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| Number | Title | Issue Date |
| 4456253 | Hardboard-bonded melamine overlaid surface for bowling lane A panel suitable as a bowling lane surface comprising a melamine impregnated protective layer bonded under heat and pressure to a hardboard substrate. The melamine impregnated protective layer is comprised of one or more melamine resin impregnated decorat... | 06/26/1984 |
| 4453951 | Process for the production of silicone carbide composite Sintered silicon carbide composites containing diamond crystals are made through a process wherein a first dispersion of diamond crystals and carbon black in paraffin is formed, along with a second dispersion of carbon fiber, carbon black and filler in pa... | 06/12/1984 |
| 4449746 | Mobile computerized tomography unit A self-contained mobile computer tomography scanner (CT scanner) unit equipped with full support systems.... | 05/22/1984 |
| 4443395 | Method for preparing thin sections for the microscopic study of small fragments of rock or dust, using a plate containing cells This invention relates to a method for preparing thin sections for the microscopic study of small fragments of rock, dust, microfossils or miscellaneous debris, agglomerated into pellets of special characteristics. The method according to the invention co... | 04/17/1984 |
| 4433984 | Low residence time solid-gas separation device and system This invention relates to an apparatus and method for rapidly separating particulate solids from a mixed phase solids-gas stream which may be at velocities up to 150 ft./sec. and at high temperature. Specifically, the device is designed for incorporation ... | 02/28/1984 |
| 4427594 | Oxidative coupling of phenolic monomers with manganese complexes of phenyl benzoin oxime catalysts This invention provides a novel process for the oxidative coupling of phenolic monomers with novel manganese complexes of phenyl benzoin oximes.... | 01/24/1984 |
| 4426359 | Solids quench boiler Apparatus for quenching and cooling the reactor effluent in a thermal regenerative cracking (TRC) system. The quench apparatus includes a section for introducing relatively cool particulate solids into a hot effluent stream to effect initial quenching and... | 01/17/1984 |
| 4423176 | Molding compositions comprising polyphenylene ether, polysulfone and vinyl aromatic-diene block copolymer Molding compositions comprising a polyphenylene ether, a polysulfone, and a selectively hydrogenated linear or radial block copolymer comprising vinyl aromatic compound and dienes, optionally further including a plasticizer, possess excellent impact resis... | 12/27/1983 |
| 4422458 | Method and apparatus for detecting respiratory distress A method and apparatus for detecting respiratory distress is disclosed wherein the increasing force of contraction of the heart, which occurs during a respiratory distress condition is detected and utilized to signal the condition. More particularly, the ... | 12/27/1983 |
| 4421903 | Platinum complex catalysts Platinum complexes of unsaturated siloxanes, substantially free of inhibitory compounds, provide superior hydrosilation catalysts when produced by heating a platinum compound with an unsaturated siloxane of the formula wherein R is free of aliphatic unsat... | 12/20/1983 |
| 4421883 | Polyphenylene ether molding compositions that include an alkenyl aromatic resin and an EPDM rubber Novel molding compositions are disclosed which comprise a polyphenylene ether resin, an alkenyl aromatic resin and EPDM rubber.... | 12/20/1983 |
| 4419485 | Shaped articles and process for the production thereof Shaped articles comprising a branched, high molecular weight poly(alkylene terephthalate) polyester resin and obtained by providing a molten, self-supporting preform of the resin, shaping the molten preform into a final form and allowing the shaped prefor... | 12/06/1983 |
| 4419405 | Ultraviolet light absorbing agents and compositions and articles containing same There are provided ultraviolet light absorbing agents of the following general formula ##STR1## wherein: ##STR2## Y is H or OH, Z is H, OH, OQ or OW, where at least one Z is OH if Y is H; Q is --CH2 (CH2)n Si(R2 | 12/06/1983 |
| 4418727 | Weft insertion devices on looms having a motionless weft reserve A weft transfer device having special configuration of leading and drawing pincers for inserting the weft in a shuttleless loom. The device includes a leading pincer having a boxlike body shaped to offer the entrance at high speed of the wefts and smooth ... | 12/06/1983 |
| 4418224 | Preparation of ortho-alkylated phenols using magnesium compound catalysts Ortho-alkylated phenols are prepared by reacting phenol unsubstituted in at least one ortho position with an alcohol in the presence of an ortho-alkylation catalyst consisting of magnesium carbonate, magnesium hydroxide or a mixture of both. The catalyst ... | 11/29/1983 |
| 4418059 | Nucleoside ester compositions A composition comprising a nucleosidic anti-tumor agent esterified with a carboxylic acid-containing steroid is described. These steroid ester derivatives of, for example, a deoxyuridine compound provide enhanced anti-tumor effects in chemotherapy as comp... | 11/29/1983 |
