Polycarboxylic Acid Patents (Class 560/44)
  • Patent number: 4126691
    Abstract: New .alpha.-(cyclic tert. aminophenyl)-aliphatic acids, e.g. those of the formula ##STR1## AND FUNCTIONAL DERIVATIVES THEREOF, ARE ANTI-INFLAMMATORY AGENTS.
    Type: Grant
    Filed: December 6, 1976
    Date of Patent: November 21, 1978
    Assignee: Ciba-Geigy Corporation
    Inventors: Richard W. J. Carney, George DEStevens
  • Patent number: 4123536
    Abstract: The present invention relates to dialkyl ({[3-(alkoxy-carbonyl)-1,4-dihydro-4-oxo-8-quinolinyl]amino}methylene)-pro panedioates having the following structural formula: ##STR1## wherein R.sub.1 is lower alkyl; and R.sub.2 is hydrogen, halogen, lower alkyl or nitro.These compounds exhibit antibacterial activity against gram positive and gram negative bacteria and are therefore useful in the treatment of bacterial infections caused by these organisms.
    Type: Grant
    Filed: December 14, 1977
    Date of Patent: October 31, 1978
    Assignee: Warner-Lambert Company
    Inventors: David T. Connor, Patricia A. Young, Maximilian Von Strandtmann
  • Patent number: 4119784
    Abstract: Biphenyltetrayltetrakis(sulfonylimino)tetrabenzene dicarboxyic acid alkali metal salts, useful as complement inhibitors, and a biphenyltetrayltetrakis(sulfonylimino)tetrabenzene dicarboxylic acid octakis methoxyethyl ester that is a new intermediate for the preparation of the active salts.
    Type: Grant
    Filed: July 1, 1977
    Date of Patent: October 10, 1978
    Assignee: American Cyanamid Company
    Inventors: Ransom Brown Conrow, Seymour Bernstein
  • Patent number: 4118418
    Abstract: s-Phenenyltris(ureylene)triisophthalic acid salts useful as complement inhibitors.
    Type: Grant
    Filed: June 29, 1977
    Date of Patent: October 3, 1978
    Assignee: American Cyanamid Company
    Inventors: Ransom Brown Conrow, Seymour Bernstein
  • Patent number: 4118585
    Abstract: Anionic substituted benzenetetrayltetrakis-(carbonylimino)tetraisophthalic acid salts, useful as complement inhibitors, and a methoxyethyl substituted benzenetetrayltetrakis(carbonylimino)tetraisophthalic acid ester that is a new intermediate for the preparation of the active salts.
    Type: Grant
    Filed: July 1, 1977
    Date of Patent: October 3, 1978
    Assignee: American Cyanamid Company
    Inventors: Ransom Brown Conrow, Seymour Bernstein
  • Patent number: 4107310
    Abstract: Novel quinoline-3-carboxamides of the formula ##STR1## wherein R.sub.1 is in the 5,6,7 or 8-position and is selected from the group consisting of hydrogen, halogen, --CF.sub.3, --OCF.sub.3, --SCF.sub.3, straight chain alkyl of 1 to 4 carbon atoms, branched alkyl of 3 to 5 carbon atoms and alkoxy of 1 to 4 carbon atoms, R.sub.2 is selected from the group consisting of hydrogen and methyl, R.sub.3 is selected from the group consisting of thiazolyl, 4,5-dihydrothiazolyl, pyridinyl, oxazolyl and imidazolyl and R.sub.4 is selected from the group consisting of hydrogen, hydroxyl, alkyl of 1 to 4 carbon atoms, phenyl and benzyl with the proviso that when R.sub.1 is in the 7 or 8-position and is halogen, --CH.sub.3, --OCF.sub.3 or --SCF.sub.3 and R.sub.4 is hydrogen, R.sub.3 is not thiazolyl, pyridinyl or oxazolyl and the non-toxic, pharmaceutically acceptable acid addition salts when R.sub.3 is imidazolyl or 4,5-dihydrothiazolyl having analgesic activity and their preparation and novel intermediates therefore.
