Patents Represented by Law Firm Hammond & Littell, Weissenberger & Muserlian
  • Patent number: 4473606
    Abstract: An anticorrosion perforated foil for fusion onto metal substrates comprising 60 to 90% by weight of bitumen, 0.5 to 7% by weight of styrene-butadiene rubber, 5 to 25% by weight of a bitumen modified with polymers, 0.5 to 7.5% by weight of natural resin and 0.5 to 10% by weight of organic and/or inorganic fibers stable at above 160.degree. C. and its preparation and a method of protecting metal elements from corrosion.
    Type: Grant
    Filed: September 21, 1982
    Date of Patent: September 25, 1984
    Assignee: Rutgerswerke Aktiengesellschaft
    Inventors: Karl Ruhl, Karlheinz Bildner
  • Patent number: 4446627
    Abstract: In an arrangement in angle rulers for improving the fixture of an angularly adjustable blade (10) of said rulers to the stock (11) thereof in selected angular positions relative thereto, the stock (11) comprises a rectangular hollow section having a lateral opening (17), the blade (10) being arranged to be partly surrounded by the hollow profile of the stock. A spring-loaded (20), displaceable peg (19) is arranged to extend through at least one (12) of the mutually opposing walls (12,13) of the stock, and through the blade (10). One surface of the blade exhibits grooves or promontories (27) arranged to co-act with corresponding grooves or promontories (26) in the inwardly facing surface of the wall (12), whereat both grooves (27) and promontories (26) concentrically encircle the peg (19), around which peg the blade (10) is arranged to pivot.
    Type: Grant
    Filed: August 20, 1982
    Date of Patent: May 8, 1984
    Inventor: Bengt Persson
  • Patent number: 4443452
    Abstract: This invention relates to compounds of the formula ##STR1## wherein X is oxygen, --NH--, or--NCH.sub.3 --andR is 1-methyl-4-piperidinyl, 4-methyl-1-piperazinyl, endo-8-methyl-8-azabicyclo[3.2.1]oct-3-yl, or exo-8-methyl-8-acabicyclo[3.2.1]oct-3-yl, each of which may optionally have an additional methyl substitutent,a diastereomer or enantiomer thereof, or a non-toxic, pharmacologically acceptable acid addition salt thereof with an inorganic or organic acid.
    Type: Grant
    Filed: January 31, 1983
    Date of Patent: April 17, 1984
    Assignee: Dr. Karl Thomae GmbH
    Inventors: Wolfhard Engel, Gunter Trummlitz, Gunther Schmidt, Wolfgang Eberlein, Rudolf Hammer, Piero del Soldato
  • Patent number: 4438869
    Abstract: A dosing device with ball valve for attachment to a liquid container (12) with a valve ball (5) which closes the discharge opening (3) of the container in a tilted position of the latter is proposed. This is to make possible dosed squirting. This is achieved by a valve ball guide tube (1) which has over its length at least one lateral opening (2) leading towards the container interior and, at its end opposite the discharge opening (3) and the sealing valve ball seat (9), a lower part (4) expanding in funnel shape (6) from the tube wall (FIG. 1).
    Type: Grant
    Filed: February 8, 1982
    Date of Patent: March 27, 1984
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Peter Vierkotter, Paul-Otto Weltgen
  • Patent number: 4438012
    Abstract: Aqueous suspensions of water-insoluble, calcium-binding aluminosilicates with an improved stability against settling comprising at least 20% by weight of at least one finely-divided, water-insoluble silicate compound having a calcium-binding power of at least 50 mg CaO/gm of anhydrous active substance and having the formula, combined water not shown(M.sub.2/n O).sub.x . Me.sub.2 O.sub.3.(SiO.sub.2).sub.ywhere M is a cation of the valence n, exchangeable with calcium, x is a number of from 0.7 to 1.5, Me is aluminum or boron, and y is a number from 0.8 to 6, and at least 0.5% by weight of a practically water-insoluble nonionic aliphatic surface-active compound having a turbidity point of a 1% solution in water of below room temperature, and the remainder an aqueous liquor. The said suspensions are pumpable and suitable as stock solution in the preparation of washing agent compositions.
