benzoxazole derivatives is then subjected to ring-opening to obtain 2-amino-5-nitrophenol derivatives. The 2-amino-5-nitrophenol derivatives are useful as industrial starting materials, reducing agents or antioxidants and intermediates for cyan-image-forming couplers.Type: GrantFiled: June 12, 1985Date of Patent: May 10, 1988Assignee: Fuji Photo Film Co., Ltd.Inventors: Isamu Itoh, Mitsunori Ono, Hidetoshi Kobayashi, Kazuyoshi Yamakawa
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Patent number: 4730008Abstract: The invention provides compounds of the general formula (I) ##STR1## wherein Ar, R.sup.1, R.sup.2, X, Y and Q are defined in the specification and physiologically acceptable salts and solvates thereof.The compounds have a selective stimulant action at .beta..sub.2 -adrenoreceptors and may be used, inter alia, in the treatment of diseases associated with reversible airways obstruction such as asthma and chronic bronchitis.Type: GrantFiled: January 10, 1986Date of Patent: March 8, 1988Assignee: Glaxo Group LimitedInventors: Ian F. Skidmore, Harry Finch, Alan Naylor, Lawrence H. C. Lunts, Ian B. Campbell
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Patent number: 4720450Abstract: A method of thermal imaging is provided which comprises heating imagewise a layer of a colored di- or triarylmethane compound possessing within its di- or triarylmethane structure an aryl group substituted in the ortho-position to the meso carbon atom with a group comprising a thermally unstable urea moiety which fragments upon heating to provide a new group that bonds to the meso carbon atom whereby the di- or triarylmethane compound is rendered ring-closed and colorless in an imagewise pattern corresponding to said imagewise heating.Type: GrantFiled: May 15, 1986Date of Patent: January 19, 1988Assignee: Polaroid CorporationInventor: Ernest W. Ellis
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Patent number: 4704401Abstract: This invention relates to a method of lowering blood pressure in humans and mammals using 2,6-disubstituted phenyl amidinoureas in which the phenyl ring is additionally substituted by a hydroxy, alkoxy, aralkoxy, alkenyloxy, alkynyloxy, haloacyloxy, or acyloxy group and to novel 2,6-disubstituted phenyl amidinoureas which possess pharmaceutical properties, including blood pressure lowering activity.Type: GrantFiled: December 6, 1984Date of Patent: November 3, 1987Assignee: Rorer Pharmaceutical CorporationInventors: William L. Studt, Richard L. Riley, George H. Douglas
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Patent number: 4698333Abstract: Pesticidally active compounds of the formula ##STR1## in which R.sup.1 is an organic radical,R.sup.2 is hydrogen, trialkylsilyl, a hydrocarbon or acyl radical, andR.sup.3 and R.sup.4 independently are an amino, hydroxyl, hydroximino, alkoxy or like radical.Most of the compounds are new, as are various intermediates therefor.Type: GrantFiled: October 28, 1983Date of Patent: October 6, 1987Assignee: Bayer AktiengesellschaftInventors: Rudolf Fauss, Reinhard Lantzsch, Kurt Findeisen, Gerhard Jager, Ingeborg Hammann, Benedikt Becker, Bernhard Homeyer
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Patent number: 4657929Abstract: There are provided pharmaceutical compounds useful in treating hypertension, heart diseases and renal failure. These compounds are 4-hydroxy phenethylamines wherein the 3 position on the phenyl nucleus is occupied by either an amino, amide, carbamyl, urea sulfonamide, substituted alkyl or fluorine atom, and the amine group is further linked to another phenyl radical through an alkylene radical which may contain nitrogen, oxygen, sulfur or cyclic hydrocarbon radicals as intervening groups.Type: GrantFiled: October 18, 1984Date of Patent: April 14, 1987Assignee: Fisons plcInventors: Francis Ince, Alan C. Tinker
