Patents Examined by Lisa Jones
  • Patent number: 4207320
    Abstract: Amino-substituted imidazo[1,2-a:3,4-a']diquinolin-15-ium salts having the formula I: ##STR1## wherein R.sub.1 is hydrogen, lower alkyl, C.sub.4 -C.sub.6 cycloalkyl, di(lower alkyl)amino, 1-azetidinyl, 1-pyrrolidinyl, 1-piperidinyl, methyl-1-pyrrolidinyl, methyl-1-piperidinyl, 4-morpholinyl or 2,2-dimethylhydrazino;R.sub.2 is hydrogen, lower alkyl, lower alkylamino, di(lower alkyl)amino, C.sub.4 -C.sub.6 cycloalkylamino, lower alkoxy(lower alkyl)amino, 1-azetidinyl, 1-pyrrolidinyl, 1-piperidinyl, methyl-1-pyrrolidinyl, methyl-1-piperidinyl, hexahydro-1H-azepin-1-yl, 4-morpholinyl, benzylamino, N-methylbenzylamino or 2-phenylethylamino;R.sub.3 is hydrogen or methyl;X is an anion;with the proviso that at least one of R.sub.1 and R.sub.2 is other than hydrogen, lower alkyl or C.sub.4 -C.sub.6 cycloalkyl; and with the further proviso that when R.sub.2 is dimethylamino, at least one of R.sub.1 and R.sub.3 is other than hydrogen, and intermediates used in the preparation thereof are disclosed.
    Type: Grant
    Filed: August 28, 1978
    Date of Patent: June 10, 1980
    Assignee: Warner-Lambert Company
    Inventors: David B. Capps, Mario M. Angelo, Townley P. Culbertson
  • Patent number: 4206122
    Abstract: Derivatives of pyrrolidinecarboxaldehyde and piperidinecarboxaldehyde, and intermediates therefor, which have the general formula ##STR1## wherein R is hydrogen, lower alkanoyl or ##STR2## R.sub.1 is hydrogen or lower alkyl; R.sub.2 is hydrogen or hydroxy;R.sub.3 is hydroxymethyl, di(lower alkoxy)methyl or formyl;n is 1 or 2;and their bisulfite addition products, are useful as hypotensive agents.
    Type: Grant
    Filed: April 14, 1978
    Date of Patent: June 3, 1980
    Assignee: E. R. Squibb & Sons, Inc.
    Inventors: Sesha I. Natarajan, Miguel A. Ondetti
  • Patent number: 4204061
    Abstract: This invention relates to phenol sulfam(na)phthaleins possessing a ##STR1## wherein R is selected from methyl, unsubstituted or substituted with one or two halo groups and phenyl, unsubstituted or substituted with alkyl, dimethylamino or nitro substituted on the N atom of the sulfam(na)phthalein ring, which compounds find utility as photographic optical filter agents and filter agent precursors.
    Type: Grant
    Filed: September 23, 1977
    Date of Patent: May 20, 1980
    Assignee: Polaroid Corporation
    Inventors: Stanley M. Bloom, Alan L. Borror, James W. Foley
  • Patent number: 4204002
    Abstract: Microbicidally active compounds of the formula I ##STR1## wherein R.sub.1 represents alkyl of 1 to 4 carbon atoms, alkoxy of 1 to 4 carbon atoms or halogen, R.sub.2 represents hydrogen, alkyl of 1 to 3 carbon atoms, alkoxy of 1 to 4 carbon atoms or halogen, R.sub.5 represents hydrogen, alkyl of 1 to 3 carbon atoms or halogen, R.sub.6 represents hydrogen or methyl, the total number of carbon atoms of the substituents R.sub.1, R.sub.2, R.sub.5 and R.sub.6 in the phenyl ring not exceeding 8, X represents --CH.sub.2 -- or ##STR2## R'.sub.3 represents --COOR' or ##STR3## wherein each of R', R" and R'" independently represents hydogen, methyl, or ethyl, and R.sub.4 represents alkyl of 1 to 6 carbon atoms, which is unsubstituted or substituted by cyano (--CN) or rhodano (--SCN), alkenyl of 2 to 5 carbon atoms or cycloalkyl of 3 to 7 carbon atoms.