    Type: Grant
    Filed: December 14, 1977
    Date of Patent: March 20, 1984
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Dieter Kuhling, Huppertzl Josef, Peter Krings, Herbert Reuter
  • Patent number: 4438016
    Abstract: Stable, aqueous cleaning agents containing (a) anionic and/or nonionic surfactants, optionally chlorine-stable, (b) an abrasive component and/or (c) an active-chlorine-releasing compound and, optionally, (d) dyes and (e) fragrances, characterized in (f) a further content of amorphous calcium aluminum silicates precipitated in situ; and the process of their preparation wherein the various ingredients are mixed and the amorphous calcium aluminum silicates are formed by precipitation therein.
    Type: Grant
    Filed: March 16, 1983
    Date of Patent: March 20, 1984
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Eva Kiewert, Karlheinz Disch
  • Patent number: 4437898
    Abstract: The metal surfaces are treated with 0.5 to 5 wt. % aqueous solutions (pH value 7.5 to 10.5), in which is contained a synergistic combination--giving a clear solution in water--of corrosion-inhibiting substances. The combination consists of:a. one or more maleic acid mono-n- or -iso-alkylamides with 6 to 14, preferably 8 to 10 C atoms,b. one or more alkalolamines, preferably mono-, di- and/or tri-ethanolamine, andc. complexing phosphonic acids, preferably 1-hydroxy-alkyl-1,1-diphosphonic acid, 1-aminoalkyl-1,1-diphosphonic acid, phosphonocarboxylic acid and/or a phosphonic acid of the formula: ##STR1## Preferred phosphonic acids are 1-hydroxyethane-1,1-diphosphonic acid, 2-phosphonobutane-1,2,4-tricarboxylic acid and/or nitrilotrimethylene-phosphonic acid.The weight ratio of a:b should be in the solutions 1:0.3 to 1:10, that of a:c, 1:0.01 to 1:0.5. The solutions can contain additionally surfactants, preferably non-ionogenic surfactants in small quantities, also builders, preferably phosphates and/or borates.
    Type: Grant
    Filed: April 5, 1982
    Date of Patent: March 20, 1984
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Hermann Drosdziok, Jurgen Geke, Hans G. Germscheid
  • Patent number: 4435408
    Abstract: Novel 2H-indole-2-ones of the formula ##STR1## wherein R is selected from the group consisting of hydrogen, alkyl of 1 to 8 carbon atoms and aralkyl of 7 to 12 carbon atoms, a and b are both hydrogen or together form a carbon-carbon bond, Z is selected from the group consisting of hydrogen, alkyl of 1 to 8 carbon atoms, hydroxyalkyl of 2 to 8 carbon atoms, aryloxyalkyl of 7 to 12 carbon atoms, cycloalkylalkyl of 4 to 12 carbon atoms, alkenyl and alkynyl of 3 to 8 carbon atoms and aralkyl of 7 to 12 carbon atoms optionally substituted with at least one member of the group consisting of halogen, alkoxy of 1 to 4 carbon atoms, alkyl of 1 to 4 carbon atoms, --OH, --CF.sub.3, --OCF.sub.3, --NO.sub.2 and --NH.sub.2 and their nontoxic, pharmaceutically acceptable acid addition salts having remarkable dopaminergic stimulating and antianoxic properties and their preparation.
    Type: Grant
    Filed: July 15, 1982
    Date of Patent: March 6, 1984
    Assignee: Roussel Uclaf
    Inventors: Lucien Nedelec, Jacques Guillaume, Claude Dumont
  • Patent number: 4435392
    Abstract: A 2,5-benzodiazocine derivative represented by a formula ##STR1## wherein R.sub.1 is phenyl or p-methoxyphenyl, R.sub.2 is hydrogen or methyl, and R.sub.3 is p-methoxyphenethyl, 3-(p-fluorobenzoyl)-propyl, cyclopropylmethyl or ##STR2## or a salt of such novel compound as well as a CNS-active pharmaceutical agent containing as an effective component at least one of said derivatives and salts.
    Type: Grant
    Filed: January 24, 1983
    Date of Patent: March 6, 1984
    Assignee: Sanwa Kagaku Kenkyusho Co. Ltd.
    Inventors: Masatoshi Ban, Kenji Miura, Yutaka Baba, Noriyuki Iwata, Akira Fukui, Mikio Hori, Hajime Fujimura, Eiichi Suenaga
  • Patent number: 4435325
    Abstract: The monohydrate of 1.alpha.,25-dihydroxy-cholecalciferol having a remarkable vitamin activity and a process for its preparation.