    Type: Grant
    Filed: February 7, 1977
    Date of Patent: August 15, 1978
    Assignee: Roussel Uclaf
    Inventors: Andre Allais, Francois Clemence, Roger Deraedt, Odile Le Martret
  • Patent number: 4104049
    Abstract: Chlorine-substituted vinylaminobenzoic acid compounds of the formula ##STR1## in which R is hydroxyl, alkoxy of from 1 to 4 carbon atoms or monoalkylamino of from 1 to 3 carbon atoms,R.sup.1, r.sup.4 and R.sup.5 are individually selected from hydrogen and chlorine, provided that at least one of R.sup.1, R.sup.4 and R.sup.5 is chlorine,R.sup.2 is alkylcarbonyl of from 1 to 4 carbon atoms in the alkyl moiety or carbalkoxy of from 1 to 4 carbon atoms in the alkoxy moiety; andR.sup.3 is cyano, alkylcarbonyl of from 1 to 4 carbon atoms in the alkyl moiety or carbalkoxy of from 1 to 4 carbon atoms in the alkoxy moietyExhibit outstanding plate growth regulating effects, e.g., the inhibition of vegetative plant growth.
    Type: Grant
    Filed: October 20, 1976
    Date of Patent: August 1, 1978
    Assignee: Bayer Aktiengesellschaft
    Inventors: Fritz Maurer, Hans-Jochem Riebel, Rolf Schroder, Klaus Lurssen
  • Patent number: 4094857
    Abstract: An antioxidant useful for stabilizing polyesters having the formula ##STR1## where R.sub.1 is hydrogen or a lower alkyl radical; R.sub.2 is a monovalent radical containing carbon, hydrogen, and oxygen, free of ethylenic or acetylenic unsaturation, and having a molecular weight between about 99-300 and, further, containing two carboxyl groups or their ester forming equivalents; R.sub.3 and R.sub.4 are tertiary alkyl radicals each containing not more than 8 carbon atoms; and x is an integer of from 0-4.
    Type: Grant
    Filed: September 1, 1977
    Date of Patent: June 13, 1978
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: James Richard Wolfe, Jr.
  • Patent number: 4095028
    Abstract: Compounds represented below ##STR1## and pharmaceutical compositions thereof, the compositions including the non-substituted phenylene dioxamates are useful in the prophylactic treatment of sensitized mammals for allergy and all anaphylactic reactions of a reagin or non-reagin mediated nature.
    Type: Grant
    Filed: August 16, 1976
    Date of Patent: June 13, 1978
    Assignee: The Upjohn Company
    Inventors: Charles M. Hall, John B. Wright
  • Patent number: 4094991
    Abstract: New carboxylic acid derivatives are proposed for use as agents in the treatment of prevention of arteriosclerosis. 1-(p-chlorophenoxy)-3-(N-phenyl-N-carbomethoxymethylamino)-2-propanol is a typical compound.
    Type: Grant
    Filed: January 24, 1977
    Date of Patent: June 13, 1978
    Assignee: Nippon Shinyaku Co., Ltd.
    Inventors: Hiromu Murai, Katsuya Ohata, Hiroshi Enomoto, Shoichi Chokai, Mitsuhiro Machara, Katsuhide Saito, Takayuki Ozaki
  • Patent number: 4080376
    Abstract: Novel imide carboxylates, O-carboxylates thereof, and amide carboxylates are useful as intermediates for preparation of sequestrant compounds.