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Patent number: 4643763Abstract: The invention concerns novel compounds of the formula I ##STR1## wherein: m is an integer selected from 1 to 4;n is zero or an integer selected from 1 to 4;x are selected from halogen, nitro, cyano, alkyl, substituted alkyl, hydroxy, alkoxy, alkylthio, sulfamoyl, substituted sulfamoyl, amino, substituted amino, the group --(CH.sub.2).sub.p C(.dbd.A)Z in which p is zero or one A is oxygen or sulfur, and Z is hydrogen, hydroxy, alkoxy, alkylthio, alkyl, substituted alkyl, amino or substituted amino; the group --NHC(.dbd.B(NR.sup.7 R.sup.8 in which B is oxygen or sulfur and R.sup.7 and R.sup.8 are hydrogen or alkyl;R.sup.1 is selected from hydrogen, acyl and an inorganic or organic cation;R.sup.2 is selected from alkyl, substituted alkyl, alkenyl, haloalkenyl, alkynyl and haloalkynyl;R.sup.3 is selected from alkyl, fluoroalkyl, alkenyl, alkynyl, and phenyl; andR.sup.4 is selected from hydrogen, halogen, alkyl, cyano and alkoxycarbonyl.Type: GrantFiled: September 10, 1985Date of Patent: February 17, 1987Assignee: ICI Australia LimitedInventors: Graeme J. Farquharson, Keith G. Watson, Graham J. Bird
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Patent number: 4642378Abstract: Intraocular hypertensive diseases such as glaucoma are treated with compounds represented by formula I ##STR1## or a pharmaceutically acceptable acid addition salt thereof, wherein R.sub.1 is alkyl of two to four carbon atoms;R.sub.2 is --(CH.sub.2).sub.n --C.sub.6 H.sub.4 --R.sub.5 ; wheren is an integer from 1 to 4; andR.sub.5 is --H, --OH, halo, lower alkyl, lower alkoxy, ureido, lower alkyl-ureido, lower alkyl-amido, or formamido;R.sub.3 is hydro or hydroxy; andR.sub.4 is hydro, lower alkyl, amino, or lower alkylamino.Type: GrantFiled: April 11, 1985Date of Patent: February 10, 1987Assignee: Syntex (U.S.A.) Inc.Inventors: Robin D. Clark, L. David Waterbury
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Patent number: 4636511Abstract: Derivatives of 3-aminopropan-1,2-diol of the formula ##STR1## in which Ar represents optionally substituted aryl,n represents the number 0 or 1, andalk represents alkylene having 2 to 5 carbon atoms, the nitrogen atom and the oxygen atom, or, if n is zero, the phenyl radical, being separated from one another by at least two carbon atoms, andR.sub.1 and R.sub.2, independently of one another, each represents hydrogen or lower alkyl, or together they represent lower alkylene, oxa-lower alkylene, thia-lower alkylene, aza-lower alkylene or N-lower alkyl-aza-lower alkylene,and salts of such compounds, processes for their manufacture, medicaments containing the new compounds and their use for the treatment of Angina pectoris and cardiac arrhythmia, and as blood pressure-reducing agents, as well as for the treatment of reactive or endogenic states of depression.Type: GrantFiled: December 28, 1984Date of Patent: January 13, 1987Assignee: Ciba-Geigy AGInventors: Franz Ostermayer, Markus Zimmermann
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Patent number: 4554287Abstract: 7-[2-Dialkylamino)ethyl]-4-hydroxy-1,3-benzimidazol-2-ones are prepared by oxidative cyclization of a urea, followed by removal of protective groups. The compounds are D.sub.2 -agonists and, thereby, have anti-hypertensive activity. A species of the group is 7[2-N,N-di-n-propylamino)ethyl]-4-hydroxyl-1,3-benzimidazol-2-one.Type: GrantFiled: September 12, 1984Date of Patent: November 19, 1985Assignee: Smithkline Beckman CorporationInventors: Orum D. Stringer, Joseph Weinstock
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Patent number: 4545995Abstract: The novel unsaturated arylalkyl ammonium salts described herein are useful as antiarrhythmic agents. A method of treating arrhythmia by increasing the refractoriness of cardiac tissue is provided, as well as pharmaceutical formulations containing such ammonium salts.Type: GrantFiled: July 12, 1983Date of Patent: October 8, 1985Assignee: Schering A.G.Inventors: William C. Lumma, Jr., Ronald A. Wohl
