Patents Represented by Law Firm Hammond & Littell, Weissenberger & Muserlian
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Patent number: 4405185Abstract: A roller bearing for the longitudinally moveable mounting of an element with a straight race comprising a bearing body having two race sections of which at least one is straight, the two race sections being connected at their ends to each other by a curved race section at each end to form a closed race for cylindrical rolling elements being secured by retaining means against falling out, the race being laterally bounded by separate flange plates secured to the bearing body, the flange plates being thin-walled elements having in at least part of the race area chiplessly formed on rims being formed in such a way that the material in the area of the rims is offset by a partial amount of the thickness of the flange plates parallel to the latter and towards the race.Type: GrantFiled: December 21, 1981Date of Patent: September 20, 1983Assignee: INA Walzlager Schaeffler KGInventor: Jurgen Oetjen
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Patent number: 4403738Abstract: This invention relates to an improved sprayer means wherein the improvement comprises(a) a pressurized water feed, having a minimum pressure valve unit and leading to the mixing chamber of the nozzle spray head, which water feed is fed first to a water motor provided with a drive piston driven by the pressure of the inflowing water and then to a double-action metering pump having a metering piston coupled with said drive piston of the water motor, the cross-sectional area of the metering piston and the cross-sectional area of the drive piston being in a predetermined ratio;(b) a flexible container for chemicals residing in a detachable rigid vessel connected to a metering outlet line of the metering pump, said flexible container being connected by the mixing chamber of the nozzle spray head by a container outlet valve and a container line, the chemicals being displaced from the flexible container by water metered through the metering outlet line into the vessel; and(c) a feedback line leading from the cylindeType: GrantFiled: April 29, 1982Date of Patent: September 13, 1983Assignee: Lang Apparatebau GmbHInventor: Hans Kern
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Patent number: 4404230Abstract: Compounds of the formula ##STR1## wherein R.sub.1 is hydrogen or hydroxyl, and non-toxic, pharmacologically acceptable salts thereof formed with inorganic or organic bases. The compounds as well as their salts are useful as sweetening agents.Type: GrantFiled: April 15, 1981Date of Patent: September 13, 1983Assignee: Dr. Karl Thomae GmbHInventors: Gunter Trummlitz, Wolfgang Eberlein, Wolfhard Engel, Gunther Schmidt
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Patent number: 4404039Abstract: This invention relates to an improved process for cleaning an anodized surface of aluminum or an alloy thereof where a cleaning agent is applied to the anodized surface and then the cleaning agent is removed after a sufficient period of contact,wherein the improvement comprises applying to the anodized surface at ambient temperature a thin film of a cleaning composition comprising an acid solution consisting essentially of:(a) from about 3 to 30 percent by weight, based upon the total weight of the acid solution, of nitric acid, calculated as a 65% aqueous solution;(b) from about 0.1 to 20 percent by weight, based upon the total weight of the acid solution, of partial esters of phosphoric acid;(c) from about 0.3 to 30 percent by weight, based upon the total weight of the acid solution, of a phosphonocarboxylic acid with complexing action;(d) from about 0.Type: GrantFiled: April 29, 1982Date of Patent: September 13, 1983Assignee: Henkel Kommanditgesellschaft auf AktienInventors: Rainer Osberghaus, Hans Ellwanger, Horst Marsen, Harald Bossek
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Patent number: 4402972Abstract: Novel cyclopropane carboxylic acid derivatives of the formula ##STR1## wherein A is selected from the group consisting of --O--, --CH.sub.2 -- and ##STR2## R is selected from the group consisting of alkyl of 1 to 8 carbon atoms, alkenyl and alkynyl of 2 to 8 carbon atoms and optionally unsaturated cycloalkyl and cycloalkylalkyl of 3 to 8 carbon atoms optionally substituted with at least one alkyl group and the double bond in the 3-side chain has the Z geometry in all possible stereoisomeric forms and mixtures of stereoisomers having insecticidal, nematocidal and animal and vegetable acaricidal activities and their preparation.Type: GrantFiled: April 15, 1981Date of Patent: September 6, 1983Assignee: Roussel UclafInventors: Jacques Martel, Jean Tessier, Andre Teche
