Patents Represented by Law Firm Burgess, Dinklage & Sprung
  • Patent number: 4117197
    Abstract: In the production of a coated building component comprising the steps of mixing an inorganic binder, water and aggregate to produce a workable mass, molding said mass into a preformed component, applying to the preformed component an aqueous paste containing a metal oxide and at least one of waterglass and a phosphate to form a coating and allowing the coating to harden, the improvement which comprises applying about 190 to 400 g of the paste per square meter of surface to be coated, the application being effected in the presence of at least about 0.5% by weight of the inorganic binder or, in the case of lime-sand bricks, by weight of the binder plus aggregate, of a water soluble inorganic salt which converts the aqueous paste into a gel-like non-flowing form.
    Type: Grant
    Filed: September 7, 1976
    Date of Patent: September 26, 1978
    Assignee: Bayer Aktiengesellschaft
    Inventors: Milan Krejci, Peter Kresse
  • Patent number: 4115427
    Abstract: A process for preparing a silicon-nitrogen compound of the formula (R.sub.3 Si).sub.n NR'.sub.3-n or R.sub.2 Si(NR'.sub.2).sub.2 or RSi(NR'.sub.2).sub.3 or cyclic --R.sub.2 SiNR'--.sub.x wherein n is 1 or 2 or 3, R' is a hydrogen atom or an alkyl moiety of 1 to 8 carbon atoms or aryl moiety, R represents an alkyl moiety of 1 to 20 carbon atoms or aryl moiety and x is 3 or 4, by contacting a hydrogen silane of the formula R.sub.4-y SiH.sub.y where y is 1 or 2 or 3 and R has the above-described meaning with an ammonia or an amine of the formula NR'.sub.3-n H.sub.n' where R' and n have the above meanings in the presence of a catalyst.
    Type: Grant
    Filed: August 29, 1977
    Date of Patent: September 19, 1978
    Assignee: Dynamit Nobel Aktiengesellschaft
    Inventors: Hans-Joachim Kotzsch, Rudiger Draese, Hans-Joachim Vahlensieck
  • Patent number: 4115121
    Abstract: Color photographic material is provided which contains at least one silver halide emulsion layer containing a yellow color coupler of the formula ##STR1## wherein G is the radical of a yellow coupler which is bonded to the heterocyclic ring by means of the active methylene group, Z is --CO-- or --SO.sub.2 --, M is hydrogen if Z is --CO--; or a substituent and R is hydrogen or a substituent.
    Type: Grant
    Filed: March 30, 1977
    Date of Patent: September 19, 1978
    Assignee: Ciba-Geigy AG
    Inventors: Graham Evans, Mario Fryberg, Thomas Stauner, Paul Tschopp, David G. Leppard
  • Patent number: 4114233
    Abstract: Window trim assembly of extruded plastic sections for mobile homes and the like, having a rear mounting base member and a front member having shade, drapery or valance mounting formations which is releasably coupled to the base member. The mounting base member has a base panel to be mounted against a building wall and an outwardly projecting mounting rib to be interfitted in a channel recess of the front member and held therein by interlocking teeth. Side jamb sections and a bottom section can be added.
    Type: Grant
    Filed: March 31, 1977
    Date of Patent: September 19, 1978
    Assignee: Val-Trac Incorporated
    Inventor: Gerald A. Hamilton
  • Patent number: 4115652
    Abstract: A process for the preparation of an amino-nitro-phenol by partial reduction of a polynitrophenol by contacting the polynitrophenol with an aqueous ammonia solution and a sulfide ion, the ammonia being present in an amount of 1 to 8 mols ammonia per mol of polynitrophenol and the sulfide being present in an amount of 2.5 to 6 mols sulfide ion per mol polynitrophenol, the process being conducted at a temperature of from room temperature to 100.degree. C.