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Patent number: 4529820Abstract: This invention relates to novel cyanourea compounds of the formula: ##STR1## wherein R is the organic moiety of a polyisocyanate remaining after reaction of the isocyanate groups to form cyanourea groups and n is at least 2. The compound can be polymerized at room temperature to form a polymer having the recurring structural formula: ##STR2## i.e., N,N'-biscarbamyl-N-cyanoguanidine units connected together through the R group of the carbamyl moiety and m is greater than 2, or can be cured to a thermoset material on heating above 90.degree. C.Type: GrantFiled: July 9, 1984Date of Patent: July 16, 1985Assignee: W. R. Grace & Co.Inventor: Shiow-Ching Lin
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Patent number: 4519834Abstract: The ethynyl-phenylureas of the formula I ##STR1## wherein X is hydrogen, halogen, lower alkyl, lower alkoxy, haloalkyl or nitro, Y is oxygen or sulfur, R.sub.1 is hydrogen, alkyl, alkoxy, alkenyl, phenyl or benzyl, R.sub.2 is hydrogen, alkyl, cycloalkyl, alkenyl, alkynyl or benzyl, R.sub.1 and R.sub.2 together with the nitrogen atom to which they are bound are also a pyrrolidine, piperidine, morpholino or piperazine ring, R.sub.3 is hydrogen or lower alkyl, and R.sub.4 is hydrogen, alkyl, phenyl, pyridyl, alkenyl, cycloalkyl or cycloalkenyl, are novel substances. They are characterized by strong herbicidal activity.Type: GrantFiled: July 11, 1983Date of Patent: May 28, 1985Assignee: Ciba-Geigy CorporationInventor: Henry Szczepanski
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Patent number: 4487779Abstract: This invention relates to a method of lowering blood pressure in humans and mammals using 2,6-disubstituted phenyl amidinoureas in which the phenyl ring is additionally substituted by a hydroxy, alkoxy, aralkoxy, alkenyloxy, alkynyloxy, haloacyloxy, or acyloxy group and to novel 2,6-disubstituted phenyl amidinoureas which possess pharmaceutical properties, including blood pressure lowering activity.Type: GrantFiled: July 6, 1981Date of Patent: December 11, 1984Assignee: William H. Rorer, Inc.Inventors: William L. Studt, Richard L. Riley, George H. Douglas
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Patent number: 4473579Abstract: Tetrasubstituted urea and thiourea compounds useful as antiatherosclerotic agents, compositions thereof and processes for their preparation.Type: GrantFiled: January 26, 1982Date of Patent: September 25, 1984Assignee: American Cyanamid CompanyInventors: Vern G. Devries, Ransom B. Conrow
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Patent number: 4425362Abstract: The compounds of formula I, ##STR1## wherein the substituents have various significances, and physiologically acceptable hydrolyzable derivatives thereof having the hydroxy group in the 2 position of the 3-aminopropoxy side chain in esterified form, are useful as cardioselective .beta.-adrenoceptor blocking agents.Type: GrantFiled: November 4, 1981Date of Patent: January 10, 1984Assignee: Sandoz Ltd.Inventors: Richard Berthold, William J. Louis
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Patent number: 4410697Abstract: The invention relates to a new method for the preparation of N-aryl-N'-(mono- or disubstituted)-urea derivatives having the general formula (I), ##STR1## wherein Aryl is an optionally substituted phenyl group, andR.sup.1 and R.sup.2 each stand for an optionally substituted alkyl, cycloalkyl, alkoxy or phenyl group, orR.sup.1 and R.sup.2 may form, together with the adjacent nitrogen atom, a nitrogen-containing heterocyclic group which may contain a further hetero atom, orone of R.sup.1 and R.sup.2 may also stand for hydrogen,with the proviso that if one of R.sup.1 and R.sup.2 is an optionally substituted phenyl group, the other may represent only hydrogen atom or an optionally substituted alkyl or alkoxy group,by reacting a carbamate of the general formula (II) with an amine of the general formula (III),R.sup.1 R.sup.2 N--CO--X (II)Aryl--NH.sub.2 (III)or a carbamate of the general formula (IV) with an amine of the general formula (V),Aryl--NH--CO--X (IV)R.sup.1 R.sup.2 NH (V)wherein R.sup.1, R.sup.Type: GrantFiled: August 28, 1981Date of Patent: October 18, 1983Assignee: Reanal FinomvegyszergyarInventors: Sandor Torok, Lajos Voroshazy, Peter Galambos, Ivan Daroczi, Zoltan Ormenyi
