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| Number | Title | Issue Date |
| 5820700 | Nickel base superalloy columnar grain and equiaxed materials with improved performance in hydrogen and air A nickel base superalloy, having either columnar or equiaxed grain structure, which has significantly improved resistance to hydrogen embrittlement, and to fatigue in air is disclosed. The superalloy consists essentially of, in weight percent, about 0.006... | 10/13/1998 |
| 5735448 | Method of repairing surface and near surface defects in superalloy articles such as gas turbine engine components A repair coating for superalloy articles, such as gas turbine engine components, includes a volatile organic carrier or water-based carrier, a fluxing agent, a thickening agent, balance a filler mix. The filler mix consists of at least two distinct partic... | 04/07/1998 |
| 5725692 | Nickel base superalloy articles with improved resistance to crack propagation The present invention relates to a heat treated, gamma prime precipitation strengthened nickel base alloy having an improved resistance to hydrogen embrittlement, particularly crack propagation. The alloy has a microstructure which is essentially free of ... | 03/10/1998 |
| 5674585 | Composite thermal insulation structure A composite thermal insulation structure particularly suited for gas turbine engine applications is disclosed. An aspect of the present invention includes a composite thermal insulation structure having a backing, a ceramic pile woven substantially perpen... | 10/07/1997 |
| 5559191 | Functionalised hydrocarbyl polymers This invention relates to a process for functionalising synthetic hydrocarbyl polymers having at least one olefinic group by (i) reacting at elevated temperature the synthetic hydrocarbyl polymer with an alkyne compound substituted with at least one elect... | 09/24/1996 |
| 5309900 | Atomizer particularly for use in devices for inhalation therapy Inhalation therapy is not only used for the treatment of respiratory tract diseases, but also increasingly for administering other medicinal substances. In this kind of therapy, the substance is made available to the patient for inhalation in the form of ... | 05/10/1994 |
| 5308694 | Barrier layer for floor and wall coverings Floor and wall covering materials are provided with a barrier layer to inhibit the migration or dispersion of organic stainants from the surface of the underlying floor or wall into the decorative portions of the covering materials. The barrier layer comp... | 05/03/1994 |
| 5294752 | Multi-layer elastic sleeves for electric power cable joints and joints therewith An electric covering for a joint between a pair of electric cables, a device including such covering in elastically expanded condition on a rigid tubular support and electric cable joints including such covering. The covering includes at least two elastic... | 03/15/1994 |
| 5292780 | Compositions for friction elements This invention relates to a composition suitable for use in friction elements and comprises a frictional material and a binder, the latter being a blend of a polyvinyl alkyl ether with a phenolic resin and optionally a rubber. Compared with conventional f... | 03/08/1994 |
| 5281345 | Process for the preparation of a lubricating oil additive concentrate with an organic halide catalyst A process for the production of a lubricating oil additive concentrate comprises reacting at elevated temperature the following components: component (A) a defined acid component (B)--a calcium base added either in a single addition or in a plurality of additi... | 01/25/1994 |
| 5274181 | Catalysts and processes for the manufacture of vinyl acetate A shell impregnated catalyst for use in the production of vinyl acetate from ethylene, acetic acid and an oxygen containing gas is provided. The catalyst has a productivity of greater than 661 grams of vinyl acetate per hour per liter of catalyst at 150°... | 12/28/1993 |
| 5262688 | Operational amplifier circuit An operational amplifier circuit having a phase-compensating capacitor disposed between the output of an amplifier circuit as a first stage and the output of an amplifier circuit as a second stage is provided with a potential holding circuit for maintaini... | 11/16/1993 |
| 5241023 | Process and device for the gas phase polymerization of alpha-olefins The present invention relates to a process and a device for polymerizing alpha-olefins such as ethylene or propylene in a gas phase. The device comprises a gas phase polymerization reactor (5) into which a suspension of prepolymer particles in liquid satu... | 08/31/1993 |