    Type: Grant
    Filed: March 13, 1978
    Date of Patent: May 20, 1980
    Assignee: Ciba-Geigy Corporation
    Inventor: Adolf Hubele
  • Patent number: 4204065
    Abstract: Soft quaternary surface active agents having the formula: ##STR1## wherein >N represents a tertiary open chain or cyclic aliphatic amine; wherein >N represents an unsaturated amine; wherein R represents a member selected from the group consisting of a hydrogen atom, a C.sub.1 -C.sub.20 open chain or cyclo alkyl group, a C.sub.1 -C.sub.20 alkoxyalkyl group, a C.sub.1 -C.sub.20 acyloxyalkyl group, a C.sub.1 -C.sub.20 haloalkyl group, a C.sub.1 -C.sub.20 carboxyalkyl group, an aryl group, and a substituted aryl group, whose substituents are selected from the group consisting of a halogen atom, an O--C.sub.1 -C.sub.4 alkyl group, an O--C.sub.1 -C.sub.8 acyl group, a nitro group, a carboxyl group, and a carboethoxy group; wherein R.sub.1 represents a C.sub.9 -C.sub.22 straight or branched alkyl group, a --(CH.sub.2).sub.n -- ##STR2## group, wherein R.sub.3, R.sub.4, R.sub.5 and R.sub.6 are each selected from the group consisting of a hydrogen atom, a methyl group or an ethyl group, a C.sub.0 -C.sub.
    Type: Grant
    Filed: December 13, 1978
    Date of Patent: May 20, 1980
    Assignee: Interx Research Corporation
    Inventor: Nicolae S. Bodor
  • Patent number: 4202978
    Abstract: There are disclosed compounds of the formula ##STR1## wherein R.sub.1 is selected from the group consisting of lower alkyl; R.sub.8 is selected from the group consisting of --O--(CH.sub.2).sub.n --wherein n is 2 to 20, ##STR2## and R.sub.6 is selected from the group consisting of hydrogen or lower alkoxy, and ##STR3## wherein R.sub.1 is selected from the group consisting of lower alkyl; R.sub.8 is selected from the group consisting of --O--(CH.sub.2).sub.n --wherein n is 2 to 20, ##STR4## and R.sub.6 is selected from the group consisting of hydrogen or lower alkoxy and racemates thereof.There are also disclosed processes and intermediates utilized to produce the end products.The end products have utility as agents exhibiting both .alpha. and selective .beta. adrenergic blocking action.
    Type: Grant
    Filed: February 8, 1978
    Date of Patent: May 13, 1980
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Kenneth E. Fahrenholtz, Robert W. Guthrie, Richard W. Kierstead, Jefferson W. Tilley
  • Patent number: 4202821
    Abstract: This invention relates to novel N-(N'-methylenepyrrolidonyl)-2-substituted anilines which are useful intermediates in the synthesis of herbicides.The intermediate compounds of the invention have the formula: ##STR1## Where R is alkyl, C.sub.1 -C.sub.6, alkenyl, C.sub.3 -C.sub.5, alkyleneoxyalkyl, --(CH.sub.2).sub.n OR", where n=1-3, and R" is alkyl, C.sub.1 -C.sub.3, and cycloalkyl, ##STR2## where n'=0-3, R' is hydrogen or alkyl, C.sub.1 -C.sub.3, and,Y is oxygen or sulfur.
    Type: Grant
    Filed: December 14, 1978
    Date of Patent: May 13, 1980
    Assignee: GAF Corporation
    Inventors: Louis Schneider, David E. Graham
  • Patent number: 4200594
    Abstract: This invention concerns the preparation of dinitrile phosphonates, as well as their hydrolysis into the corresponding diacids, and reduction into the corresponding diamines. These compounds can be used, in particular, to make polyamides, polyurethanes or polyurates fireproof, as well as to increase their adhesive properties.
    Type: Grant
    Filed: December 19, 1977
    Date of Patent: April 29, 1980
    Inventors: Georges Sturtz, Jean-Claude Clement
  • Patent number: 4200636
    Abstract: The invention relates to new 3-amino-17a-aza-D-homo-5.alpha.-androstane derivatives of the general formula I ##STR1## wherein R.sub.1 represents a methylene or an >N--CH.sub.3 group, and n stands for 1 or 2, and the acid addition salts and the quaternary salts of the general formula ##STR2## thereof, wherein R.sub.2 stands for an alkyl or alkenyl group having from 1 to 4 carbon atoms, and A represents a halogen atom, provided that if R.sub.1 stands for an >N--CH.sub.3 group, R.sub.2 is attached to the nitrogen of that >N--CH.sub.3 group. The new compound possess a non-polarizing neuromuscular blocking activity and have a short activity period.