    Type: Grant
    Filed: April 19, 1976
    Date of Patent: March 21, 1978
    Assignee: Monsanto Company
    Inventors: Chung Y. Shen, Roger L. Kidwell, Dennis A. Ruest
  • Patent number: 4069343
    Abstract: Anti-allergic agents of aromatic oxamic acid derivation present the following formula: ##STR1## in which A is a member selected from the group consisting of .alpha.-naphthyl, .beta.-naphthyl, phenyl, 2,6-dichlorophenyl, and substituted phenyl moieties containing from one to three substituents in any of the 2,3,4 and 5 positions of the phenyl ring, independently selected from the group consisting of lower alkyl, lower alkylthio, lower alkylsulfinyl, lower alkoxy, hydroxy (lower)alkoxy, 2-(oxalyloxy) ethoxy, benzyloxy, N-mono- and di-lower alkylamino(lower)alkoxy, halo, sulfamyl, polyhalo(lower)alkyl, carbamyl, N-lower alkylcarbamyl, nitro, mono and di lower alkylamino, carboxy, lower alkylcarbonyl, carb(lower)alkoxy, phenoxy(lower)alkoxy, and oxalamidophenoxy radicals;And pharmaceutically acceptable salts thereof.
    Type: Grant
    Filed: March 23, 1976
    Date of Patent: January 17, 1978
    Assignee: American Home Products Corporation
    Inventors: John H. Sellstedt, Charles J. Guinosso, Albert J. Begany
  • Patent number: 4061631
    Abstract: New 1-aza-4-thiacyclohexane-4,4-dioxide derivatives are used alone or in combination with other stabilizers for stabilizing organic materials. The new compounds are prepared by reacting substituted diallylsulfides with ammonia, amines or hydrazines.
    Type: Grant
    Filed: January 22, 1976
    Date of Patent: December 6, 1977
    Assignee: Ciba-Geigy Corporation
    Inventor: Jean Rody
  • Patent number: 4059579
    Abstract: Novel imide carboxylates, O-carboxylates thereof, and amide carboxylates are useful as intermediates for preparation of sequestrant compounds.
    Type: Grant
    Filed: October 10, 1974
    Date of Patent: November 22, 1977
    Assignee: Monsanto Company
    Inventors: Dennis A. Ruest, Roger L. Kidwell, Chung Y. Shen
  • Patent number: 4058554
    Abstract: Novel polyfunctional compounds which may be hydrolyzed to the corresponding salts, which in turn are metal sequestering agents, are disclosed, as well as a novel method for their preparation. The compounds are the reaction product obtained from the reaction of selected salts of monoalkyl esters of maleic acid with selected active hydrogen containing compounds. These products are prepared by a reaction of the starting materials in preferably a substantially anhydrous medium at an elevated temperature.
    Type: Grant
    Filed: December 22, 1975
    Date of Patent: November 15, 1977
    Assignee: Lever Brothers Company
    Inventors: Eddie N. Gutierrez, Vincent Lamberti
  • Patent number: 4048185
    Abstract: Compounds of the general formula I ##STR1## in which R represents hydrogen or a lower alkyl radical which may be further substituted, n is an integer of from 1 to 4, and which may contain further non-chromophoric substituents. They are prepared by reaction of the dichloride of naphthalene-1,4-dicarboxylic acid with an o-aminophenol and subsequent ring closure. These compounds can be used as optical brighteners.
    Type: Grant
    Filed: June 8, 1976
    Date of Patent: September 13, 1977
    Assignee: Hoechst Atiengesellschaft
    Inventors: Ulrich Pintschovius, Erich Schinzel, Gunter Rosch
  • Patent number: RE29468
    Abstract: Disclosed is a process for making a C.sub.1 -C.sub.7 aliphatic hydrocarbyl ester of an N-[2,6-(C.sub.1 -C.sub.7 alkyl)phenyl] .alpha.-amino-carboxylic acid from the corresponding 2,6-di(C.sub.1 -C.sub.7 alkyl)aniline and the corresponding chlorocarboxylic acid ester, which comprises effecting with a catalytic quantity of di(C.sub.1 -C.sub.7 alkyl)aniline hydrochloride the reaction of said aniline and said ester.
    Type: Grant
    Filed: July 1, 1976
    Date of Patent: November 8, 1977
    Assignee: Hercules Incorporated
    Inventor: Anthony B. Clayton