| 5234612 | Process for the production of ester derivatives useful as fuels and lubricating oil additives and novel esters produced thereby Ester derivatives useful as fuels and lubricating oil additives are prepared by the Michael addition of an alkyl acrylate to an amine to produce an intermediate ester, followed by an ester interchange with the intermediate ester to produce the final ester... | 08/10/1993 |
| 5217358 | Scroll type compressor with elongated discharging part In a scroll type compressor, a discharging port in a side plate of a stationary scroll member is formed in an elongated shape, such as an oval, so that a tip-seal element provided in the beginning area of a movable spiral body does not interfere with the ... | 06/08/1993 |
| 5218143 | Process for preparing carboxylic acids An improved liquid-phase process for preparing carboxylic acids having (n+1) carbon atoms by rhodium catalyzed carbonylation of an alcohol having n carbon atoms is provided. The process is particularily suitable for preparing acetic acid from methanol in ... | 06/08/1993 |
| 5210210 | Chiral auxiliaries and their use in the synthesis of chiral molecules Chiral imidazolidones and imidazolidinethiones having the general formula: ##STR1## where (a) Z is either oxygen or sulphur (b) the R groups are independently selected from hydrogen or R2 CO where R2 is C1 to C10 | 05/11/1993 |
| 5177186 | Process for preparing polyketones with aprotic polar solvent comprising up to 0.5% by weight water A process for preparing terpolymer polyketones comprises reacting at least two olefins with carbon monoxide at elevated temperature and pressure in the presence of a catalyst prepared from (a) a source of palladium, (b) a source of an anion which either d... | 01/05/1993 |
| 5169815 | Chromium-containing complex polymerization catalyst The present invention relates to an olefin polymerization catalyst obtainable by depositing on a dry inorganic oxide support a monocuclear chromium complex to produce a catalyst precursor and thereafter by thermally activating the said catalyst precursor.... | 12/08/1992 |
| 5154525 | Toilet water applicator An applicator for toilet water or the like which has an internal capillary structure for delivering liquid from a liquid storage cavity to a dispensing ball. The capillary structure includes a multiplicity of chambers penetrated by a narrow groove for tra... | 10/13/1992 |
| 5154825 | Automatic filter press Disclosed is a filter press comprising a substantially cylindrical vessel, a plurality of filter elements disposed in the vessel parallel to one another, and a rotor having a rotor shaft rotatably mounted in the vessel and a plurality of rotor elements fi... | 10/13/1992 |
| 5152121 | Dispenser-container for wet tissues, and a process for manufacturing the same and an apparatus therefor A dispenser-container for wet tissues comprises wet tissues impregnated with liquid and a container, which is a cylinder, a box or a bag made of a flexible and impervious sheet, having the wet tissues contained therein. The tissues are made of a continuou... | 10/06/1992 |
| 5130590 | Brushless generator regulated by second rotor A generator includes a permanent magnet rotor (1) rotatably mounted within a casing, a Randell (claw-tooth) rotor (1A) mounted for rotation in unison with the permanent magnet rotor, an armature coil (5) associated with the permanent magnet rotor and the ... | 07/14/1992 |
| 5119984 | Manufacture of metal tubes An apparatus for forming metal tubes is shown in which a metal strip 2' having a brazing wire 1 bonded to an edge portion thereof passes through the apparatus and is formed by a combination of rollers 17, 17', 19, 19' and dies 15, 24 into a shape defining... | 06/09/1992 |
| 5115564 | Method for fracturing connecting rods A method for fracturing the cap and shaft of connecting rods manufactured by powder forging in which the cap or the shaft of the connecting rod is fixed on a support movable perpendicularly to the plane of fracture, the portion of the connecting rod not f... | 05/26/1992 |
| 5114600 | Fabric conditioners This invention relates to fabric conditioning formulations containing as thickeners a cross-linked cationic polymer of an ethylenically unsaturated monomer or blend of monomers, wherein the cross-linking agent is 5-45 ppm of a cross-linking agent comprisi... | 05/19/1992 |