    Type: Grant
    Filed: August 17, 1978
    Date of Patent: April 29, 1980
    Assignee: Richter Gedeon Vegyeszeti Gyar Rt.
    Inventors: Zoltan Tuba, Maria Marsai, Sandor Gorog, Katalin Biro, Egon Karpati, Laszlo Szporny
  • Patent number: 4199591
    Abstract: The preparation and use of Diels-Alder adducts of 3-isothiazolone 1-oxides and 1,1-dioxides are disclosed. These compounds and compositions containing them are useful in controlling weeds and microorganisms such as algae, bacteria, fungi and the like.
    Type: Grant
    Filed: February 12, 1979
    Date of Patent: April 22, 1980
    Assignee: Rohm and Haas Company
    Inventors: George A. Miller, Ernest D. Weiler
  • Patent number: 4196292
    Abstract: N-amidino-3,5-diamino-6-substituted-2-pyrazinecarboxamides and a process for their synthesis.
    Type: Grant
    Filed: June 29, 1977
    Date of Patent: April 1, 1980
    Assignee: Merck & Co., Inc.
    Inventors: Otto W. Woltersdorf, Jr., Susan J. deSolms, Edward J. Cragoe, Jr.
  • Patent number: 4196206
    Abstract: 3-[4-(2'-Pyridyl)-piperazin-1-yl]-1-(3,4,5-trimethoxybenzoyloxy)-propane or a pharmaceutically acceptable acid-addition salt thereof in a composition with anti-arrhythmic activity.
    Type: Grant
    Filed: February 23, 1978
    Date of Patent: April 1, 1980
    Assignee: Richter Gedeon Vegyeszeti Gyar RT
    Inventors: Arpad Molnar, Karoly Felfoldi, Mihaly Bartok, Egon Karpati, Laszlo Szporny
  • Patent number: 4196126
    Abstract: Disclosed are 3-methyl-5-isothiazolyl-3-alkoxyureas, such as 1-(3-methyl-5-isothiazolyl)-3-methoxy-3-methylurea, and the method of controlling broadleaf and grassy weeds, such as Echinochloa crusgalli (L.) Beauv. (barnyardgrass), with these ureas.
    Type: Grant
    Filed: November 4, 1977
    Date of Patent: April 1, 1980
    Assignee: PPG Industries, Inc.
    Inventor: Dennis K. Krass
  • Patent number: 4195023
    Abstract: Certain novel acyl saccharins and acyl 3-oxo-1,2-benzisothiazolines, their preparation, pharmaceutical compositions and novel methods of inhibiting elatase and treating emphysema are disclosed.
    Type: Grant
    Filed: August 20, 1975
    Date of Patent: March 25, 1980
    Assignee: Merck & Co., Inc.
    Inventors: Dennis Mulvey, Howard Jones, Morris Zimmerman
  • Patent number: 4195180
    Abstract: This invention relates to 1-naphthol sulfam(na)phthaleins possessing a carbonyl moiety on the N atom of sulfam(na)phthalein ring, which compounds find utility, for example, as antihalation and filter dyes in photographic products and processes.
    Type: Grant
    Filed: September 23, 1977
    Date of Patent: March 25, 1980
    Assignee: Polaroid Corporation
    Inventors: Alan L. Borror, Louis Cincotta, Ernest W. Ellis, James W. Foley
  • Patent number: 4195181
    Abstract: New heterocyclic-substituted 1,3,4,-thiadiazole derivatives of the formula ##STR1## in which R.sup.1 is alkyl, alkenyl, haloalkyl, optionally substituted aralkyl, optionally substituted aryl, alkylthio, alkylsulfonyl, alkylsulfoxyl, aralkylthio, aralkylsulfonyl or aralkylsulfoxyl,R.sup.2 is methyl or ethyl, andn is 1 or 2,are surprisingly effective as herbicides and are particularly useful as selective herbicides for combating grasses, especially in crops of cereals or cotton.