    Type: Grant
    Filed: March 30, 1977
    Date of Patent: September 19, 1978
    Assignee: Bayer Aktiengesellschaft
    Inventors: Karl Linhart, Adolf Friedrich
  • Patent number: 4115346
    Abstract: Polymerizable hydrox-group-containing diesters of acrylic acids for dental material are prepared by reacting 3-(3,4-epoxycyclohexyl)-8,9-epoxy-2,4-dioxaspiro(5,5) undecane or a bis-epoxide of formula (A) ##STR1## or a bis-epoxide of formula (B) ##STR2## with a hydroxyalkylacrylate or hydroxyalkylmethacrylate containing 2 to 10 carbon atoms in the alkyl portion, n being 0 or 1 in formula (A) with the proviso that whenn in 0, X is --O-- and R.sup.1 is --H; and whenn is 1, X is selected from the group of alkylene with 1 to 10 carbon atoms, C.sub.1-3 -alkyl substituted alkylene with 1 to 10 carbon atoms, --O--(CH.sub.2).sub.m --O-- where m is 1 to 10, --CH.sub.2 --OCO--(CH.sub.2).sub.p --COO--CH.sub.2 where p is 1 to 6, and --CH.sub.2 --OCO--, and R.sup.1 is --H or --CH.sub.3,and in formula (B) ##STR3## OR TRICYCLO-[5,2,1,0.sup.2,6 ]-DECYLENE.
    Type: Grant
    Filed: June 22, 1976
    Date of Patent: September 19, 1978
    Assignee: Kulzer & Co. GmbH
    Inventors: Albert Gross, Roland Schaefer
  • Patent number: 4115465
    Abstract: A process for separating an aromatic hydrocarbon of the general formula ##STR1## wherein R represents an alkyl group having 1 to 3 carbon atoms andn is 0, 1, 2, or 3 (and wherein the groups R, when n is 2 or 3 can be the same or different),From a mixture comprising said compound and one or more aliphatic hydrocarbon, cycloaliphatic hydrocarbon, alcohol, ether, ketone or a carboxylic acid ester which comprises contacting said mixture with a polyurethane membrane.
    Type: Grant
    Filed: May 26, 1977
    Date of Patent: September 19, 1978
    Assignee: Bayer Aktiengesellschaft
    Inventors: Klaus Elfert, Hans Jurgen Rosenkranz, Hans Rudolf
  • Patent number: 4115133
    Abstract: An unburnt refractory mass, which can be in the form of a brick, for use in vessels employed in metallurgical refining consisting essentially of chromium-ore, sintered magnesia and a carbon-containing binder, said mass consisting essentially of:75 to 95% by weight chromium ore having a Cr.sub.2 O.sub.3 content of at least 30% by weight;0 to 19% sintered magnesia poor in iron content; and2 to 7% hard pitch combined with 1.5 to 5% carbon so as to provide an overall residual carbon of 3 to 6%.
    Type: Grant
    Filed: August 24, 1977
    Date of Patent: September 19, 1978
    Assignee: Magnesital-Feuerfest GmbH
    Inventors: Rudolf Kunkele, Hans-Peter Engelhardt
  • Patent number: 4115079
    Abstract: A process of treating an aqueous liquor which has been used to scrub a hot raw gas produced by the gasification of a solid, liquid or gaseous fuel, which liquor has dissolved therein gaseous pollutant, comprising flashing said liquor from a temperature of at least 100.degree. C and a pressure of at least about 5 bars in at least on preliminary flashing stage to an intermediate pressure in the range of about 1.1 to 4 bars, separating the flashed-off gases containing the bulk of the pollutants from the residual aqueous liquor, and then flashing off the residual liquor to atmospheric pressure. The pollutant gas may contain H.sub.2 S and the gas product of the preliminary flashing can be fed to a Claus process for removing sulfur compounds.
    Type: Grant
    Filed: April 20, 1977
    Date of Patent: September 19, 1978
    Assignee: Metallgesellschaft Aktiengesellschaft
    Inventors: Gunter Pockrandt, Helmut Fellner
  • Patent number: 4115542
    Abstract: O-Alkyl-O-(6-alkanesulphonyloxy-pyrimidin(4)yl)-(thiono) (thiol) phosphoric (phosphonic) acid esters and ester-amides of the formula ##STR1## in which R and R.sup.3 each independently is alkyl,R.sup.1 is alkyl, alkoxy, alkylthio, alkylamino or phenyl,R.sup.2 is alkyl, alkoxy, alkylthio, alkylamino or hydrogen,R.sup.4 is hydrogen, halogen or alkyl, andX is oxygen or sulphur, which possess arthropodicidal properties.