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Patent number: 4396627Abstract: Compounds having the formula: ##STR1## where R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5, Y and X are as defined hereinbelow, are useful for the reduction of abnormally high blood glucose and lipid levels in the treatment of obesity or hyperglycaemia.Type: GrantFiled: March 15, 1982Date of Patent: August 2, 1983Assignee: Beecham Group LimitedInventors: Anthony T. Ainsworth, David G. Smith
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Patent number: 4387106Abstract: Methods of treating atherosclerosis with di(aralkyl) ureas and di(aralkyl)thioureas, compositions thereof and processes for their preparation.Type: GrantFiled: January 26, 1982Date of Patent: June 7, 1983Assignee: American Cyanamid CompanyInventors: Vern G. De Vries, Elwood E. Largis
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Patent number: 4387105Abstract: Method of treating atherosclerosis with dialkylureas and dialkylthioureas, compositions thereof and processes for their preparation.Type: GrantFiled: January 26, 1982Date of Patent: June 7, 1983Assignee: American Cyanamid CompanyInventors: Vern G. DeVries, Elwood E. Largis
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Patent number: 4376646Abstract: Novel ureas of the formula I have herbicidal activity and are suitable in small applied amounts for selectively combating weeds in cultivated crops of soya-bean, maize and cereals. They are advantgeously produced by the isocyanate method and correspond to the formula I ##STR1## wherein R.sub.1 is an unsubstituted or substituted C.sub.1 -C.sub.6 -alkyl, C.sub.2 -C.sub.6 -alkenyl, C.sub.2 -C.sub.6 -alkynyl, aralkyl, phenyl, acyl or C.sub.1 -C.sub.4 -alkylsulfonyl group or an aminoalkyl group,R.sub.2 is hydrogen, halogen, C.sub.1 -C.sub.4 -alkyl or C.sub.1 -C.sub.4 -alkoxy,R.sub.3 is hydrogen, halogen, cyano or trifluoromethyl,R.sub.4 is hydrogen, C.sub.1 -C.sub.6 -alkyl, C.sub.2 -C.sub.6 -alkenyl, C.sub.2 -C.sub.6 -alkynyl or C.sub.1 -C.sub.6 -alkoxy,R.sub.5 is hydrogen, C.sub.1 -C.sub.6 -alkyl or C.sub.2 -C.sub.6 -alkenyl, or R.sub.5 together with R.sub.4 and the nitrogen atom to which they are bound also form a 5-6-membered heterocycle, andX is oxygen, sulfur or the sulfinyl or sulfonyl group.Type: GrantFiled: March 6, 1981Date of Patent: March 15, 1983Assignee: Ciba-Geigy CorporationInventors: Otto Rohr, Georg Pissiotas
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Patent number: 4338333Abstract: The compounds of formula (II): ##STR1## in which R.sub.1 is a hydrogen, fluorine, chlorine or bromine atom or a hydroxyl, hydroxymethyl, methyl, methoxyl, amino, formamido, acetamido, methylsulphonylamido, nitro, benzyloxy, methylsulphonylmethyl, ureido, trifluoromethyl or p-methoxybenzylamino group; R.sub.2 is a hydrogen, fluorine, chlorine or bromine atom or a hydroxyl group; R.sub.3 is a hydrogen, chlorine or bromine atom or a hydroxyl group, R.sub.4 is a hydrogen atom or a methyl group; R.sub.5 is a hydrogen atom or a methyl group; R.sub.6 is a hydrogen, fluorine or chlorine atom or a methyl, methoxyl or hydroxy group; X is an oxygen atom or a bond; Y is an alkylene group of up to 6 carbon atoms or a bond; and Z is an alkylene, alkenylene or alkynylene group of up to 10 carbon atoms, have been found to possess anti-obesity and/or anti-hyperglycaemic activity.Type: GrantFiled: June 9, 1980Date of Patent: July 6, 1982Assignee: Beecham Group LimitedInventors: Anthony T. Ainsworth, David G. Smith
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Patent number: 4337272Abstract: New compounds of the formula ##STR1## are disclosed wherein R.sub.1 =H, linear or branched alkyl-radical with from 1 to 6 carbon atoms, cycloalkyl radical with from 3 to 6 carbon atoms, alkylphenyl radical where the phenyl group may be in turn substituted with a hydroxy or methoxy group;R.sub.2 =hydroxy, hydromethylR.sub.3 =H, alkyl with 1-4 carbon atoms, formyl, carboalkyl where the alkyl groups have 1-3 carbon atoms, carboamido group simple or mono- or di-substituted on the nitrogen atom with alkyl radicals containing 1-3 carbon atoms.The new compounds are useful in the treatment of bronchial affections. They are endowed with unique properties in that they provide the desired bronchial dilation effect without any concomitant cardiac stimulation.Type: GrantFiled: October 2, 1980Date of Patent: June 29, 1982Assignee: Valeas S. R. L. Industria Chimica E FarmaceuticaInventors: Virgilio Bernareggi, Giuseppe Crespi, Giuseppe Bugada