| 5111571 | Method for manufacturing a body with a surface of revolution at its end with the axis thereof aligned with an axis of the body A method of manufacturing a body with a surface of revolution at one end co-axial with an axis of the body in which the body is mounted on a rotatable shaft with the body axis coaxial with the shaft axis, such shaft being movable by a limited amount trans... | 05/12/1992 |
| 5110781 | Catalysts A process for the preparation of an alumina-based catalyst which comprises: (a) selecting an alumina catalyst having a bulk density of at least 0.6 g/ml and a pore volume of less than 0.6 ml/g; (b) heating the alumina of (a) to a temperature of at least 1000° C. ... | 05/05/1992 |
| 5108495 | Method controlling a process by impedance analysis The invention relates to a method for controlling a process operating by means of the electrochemical potential, in which process complex ores and/or concentrates are treated in order to arrange the valuable components in the materials in a form appropria... | 04/28/1992 |
| 5082460 | Electrical terminal with frangible mounting leg and method of forming the same A solid single leg terminal includes an electrical conductor end portion at one end and an opposing substantially solid mounting end portion for mounting through a whole other printed circuit board. The mounting end portion forms an elongate mounting leg ... | 01/21/1992 |
| 5042220 | Fastener and strip mounting system A wooden architectural moulding includes fasteners spaced from each other and each include a continuous mounting groove of re-entrant profile having inwardly facing internal ledges, and a unitary fastener provided with deformable limbs having profiled nos... | 08/27/1991 |
| 5026674 | Process for preparing polyketones A process for preparing interpolymers of an olefin(s) and carbon monoxide (polyketones) is provided. The process employs a palladium catalyst prepared by reacting together a palladium source, a bidentate amine, phosphine, arsine or stibine and a source of... | 06/25/1991 |
| 5025071 | Crosslinkable silyl polymer composition The inclusion of an ester of a linear dibasic acid having from 4 to 14 carbon atoms and a branched alcohol having from 4 to 14 carbon atoms in a composition comprising a silyl polymer and an organometallic silanol condensation catalyst, increases the tend... | 06/18/1991 |
| 5001248 | Silicone surfactants The invention relates to silicone surfactants having the general formula: MDx D'y M wherein M is a (CH3)3 SiO0.5 -- group; D is a --(CH3)2 SiO-- group; D is a --(CH3)(R2 | 03/19/1991 |
| 4973717 | Production of alcohols and ethers by the catalysed hydrogenation of esters An alcohol and/or an ether is produced from a carboxylic acid ester by reacting the ester with hydrogen at elevated temperature in the presence as catalyst of a composition comprising an alloy of (i) at least one noble metal of Group VIII of the Periodic ... | 11/27/1990 |
| 4946811 | Method for mixing molten iron silicate with ferroalloy slag in order to produce fire-resistant and chemically resistant fiber The present invention relates to a method for preparing iron silicate slags, by means of mixing with ferroalloy slag, to a molten slag which can be defibrated into fire-resistant and chemically resistant fibers. The advantageous composition for the molten... | 08/07/1990 |
| 4944839 | Interstage liquor heater for plate type falling film evaporators A falling film evaporator in which some plate elements have their upper portions surrounded by a hood to prevent feed liquor from contacting hot vapor generated in the evaporator and exchanging heat therewith by direct contact. Other elements are located ... | 07/31/1990 |
| 4940289 | Scabbler for scabbling floors contaminated with hazardous materials A manually steerable machine for scabbling areas which are relatively inaccessible to larger machines is disclosed. Three pneumatically operable piston and cylinder assemblies with bits are mounted on a plate which is mounted in vertically movable relatio... | 07/10/1990 |
| 4939310 | Conversion of methane to higher hydrocarbons Methane is converted into higher hydrocarbons by contact at a temperature in the range from 500° to 1000° C. with a contact solid comprising a manganese oxide incorporating at least one of the elements tin, titanium, tungsten, tautalum, silicon, germani... | 07/03/1990 |
| 4937057 | Method for removing sulphur in elemental form from gases containing sulphur dioxide or sulphur dioxide and hydrogen sulphide The present invention relates to a method for removing sulphur dioxide and possible hydrogen sulphide as well as nitric oxides from exhaust gases by means of sulphides in a liquid phase so that the sulphur is recovered in the form of molten elemental sulp... | 06/26/1990 |