    Type: Grant
    Filed: May 5, 1980
    Date of Patent: March 6, 1984
    Assignee: Roussel Uclaf
    Inventors: Jean Jolly, Primo Rizzi, Jean Taillardat
  • Patent number: 4434290
    Abstract: The novel derivatives correspond to the general formula: ##STR1## in which R.sub.1 is a Y--(CH.sub.2).sub.n --NR.sub.4 R.sub.5 group, where Y represents a single bond or the group ##STR2## R.sub.4 and R.sub.5, identical or different, are hydrogen or an alkyl radical, preferably a lower alkyl, or again form together a ring which can include heteroatoms, in particular nitrogen atoms. n is a number ranging from 1 to 10, notably from 2 to 7, R.sub.2 is a hydrogen atom, a lower alkyl group or an aralkyl group in which the alkyl substituent is a lower alkyl group, and R.sub.3 is a hydrogen atom or a CH.sub.3 group useful for the treatment of leukemias.
    Type: Grant
    Filed: May 1, 1981
    Date of Patent: February 28, 1984
    Assignee: Agence Nationale de Valorisation de la Recherche
    Inventors: Emile Bisagni, Claire Ducrocq, Christian Rivalle, Pierre Tambourin, Francoise Wendling, Alain Civier, Luc Montagnier, Jean-Claude Chermann, Jacqueline Gruest, Rosette Lidereau
  • Patent number: 4434080
    Abstract: Derivatives of selenium as dehydrogenation agents employed in the presence of an oxidation agent consisting of oxidized derivatives of possibly substiuted iodoaromatic compounds, particularly where the derivatives of selenium are employed in catalytic amounts; as well as a process of dehydrogenation 3-oxygenated steroids into the corresponding 3-oxygenated .DELTA..sup.1,4 steroids.
    Type: Grant
    Filed: May 18, 1982
    Date of Patent: February 28, 1984
    Assignee: Roussel Uclaf
    Inventors: Derek H. R. Barton, William B. Motherwell
  • Patent number: 4432905
    Abstract: The degradation of steroid-C22-carboxylic acids to the C20-carbonyl steroids is carried out in simplified form and preferably without isolating intermediate reaction products by using 17(20)-steroid-22-carboxylic acids as starting material and directly transforming them into the 20-carbonyl compound through their respective acid halides by the Curtius degradation or by carboxy-inversion degradation. The acetyl substituent thus formed in C17 of the steroid compounds is present in the pharmacologically required configuration.
    Type: Grant
    Filed: June 24, 1982
    Date of Patent: February 21, 1984
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Michael Bahn, Wolfgang Preuss, Rolf Schmid, Rudiger Wagner
  • Patent number: 4431640
    Abstract: Novel .DELTA..sup.4,9 -estradienes of the formula ##STR1## wherein R is selected from the group consisting of hydrogen, alkyl of 1 to 8 carbon atoms and acyl of an organic carboxylic acid of 1 to 18 carbon atoms having exceptional anabolic and androgenic activity and their preparation.
    Type: Grant
    Filed: November 30, 1981
    Date of Patent: February 14, 1984
    Assignee: Roussel Uclaf
    Inventors: Jean A. Grandadam, Huguette Dreux, Teutsch, Jean G.
  • Patent number: 4431576
    Abstract: A compound in all its possible isomeric forms and mixtures thereof of the formula ##STR1## wherein R is selected from the group consisting of (a) alkyl of 1 to 12 carbon atoms optionally substituted with cycloalkyl or cycloalkenyl of 3 to 6 carbon atoms or a hydrocarbon chain of 2 to 8 carbon atoms optionally interrupted by an oxygen or ketone, (b) alkenyl and alkynyl of 3 to 8 carbon atoms, (c) cycloalkyl of 3 to 12 carbon atoms optionally containing at least one double bond and substituted with at least one alkyl and (d) aralkyl of 7 to 12 carbon atoms optionally substituted with at least one member of the group consisting of alkyl of 1 to 4 carbon atoms, alkoxy of 1 to 4 carbon atoms, halogen and --CF.sub.3 and R.sub.1 and R.sub.2 are individually selected from the group consisting of hydrogen, --CHO, --COAlK.sub.1, --COOAlK.sub.2 and --CN, at least one being hydrogen, AlK.sub.1 and AlK.sub.2 are alkyl of 1 to 8 carbon atoms and R.sub.1 and R.sub.