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Patent number: 4309443Abstract: A compound of the formula (I): ##STR1## or a pharmaceutically acceptable ester, amide or salt thereof wherein R.sub.1 is a hydrogen, fluorine, chlorine or bromine atom or a hydroxyl, hydroxymethyl, methyl, methoxyl, amino, formamido, acetamido, methylsulphonylamido, nitro, benzyloxy, methylsulphonylmethyl, ureido, trifluoromethyl or p-methoxybenzylamino group; R.sub.2 is a hydrogen, fluorine, chlorine or bromine atom or a hydroxyl group; R.sub.3 is a hydrogen, chlorine or bromine atom or a hydroxyl group; R.sub.4 is a hydrogen, chlorine or fluorine atom or a methyl, methoxyl or hydroxyl group or a carboxylic acid group or a salt, ester or amide thereof; R.sub.5 is a hydrogen atom or a methyl group; R.sub.6 is a hydrogen atom or a methyl group; R.sub.7 is a hydrogen atom or a methyl or ethyl group; R.sub.Type: GrantFiled: September 3, 1980Date of Patent: January 5, 1982Assignee: Beecham Group LimitedInventors: David G. Smith, Anthony T. Ainsworth
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Patent number: 4307072Abstract: Nonionic triiodobenzoyl amino acyl derivatives of polyhydroxy amines. Such amines are useful as nonionic X-ray contrast agents. For Example 2-(3-acetamido-2,4,6-triiodo-5-N-methylacetamidobenzoyl glycylamino)-2-deoxy-D-glucitol is especially useful in angiography.Type: GrantFiled: July 19, 1977Date of Patent: December 22, 1981Assignee: Mallinckrodt, Inc.Inventor: Kenneth R. Smith
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Patent number: 4289903Abstract: There are provided certain p-phenylalkoxy phenylurea and thiourea compounds useful for the control of undesirable plants in the presence of agronomic crops and to methods for the preparation of said phenylalkoxy phenylurea and thiourea compounds.Type: GrantFiled: June 25, 1979Date of Patent: September 15, 1981Assignee: American Cyanamid CompanyInventors: David M. Spatz, Barrington Cross
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Patent number: 4287211Abstract: Novel derivatives of phenylethylamine, having general formula: ##STR1## wherein R is hydrogen or a lower alkyl, are disclosed, to be used in the therapy of diseases of the digestive apparatus, particularly gastric and/or duodenal ulcers. The novel derivatives of phenylethylamine are prepared(a) from a compound of formula (II) ##STR2## by reaction with potassium cyanate, in the presence of an organic acid; (b) from the compound of formula (II) which is converted to the corresponding phenylcarbonic derivative by reacting with phenylchloroformiate and then with ammonia(c) from a compound of formula (IV) ##STR3## which is converted to a compound of formula (V), the latter being converted to the desired derivatives (I) by treatment with aqueous alkali.Type: GrantFiled: December 28, 1979Date of Patent: September 1, 1981Assignee: Simes, S.p.A.Inventors: Giorgio Ferrari, Vittorio Vecchietti
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Patent number: 4284572Abstract: Copolymerizable blocked isocyanate diols are prepared by reacting a blocking agent with an isocyanate group of an organic diisocyanate under controlled conditions, thereby forming a blocked isocyanate group, and reacting the second isocyanate group in a subsequent step with the amine portion of a selected amine diol under anhydrous conditions. The resultant products are used to prepare self-crosslinkable, linear polyurethanes of high molecular weight.Type: GrantFiled: December 15, 1978Date of Patent: August 18, 1981Assignee: National Starch and Chemical CorporationInventors: Henry Stanley, Dilip K. Ray-Chaudhuri