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Patent number: 4403059Abstract: An adhesive composition based upon an aqueous solution of alkali metal silicate with a content of powdered inorganic filler, having good storage stability, which comprises an aqueous alkali metal silicate solution containing:(a) from 10% to 40% by weight of at least one powdered inorganic filler,(b) a suspension effective amount of at least one zinc soap of a fatty acid having from 12 to 22 carbon atoms and(c) from 0 to about 24% by weight of a 50% by weight stable, aqueous dispersion of an alkali-resistant organic polymer, based on the weight of the total composition.Preferably zinc stearate in amounts of from 1% to 5% by weight are added to the adhesives containing powdered inorganic fillers and optionally organic additives on a base of aqueous water glass solutions, to prevent separation phenomena. Sodium and/or potassium silicate solutions can be used, the sodium silicate solution being preferably present in the ratio by weight of 3.3 to 3.9:1 for SiO.sub.2 /Na.sub.Type: GrantFiled: February 18, 1982Date of Patent: September 6, 1983Assignee: Henkel Kommanditgesellschaft auf AktienInventors: Bernhard Laut, Wolfgang Friedemann, Gerd Krapp
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Patent number: 4402431Abstract: This invention is directed to a dispenser for viscous fluids.Type: GrantFiled: January 19, 1981Date of Patent: September 6, 1983Assignee: Henkel Kommanditgesellschaft auf AktienInventors: Georg Wiegner, Peter Geneschen
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Patent number: 4401673Abstract: Novel 3-(buta-1',3'-dienyl)-cyclopropane-1-carboxylic acid compounds of the formula ##STR1## wherein X.sub.1 and X.sub.2 are individually a halogen and A is selected from the group consisting of (A) benzyl optionally substituted (B) ##STR2## wherein R.sub.1 is selected from the group consisting of hydrogen and --CH.sub.3 and R.sub.2 is selected from the group consisting of aryl and --CH.sub.2 --C.tbd.CH, (C) ##STR3## wherein R.sub.3 is an aliphatic of 2 to 6 carbon atoms containing at least one carbon-carbon unsaturation, (D) ##STR4## wherein R'.sub.1 and R'.sub.2 are individually selected from the group consisting of hydrogen, halogen, alkyl of 1 to 6 carbon atoms, aryl of 6 to 10 carbon atoms, alkoxycarbonyl of 2 to 5 carbon atoms and cyano and R.sub.3 has the above definition, (E) ##STR5## wherein R.sub.4 is selected from the group consisting of hydrogen, --CN, --CH.sub.3, --CONH.sub.2, --CSNH.sub.2 and --C.tbd.CH, R.sub.5 is selected from the group consisting of chlorine and --CH.sub.Type: GrantFiled: January 26, 1981Date of Patent: August 30, 1983Assignee: Roussel UclafInventors: Jacques Martel, Jean Tessier, Pierre Girault
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Patent number: 4401803Abstract: In a process for the preparation of aromatic polyesters by polycondensation of diphenols with chlorides of aromatic dicarboxylic acids by the two-phase interfacial polycondensation process, in which a dispersion as the reaction mixture is prepared from an aqueous phase, which contains the diphenolate formed with the aid of alkali metal hydroxide, and an organic-liquid phase containing the acid chlorides, this dispersion is passed, in the apparatus which is intended for carrying out the process and which comprises a reaction kettle and a dispersing device included with the latter in a circulation, through the dispersing device and the reaction kettle, the acid chloride dissolved in a largely anhydrous chlorinated solvent being continuously fed into this circulation at a point which, in the direction of flow, is upstream of the dispersing device.Type: GrantFiled: January 18, 1982Date of Patent: August 30, 1983Assignee: Isovolta Osterreiche Isolierstoffwerk AktiengesellschaftInventor: Werner Rieder
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Patent number: 4401664Abstract: This invention relates to a cream base composition. More particularly, this invention relates to a cream base composition consisting essentially of:(a) about 70% by weight of glycerin mono-distearate;(b) about 10% by weight of cetyl/stearyl alcohol;(c) about 10% by weight of cetyl palmitate; and(d) about 10% by weight of C.sub.12 -C.sub.18 -triglycerin,based upon the total weight of the composition.Type: GrantFiled: December 9, 1981Date of Patent: August 30, 1983Assignee: Henkel Kommanditgesellschaft auf AktienInventor: Ingeborg Scheuffgen