    Type: Grant
    Filed: May 5, 1977
    Date of Patent: September 19, 1978
    Assignee: Bayer Aktiengesellschaft
    Inventors: Fritz Maurer, Hans-Jochem Riebel, Ingeborg Hammann
  • Patent number: 4115462
    Abstract: Process for the preparation of cycloaliphatic hydrocarbons by gas phase hydrogenation of aromatic hydrocarbons in the presence of palladium catalyst, characterized in that palladium catalyst is used which contains the palladium applied to a support which comprises aluminium oxide of which at least 20% by weight, relative to the weight of the support, has been converted to lithium-aluminium spinel. The gas phase hydrogenation can be carried out at atmospheric pressure.
    Type: Grant
    Filed: April 19, 1977
    Date of Patent: September 19, 1978
    Assignee: Bayer Aktiengesellschaft
    Inventors: Hermann Thelen, Kurt Halcour, Wulf Schwerdtel, Wolfgang Swodenk
  • Patent number: 4114224
    Abstract: In a mop comprising a plurality of absorptive elements, a handle, and means joining said elements to said handle, the improvement wherein said absorptive elements comprise substantially flat strips of bonded nonwoven fabric, said strips ranging in width from about 5 to 60 mm, in length from about 15 to 60 cm and in thickness from about 0.5 to 3 mm. Binder may be printed onto the elements. The elements are flat and thus there is a greater area of contact with the surface being mopped. The elements may be joined into a round or elongate cross section mop by providing the elements with cuts through which a male member projects, the male member locking with a snap fit into a female member to which a mop handle is attached. Projections may be provided in the male and/or female members to immobilize the absorptive elements.
    Type: Grant
    Filed: January 17, 1977
    Date of Patent: September 19, 1978
    Assignee: Firma Carl Freudenberg
    Inventor: Eberhard Disko
  • Patent number: 4115653
    Abstract: Electron beam vaporizer having a beam generator with a heated cathode, focusing means and electromagnetic deflection means for the deflection and guidance of the beam. An exchangeable, fluid-cooled and preferably rotatable vaporizing crucible associated with the beam generator and having at least one depression in the base thereof for at least one substance to be vaporized. The crucible has passages for the flow of a coolant beneath the depression and the base of the vaporizing crucible is constructed as separate components having a common contact surface so that a removable crucible head is formed. The crucible base is closed off from its environment with regard to the flow passages.
    Type: Grant
    Filed: October 4, 1976
    Date of Patent: September 19, 1978
    Assignee: Leybold-Heraeus GmbH & Co. KG
    Inventors: Gerhard Kienel, Helmut Petersein
  • Patent number: 4113975
    Abstract: A process for the removal of acids and potential acid-forming agents from a composition containing such acids and potential acid-forming agents and an alkylphenol which composition is obtained by reacting phenols with alkenes in the presence of sulfuric acid or a sulfonic acid, and for treating the effluent thereby obtained, the process being characterized by the steps of:(a) extracting a major amount of the acid constituents from the alkylphenol mixture by means of water;(b) treating the alkylphenol mixture with a dilute aqueous alkali solution in an amount such that the alkali is insufficient to neutralize all the acid originally present in the alkylphenol mixture,(c) separating the alkylphenol mixture from the aqueous alkali solution;(d) combining the aqueous phases obtained from steps (a) and (b);(e) heating the combined aqueous phases to a temperature of 100.degree. to 200.degree. C,(f) separating off the organic phase obtained in step (e); and(g) discharging the aqueous phase.
    Type: Grant
    Filed: January 6, 1977
    Date of Patent: September 12, 1978
    Assignee: Bayer Aktiengesellschaft
    Inventors: Helmut Fiege, Josef Haydn, Johann Renner, Karlfried Wedemeyer
  • Patent number: 4113649
    Abstract: Process of solubilizing alkali- and alkali-earth metal salts, characterized in that the salts are reacted in the presence of solvents if desired, with open-chain polyethyleneglycoldiethers of the general formulaRO--[CH.sub.2 CH.sub.2 O].sub.n R'wherein n = 6 or more and R and R' are identical or different and represent alkyl, aryl or cycloalkyl groups respectively, the polyethyleneglycoldiethers having at least 7 oxygen atoms which are separated from one another each by two carbon atoms. The process can also be used to dissolve alkali metals.