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Patent number: 4281188Abstract: This invention provides benzodiazepine derivatives of the general formula ##STR1## wherein R.sup.1 represents a lower alkyl group, R.sup.2 represents a hydrogen atom or a lower alkyl group, R.sup.3 represents a halogen atom and R.sup.4 represents a hydrogen or halogen atom and either R.sup.5 represents a hydrogen atom or a lower alkyl group and R.sup.6 represents a lower alkyl, lower hydroxyalkyl or lower acyloxyalkyl group or R.sup.5 represents a hydrogen atom and R.sup.6 represents an aryl or lower aralkyl group or R.sup.5 and R.sup.6 together with the nitrogen atom to which they are attached represent a 3-membered to 7-membered heterocycle which, when it is at least 5-membered, can contain as a ring member an oxygen or sulphur atom or a group of the formula >N--R.sup.7 in which R.sup.Type: GrantFiled: September 11, 1980Date of Patent: July 28, 1981Assignee: Hoffmann-La Roche Inc.Inventors: Albert E. Fischli, Andre Szente
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Patent number: 4279637Abstract: This invention discloses chemical compounds of the formula ##STR1## wherein X and Z are each independently selected from the group consisting of halogen, haloalkyl, nitro, cyano, alkyl, alkoxy and alkylthio; m and n are each independently integers of from 0 to 4; Y is selected from the group consisting of oxygen, sulfur, methylene, sulfonyl and sulfinyl; and R is selected from the group consisting of hydrogen, alkyl and alkoxy. The compounds of the above description are useful as herbicides.Type: GrantFiled: May 29, 1980Date of Patent: July 21, 1981Assignee: Velsicol Chemical CorporationInventor: Frank Wu
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Patent number: 4265907Abstract: Insecticidal compounds having the formula: ##STR1## wherein R is halogen (Cl, F, Br), C.sub.1 -C.sub.4 alkyl, NO.sub.2, C.sub.1 -C.sub.4 alkoxy, C.sub.1 -C.sub.4 alkylthio, cyano, CF.sub.3, CF.sub.3 O, CF.sub.3 S, ClF.sub.2, CHF.sub.2 O, or CHF.sub.2 S; n is 0, 1, or 2; R.sub.1 is C.sub.1 -C.sub.4 alkyl, C.sub.3 -C.sub.6 cycloalkyl, or C.sub.2 -C.sub.4 alkenyl; and R.sup.2 is hydrogen, cyano, formyl, C.sub.1 -C.sub.4 acyl, C.sub.1 -C.sub.4 carboalkoxy, carbamoyl, N-C.sub.1 -C.sub.4 alkylcarbamoyl, or N,N-di C.sub.1 -C.sub.4 alkylcarbamoyl.Type: GrantFiled: December 31, 1979Date of Patent: May 5, 1981Assignee: Mobil Oil CorporationInventor: Jill H. Paul
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Patent number: 4252824Abstract: New compounds of the formula ##STR1## are disclosed wherein R.sub.1 =H, linear or branched alkyl-radical with from 1 to 6 carbon atoms, cycloalkyl radical with from 3 to 6 carbon atoms, alkylphenyl radical where the phenyl group may be in turn substituted with a hydroxy or methoxy group;R.sub.2 =hydroxy, hydromethylR.sub.3 =H, alkyl with 1-4 carbon atoms, formyl, carboalkyl where the alkyl groups have 1-3 carbon atoms, carbomido group simple or mono- or di-substituted on the nitrogen atom with alkyl radicals containing 1-3 carbon atoms.The new compounds are useful in the treatment of bronchial affections. They are endowed with unique properties in that they provide the desired bronchial dilation effect without any concomitant cardiac stimulation.Type: GrantFiled: November 10, 1976Date of Patent: February 24, 1981Assignee: Valeas S.R.L., Industria Chimica e FarmaceuticaInventors: Virgilio Bernareggi, Giuseppe Crespi, Giuseppe Bugada
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Patent number: 4247476Abstract: Disclosed are novel polymeric quaternary ammonium salts containing specific di-tertiary amino substituted cationic recurring units. Said salts are useful as dyeing and finishing agents, especially for dyeing textile materials, such as polyacrylonitrile fiber materials, as dispersing agents and emulsifiers, as antistatic, antimicrobial and flocculating agents and as precipitants.Type: GrantFiled: June 1, 1978Date of Patent: January 27, 1981Assignee: Ciba-Geigy CorporationInventors: Jaroslav Haase, Ulrich Horn, Hans-Ulrich Berendt