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Patent number: 4401601Abstract: A process for the preparation of tetrasubstituted cyclopropane compounds of the formula ##STR1## wherein Y is selected from the group consisting of --CN and --COOR, R is selected from the group consisting of hydrogen and alkyl of 1 to 6 carbon atoms and R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are individually selected from alkyl of 1 to 4 carbon atoms or R.sub.1 and R.sub.2 or R.sub.3 and R.sub.4 together with the carbon atoms to which they are attached form a carbon homocycle of 3 to 6 carbon atoms with the 2 substituents not forming the ring being alkyl of 1 to 4 carbon atoms or R.sub.1 and R.sub.2 on the one hand and R.sub.3 and R.sub.4 on the other together with the carbon atom to which they are attached form a carbon homocycle of 3 to 6 carbon atoms which are useful intermediates for the preparation of insecticidal esters and novel intermediates.Type: GrantFiled: March 23, 1981Date of Patent: August 30, 1983Assignee: Roussel UclafInventors: Jacques Martel, Jean Tessier, Jean-Pierre Demoute
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Patent number: 4401667Abstract: Compounds of the formula ##STR1## wherein A is phenyl, 4-hydroxy-phenyl, 2-thienyl, 3-thienyl or 3,4-dihydroxy-phenyl;Het is 4H-5,6-dioxo-1,2,4-triazin-3-yl, 4-methyl-5,6-dioxo-1,2,4-triazin-3-yl, 1-vinyl-tetrazol-5-yl, 1-allyl-tetrazol-5-yl or ##STR2## where n is an integer from 1 to 3, inclusive,R.sub.1 is hydroxyl, amino, dimethylamino, acetylamino, aminocarbonyl, aminocarbonylamino, aminosulfonyl, aminosulfonylamino, methylcarbonyl, methylsulfonylamino, cyano, hydroxysulfonylamino, methylsulfonyl, methylsulfinyl, a carboxylic acid group or a sulfonic acid group, or --(CH.sub.2).sub.n --R.sub.1 may also be alkyl of 2 to 4 carbon atoms or 2,3-dihydroxy-propyl;R.sub.Type: GrantFiled: November 20, 1981Date of Patent: August 30, 1983Assignee: Karl Thomae Gesellschaft mit beschrankter HaftungInventors: Bernd Wetzel, Eberhard Woitun, Wolfgang Reuter, Roland Maier, Uwe Lechner, Hanns Goeth
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Patent number: 4400378Abstract: The method of treating glaucoma with compounds of the formula ##STR1## wherein R.sub.1 is hydrogen, alkyl of 1 to 4 carbon atoms, hydroxy-(alkyl of 1 to 4 carbon atoms), benzyl, halo-benzyl, methyl-benzyl, methoxy-benzyl or allyl;X is oxygen or sulfur; andn is 2 or, when X is sulfur, also 1;or non-toxic, pharmacologically acceptable acid addition salts thereof, and pharmaceutical compositions for use in said treatment.Type: GrantFiled: November 2, 1981Date of Patent: August 23, 1983Assignee: Karl Thomae Gesellschaft mit beschrankter HaftungInventors: Hendricus C. Innemee, Jacobus C. A. van Meel, Adriaan De Jonge, Petrus B. M. W. M. Timmermans, Pieter A. van Zwieten
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Patent number: 4400392Abstract: Novel acaricide compositions containing as the active ingredient, a synergistic mixture of (S).alpha.-cyano-3-phenoxy-benzyl 1R, cis 2,2-dimethyl-3-(2',2'-dibromovinyl)-cyclopropane-1-carboxylate and either 2,2,2-trichloro-1,1-di-(4-chlorophenyl)-ethanol or a mixed anhydride of benzoic acid and 3-chloro-2,6-dimethoxy-N-ethoxy-benzenecarboximidic acid and to a novel method of combatting acariens.Type: GrantFiled: May 26, 1982Date of Patent: August 23, 1983Assignee: Roussel UclafInventors: Jean J. Herve, Serge Smolikowski
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Patent number: 4400509Abstract: An improved process for the trimethylsilylation of organic compounds with at least one active hydrogen atom with hexamethyldisilazane, the improvement comprising effecting the reaction in the presence of 0.001 to 10 mole percent of a catalyst of the formulaX--NH--Y Iwherein X and Y are individually an electron-withdrawing group or when X is an electron-withdrawing group, Y is selected from the group consisting of hydrogen and trialkylsilyl of 1 to 6 carbon atoms or X and Y together with the nitrogen atom to which they are attached form a cyclic electron-withdrawing group and novel trimethylsilylated thiols of the formula ##STR1## wherein R is a 5-or 6-membered heterocycle having at least one nitrogen or sulfur heteroatom and optionally substituted with at least one member of the group consisting of alkyl of 1 to 6 carbon atoms, phenyl, trimethylsilyl, trimethylsilyloxycarbonylmethyl and alkylamino of 1 to 6 carbon atoms, and novel trimethylsilylated 3'-substituted cephalosporanic acid derivatives.Type: GrantFiled: July 6, 1981Date of Patent: August 23, 1983Assignee: Gist-Brocades N.V.Inventors: Cornelis A. Bruynes, Theodorus K. Jurriens
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Patent number: 4400472Abstract: A novel rabies virus strain No. 675 deposited in the Czechoslovak National Collection of Type Cultures of the Institute of Hygiene and Epidemiology in Prague under number CNCTO AO 4/77, novel living or inactivated cell culture vaccines derived therefrom, a process for the isolation of the virus strain as well as a process for the preparation of the said vaccines and novel method of immunizing warm-blooded animals against rabies.Type: GrantFiled: October 13, 1981Date of Patent: August 23, 1983Assignee: Gist-Brocades N.V.Inventor: Gosse Bijlenga