    Type: Grant
    Filed: January 27, 1982
    Date of Patent: February 14, 1984
    Assignee: Roussel Uclaf
    Inventors: Jacques Martel, Jean Buendia, Francois Nezot
  • Patent number: 4430270
    Abstract: C21-steroid compounds with a nitrogen function in the 20-position corresponding to general formula I below ##STR1## in which Y is hydrogen, a hydroxyl group or, together with the C-atom substituted by Y, represents a carbonyl group or may even be replaced by a 9(11)-ene bond and in which X is hydrogen, acyl, a carbonic acid ester residue or, together with the adjacent hydrogen atom on the nitrogen, represents a carbonyl group, may be obtained by converting the steroid-C20-carboxylic acid halides structurally analogous to the required reaction product into the corresponding carboxylic acid azide and either transforming the carboxylic acid azide thus formed into the C20-isocyanate through the elimination of nitrogen and, if desired, converting the C20-isocyanate thus obtained into the C20-carbamate and/or the C20-amine or directly transforming the carboxylic acid azide into the C20-amine.
    Type: Grant
    Filed: August 13, 1982
    Date of Patent: February 7, 1984
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventor: Wolfgang Preuss
  • Patent number: 4430493
    Abstract: In an improved process for the preparation of aromatic polyesters by polycondensation of diphenols with aromatic dicarboxylic acid halides such as isophthalic acid chloride and/or terephthalic acid chloride, by a two-phase interface polycondensation method wherein a fine dispersion is produced from an aqueous phase consisting of a solution of diphenol, alkali metal hydroxide for the formation of the alkali metal diphenolate in a stoichiometric ratio or in a slight excess and a phase transfer catalyst like triethylbenzylammonium chloride, tetrabutyl ammonium iodide or crown ether in a mixture of water and an organic solvent as a solubilizer with the organic liquid phase consisting of a solution of the acid chloride in a halogenated solvent, where the diphenolate, transferred to the liquid phase by the phase transfer catalyst, reacts with the acid chloride in a polycondensation reaction for the formation of the polyester, and the polyester formed remains dissolved in the organic phase the improvement comprising
    Type: Grant
    Filed: February 3, 1983
    Date of Patent: February 7, 1984
    Assignee: Isovolta Oesterreichische Isolierstoffwerke Aktiengesellschaft
    Inventor: Werner Rieder
  • Patent number: 4430068
    Abstract: The packaging container consists of a mechanically stabilizing case of paper, cardboard and/or metal with inserted sealing liner, which sealing liner is in the form of a plastic bubble with a neck part shaped from it and extending above the case. Both elements are manufactured separately and coupled together with the aid of an adapter cover. This is lockingly connected with the neck of the sealing liner and adapted to an opening in the case, into which it can lock. It is slipped over the sealing liner preform before the stretching and inflating of the liner and is secured against shifting by means of fixing cams.
    Type: Grant
    Filed: November 30, 1981
    Date of Patent: February 7, 1984
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Dieter vom Hofe, Klaus Meyer
  • Patent number: 4430355
    Abstract: Compounds of the formula ##STR1## wherein X is oxygen or sulfur;R.sub.1 is hydrogen, methyl or ethyl; andR.sub.2 is methyl or ethyl;and non-toxic, physiologically acceptable salts thereof formed with an inorganic or organic base. The compounds as well as their salts are useful as sweetening agents.
    Type: Grant
    Filed: August 27, 1981
    Date of Patent: February 7, 1984
    Assignee: Dr. Karl Thomae Gesellschaft mit beschrankter Haftung
    Inventors: Gunter Trummlitz, Ernst Seeger, Wolfhard Engel
  • Patent number: RE31764
    Abstract: A method for the preparation of pharmaceuticals which comprises using a piezoelectric dosing system to dot liquid, dissolved or suspended active substance onto a pharmaceutical carrier.
    Type: Grant
    Filed: October 12, 1982
    Date of Patent: December 11, 1984
    Assignee: Boehringer Ingelheim GmbH
    Inventors: Gunther Voss, Peter Gruber