    Type: Grant
    Filed: February 24, 1977
    Date of Patent: March 25, 1980
    Assignee: Bayer Aktiengesellschaft
    Inventors: Carl Metzger, Ludwig Eue, Robert R. Schmidt
  • Patent number: 4193995
    Abstract: 2-(3-Substituted amino-2-hydroxypropoxy)-3-substituted pyrazine compounds optionally having substituents in the 5 and/or 6 positions, possessing .beta.-adrenergic blocking properties are described. The products are prepared by reaction of a 2-chloro(or hydroxy)pyrazine with a 5-hydroxymethyl(or sulfonyloxymethyl)oxazolidine followed by acid hydrolysis.
    Type: Grant
    Filed: March 8, 1977
    Date of Patent: March 18, 1980
    Assignee: Merck Sharp & Dohme (I.A.) Corp.
    Inventors: Burton K. Wasson, Leonard M. Weinstock
  • Patent number: 4192883
    Abstract: New chemical compounds, which are pyrrolidinoethylamine amides, in the form of free bases and salts thereof, which are useful as antitussives, pharmaceutical compositions thereof, and method of treating therewith.In the form of their salts, the compounds have the formula: ##STR1## wherein ##STR2## is an acyl radical of a phenylacetic,.alpha.-phenyl-.alpha.-ethylacetic, diphenylacetic, benzilic, .alpha.-lower-alkoxy-.alpha.,.alpha.-diphenylacetic, 10-phenothiazinecarboxylic, benzoic, halobenzoic, 3-coumarincarboxylic, 9-xanthenecarboxylic, salicylic, cresotic, halocresotic, lower-alkoxybenzoic, phenoxyacetic, phenoxyisobutyric, halophenoxyisobutyric, cinnamic, or 9-fluorene carboxylic acid, and wherein R'H represents an inorganic or organic acid, and wherein R may be, for example, a substituted aromatic ring of the formula: ##STR3## wherein R.sub.1 and R.sub.2 may independently be lower-alkyl, lower-alkoxy, hydrogen, lower-alkenyloxy, or lower-alkynyloxy, and X may be hydrogen or halogen.
    Type: Grant
    Filed: August 7, 1978
    Date of Patent: March 11, 1980
    Assignee: Pierre Fabre, S.A.
    Inventors: Henri Cousse, Bernard Bonnaud, Jean-Pierre Tarayre, Silvano Casadio
  • Patent number: 4191689
    Abstract: This invention relates to certain 3,3-di(4'-OP-carbocyclic aryl)-2,3-dihydrobenz[d]isothiazole-1,1-dioxides (and-2,3-dihydronaphtho[1,8-de]-1,2-thiazine-1,1-dioxides) and to the preparation thereof by reacting (a) at least 2 equivalents of (i) a 4'-OP-carbocyclic aryllithium compound wherein P is a protecting group compatible with organometallic reagents or (ii) a 4'-OP-carbocyclic arylMgE compound wherein P is a protecting group compatible with organometallic reagents and E is chloro, bromo or iodo and (b) 1 equivalent of a compound selected from a 3-chlorobenz[d] isothiazole-1,1-dioxide and a 3-chloronaphtho[1,8-de]-1,2-thiazine-1,1-dioxide to give the corresponding 3,3-di(4'-OP-carbocyclic aryl)-2,3-dihydrobenz[d]isothiazole-1,1-dioxide or the corresponding 3,3-di(4'-OP-carbocyclic aryl)-2,3-dihydronaphtho[1,8-de]-1,2-thiazine-1,1-dioxide, which compounds are useful in the synthesis of phenol and 1-naphthol sulfam(na)-phthaleins employed, for example, as photographic optical filter agents and filter agent
    Type: Grant
    Filed: September 23, 1977
    Date of Patent: March 4, 1980
    Assignee: Polaroid Corporation
    Inventors: Stanley M. Bloom, Alan L. Borror, James W. Foley
  • Patent number: 4190658
    Abstract: Novel eburnamenine derivatives of the formula ##STR1## in the form of racemic mixtures or optically active isomers and their non-toxic, pharmaceutically acceptable acid addition salts which are oxygenators and cerebral vasoregulators of great value.
    Type: Grant
    Filed: July 17, 1978
    Date of Patent: February 26, 1980
    Assignee: Roussel Uclaf
    Inventors: Julien Warnant, Andre Farcilli, Italo Medici