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Patent number: 4400189Abstract: In a multistage countercurrent crystallization apparatus for multistage crystallization by adiabatic recrystallization and extractive washing comprising a vertical column containing a feed line, a waste material discharge, a purified product discharge, a crystallization zone or chamber at one end and a melter or dissolver at the other end, said vertical column containing a crystallizing liquid, a number of perforated plates subdividing said column into multistages, substantially spherical bodies contacting said perforated plates of a size larger than said perforations and designed to cooperate with the perforations of said perforated plates while in motion with respect to said perforated plates, means for vibrating said perforated plates whereby said substantially spherical bodies vehemently vibrate against said perforated plates, the improvement consisting essentially of reciprocating means to move said crystallizing liquid slowly and periodically with respect to said perforated plates in said column where sType: GrantFiled: February 16, 1982Date of Patent: August 23, 1983Assignee: Nederlandse Centrale Organisatie voor Toegepast Natuurwetenschapplijk Onder ZoekInventors: Gerardus J. Arkenbout, Albert van Kuijk, Johannes van der Meer, Leonardus H. J. M. Schneiders
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Patent number: 4399009Abstract: Chlorine and other halogens can be generated by electrolyzing an aqueous alkali metal halide or hydrogen halide between an anode and cathode in an electrolytic cell having a composite semipermeable membrane separating the said electrodes. This membrane is in sheet form and normally comprises a layer, coating or sheet of a fluorocarbon having cation exchange groups disposed on the anode side and a second layer, coating or sheet on the cathode side which is non-fluorinated or is less fluorinated and consequently more hydrophilic (less hydrophobic) than the first layer and which also has cation exchange groups i.e. acid groups or alkali metal salts thereof attached thereto. The less fluorinated cathodic side apparently releases evolved hydrogen more readily than does the more heavily fluorinated anode layer, particularly when the cathode is in contact with or bonded to and/or embedded in the membrane.Type: GrantFiled: December 29, 1981Date of Patent: August 16, 1983Assignee: Oronzio deNora Impianti Elettrochimici S.p.A.Inventor: Raymond S. Chisholm
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Patent number: 4398548Abstract: The present invention relates to a method and apparatus for moistening tobacco leaves (31) by passing bundles of leaves (31) through a space (7) containing atomized water which bundles according to the invention are passed through said space (7) while being suspended from the base thereof with the leaves hanging downwardly which bundles to this end are clamped with the base of the bundle in spaced apart clamping means (8) which are freely rotatably connected to an endless conveyor chain (2) said clamping means (8) during their passage through the said moisture containing space (7) are rotated by frictional engagement with one or more endless belts (11,11') while the nozzles (21,22) which atomize the water create turbulence in said space (7).Type: GrantFiled: November 10, 1980Date of Patent: August 16, 1983Assignee: Machinefabriek Wegra B.V.Inventor: Cornelis J. M. van Weert
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Patent number: RE31354Abstract: A process for the coating of metal tubes by the application of polyethylene to the preheated tubes, a polyethylene with a melt index of over 1 g/10 minutes being applied first to the pre-heated metal tube and a polyethylene with a low melt index being applied thereupon, the process comprising a first step of applying a polyethylene with a melt index of 1.2 to 70 g/10 minutes (190.degree. C./2.16 kg) to the metal tube which has been pre-heated to a temperature of at least 200.degree. C., a second step in which the coating is cooled to a temperature of about 110.degree. to 170.degree. C. and a third step of applying a self-supporting film of polyethylene with a melt index of 0.1 to 7 g/10 minutes at this temperature so that the total coating has a minimum layer thickness of 1.5 to 4 mm and a coated article coated according to said process.Type: GrantFiled: September 16, 1982Date of Patent: August 23, 1983Assignee: Hoechst AktiengesellschaftInventor: Gunter Eckner