    Type: Grant
    Filed: August 4, 1976
    Date of Patent: September 12, 1978
    Assignee: Studiengesellschaft Kohle mbH
    Inventors: Herbert Lehmkuhl, Farroch Rabet
  • Patent number: 4113172
    Abstract: Centrifuge (FIG. 1) having an insert composed of lower portion 9a and upper portion 9b. The insert portions have helical passageways, respectively, 24, 26, for circulation of a heat exchange fluid for temperature control of the separated solids in solids chamber 8. A rib 31 joins the insert portions and has a passageway 25 for transfer of the fluid from the helical passage of the lower portion 9a to the helical passageway of the upper portion 9b, and a passageway 27 for discharge of the fluid.
    Type: Grant
    Filed: June 29, 1977
    Date of Patent: September 12, 1978
    Assignee: Westfalia Separator Aktiengesellschaft
    Inventors: Gunthard Pautsch, Werner Kohlstette
  • Patent number: 4113835
    Abstract: A process for the purification of phosphate containing impure gypsum to obtain therefrom calcium sulfate semihydrate in a purified form by digesting the phosphate containing gypsum with nitric acid at a temperature between 22.degree. and 100.degree. C, the temperature and nitric acid concentration being regulated such as to dissolve most of the phosphate impurities and to allow the recovery of calcium sulfate semihydrate.
    Type: Grant
    Filed: November 10, 1976
    Date of Patent: September 12, 1978
    Assignee: Veba-Chemie Aktiengesellschaft
    Inventors: Hans-Friedrich Kurandt, Dietrich Schliephake
  • Patent number: 4113767
    Abstract: 6-Tert.-butyl-3-mercapto-4-amino-1,2,4-triazin-5(4H)-one is prepared by reacting pinacolone with a sulfur chloride at 0.degree. to 80.degree. C, optionally reacting the mixture with an aqueous amine solution, hydrolyzing the resulting product with an alkali metal hydroxide, heating the resulting mixture from 2 to 10 hours at 80.degree. to 150.degree. C, liberating a 3,3-dimethyl-2-oxo-butyric acid by acidifying with a mineral acid and reacting an aqueous solution of said 3,3-dimethyl-2-oxo-butyric acid with thiocarbohydrazide to yield the desired product.
    Type: Grant
    Filed: December 15, 1975
    Date of Patent: September 12, 1978
    Assignee: Bayer Aktiengesellschaft
    Inventor: Walter Merz
  • Patent number: 4113702
    Abstract: A process for the preparation of a varnish resin having a viscosity of 1000 to 4000 cP, an acid number from 0 to 1 and an OH number between 100 and 250, useful in the absence of a solvent, by a two-step process involving condensation of a polycarboxylic acid or anhydride with a polyalcohol in a first step until there is obtained an intermediate resin whose acid number is between 10 and 80 and whose viscosity is between 30,000 and 180,000 cP and wherein in the second step there is added to the resultant resin from the first step a glycidyl ester of a saturated aliphatic carboxylic acid and the same is condensed with the resultant resin at a temperature of 110 to 150.degree. C until the acid number of the resin is between 0 and 1 and the resin has a viscosity between 1000 and 4000 cP.
    Type: Grant
    Filed: July 22, 1975
    Date of Patent: September 12, 1978
    Assignee: Dynamit Nobel Aktiengesellschaft
    Inventor: Erich Psencik
  • Patent number: 4113496
    Abstract: A dry image forming material with an increased sensitivity, characterized by including a) an organic silver salt oxidizing agent, b) a reducing agent and c) a compound or a composition which comprises a halogen component and an organic component containing an element except for sulfur belonging to the IV group, V group or VI group of the periodic table and having an atomic number of 14 or more, and is adapted, by heating, to interact with the silver ion of a) to form a photosensitive interaction product. The dry image forming material according to this invention is of the type of post-activation and can be prepared, stored and handled under normal lighting conditions. The post-activation type dry image forming material according to this invention can be spectrally sensitized by incorporation of a sensitizing dye.
    Type: Grant
    Filed: December 16, 1976
    Date of Patent: September 12, 1978
    Assignee: Asahi Kasei Kogyo Kabushiki Kaisha
    Inventors: Tetsuo Shiga, Masaru Ozaki, Tatsumi Arakawa, Hidehiko Kobayashi