| 4417906 | Process for production of silicon carbide composite A process for producing a sintered silicon carbide composite includes the steps of forming a first dispersion of diamond crystals and carbon black in paraffin, as well as forming a second dispersion of carbon fiber, carbon black and filler in paraffin. Th... | 11/29/1983 |
| 4417606 | Weft propelling grippers for textile looms Weft inserting and withdrawing grippers for a shuttleless weaving machine are disclosed, wherein the weft inserting gripper has a clamping member composed of pivoting blade-type foot biased by a spring and mounted in such a way that the foot bears against... | 11/29/1983 |
| 4417537 | Mooring buoy for tanker ships A mooring buoy structure for tanker ships is disclosed which comprises an anchoring block secured to the sea bottom, a vertical structure for supporting piping which conveys crude petroleum and like fluids from and to the ship, and a swinging arm installe... | 11/29/1983 |
| 4415186 | Flanging system for suspending casting and tubing columns for high pressure oil or gas wells A flanging system for suspending casing and tubing columns for very deep, high pressure oil or gas wells having superimposed spools with adjacent outer flanges for joining the spools, and hangers having axial cylindrical bores therethrough. The spools inc... | 11/15/1983 |
| 4415185 | Flexible metal coupling for joining underwater pipes laid at great depth A pliable metallic joint for underwater pipelines laid at great depths, having a bellows-like section of a pliable metal or alloy, which is externally reinforced by a sturdy metal wire coiling positioned in the grooves of said bellows and which is interna... | 11/15/1983 |
| 4414352 | Thermoplastic molding compositions and process Flame-retardant thermoplastic molding compositions having improved physical and electrical arc track resistant properties are provided, the compositions comprising an intimate admixture of (a) a high molecular weight poly(1,4-butylene terephthalate) homo- or ... | 11/08/1983 |
| 4413142 | Method for preparing L-carnitine L-carnitine is prepared by a synthesizing process starting from D-mannitol. The synthesis is started with the formation of a D-mannitol ketonide (more specifically D-mannitol acetonide from D-mannitol and acetone, whereafter the D-mannitol is split by oxi... | 11/01/1983 |
| 4413088 | Silicone resin coating composition especially suited for primerless adhesion to cast acrylics An improved silicone resin abrasion resistant coating composition is provided, the composition comprising a dispersion of colloidal silica in an aqueous-organic solvent solution of the partial condensate of a silanol and a small amount of a polysiloxane p... | 11/01/1983 |
| 4411760 | Electrolytic cells To solve pollution problems in electrolytic cells for the production of zinc by electrolyzing a solution of a zinc salt, shielding baffles are provided above the cell anodes, the gap between adjoining baffles being such as to provide a satisfactory tight ... | 10/25/1983 |
| 4411565 | Finishing insert with improved chip control A finishing insert for use with an indexable cutting tool is formed from a flat wafer of cutting material which is generally polygonal in plan form and includes a pair of opposed faces and a plurality of upstanding side walls extending therebetween. The j... | 10/25/1983 |
| 4411293 | Device for keeping constant both the speed and the tension when reeling off the warp thread from the warp beam in a loom In a textile loom, the invention comprises a device for varying the speed and the tension of unreeling the warp threads from the warp beam. The device essentially includes a set of interchangeable spur gears connected to the warp beam which cooperate with... | 10/25/1983 |
| 4410660 | Binding assay for the detection of mycobacteria A method for detecting the presence of Mycobacteria in a fluid or tissue which comprises mixing the fluid or tissue containing a secretory product of Mycobacteria with a complex of a tracer-containing molecule and a binding macromolecule having reversible... | 10/18/1983 |
| 4410651 | Impact resistant polyphenylene ether resin compositions Blends of polyphenylene ether resin and a small amount of certain ethylene copolymers or terpolymers containing hydroxyl and carbonyl functional groups, optionally including impact modifier, are described. These can be molded into articles which possess i... | 10/18/1983 |
| 4410432 | Process for removing hydrogen sulfide from fluids A process is disclosed for removing hydrogen sulfide from fluid, particularly geothermal steam. Carbonic acid is sprayed into a condenser to inhibit dissolution of hydrogen sulfide into the condensate and maintain the hydrogen sulfide in gaseous form.... | 10/18/1983 |
| 4406778 | Spent oil recovery process A process for reclaiming spent oil comprises the steps of removing water and light hydrocarbons, thermally treating the stripped oil, extracting it with a supercritical gas to insolubilize impurities and additives, separating the gas-rich fractions from t... | 09/27/1983 |
| 4405739 | Polyphenylene ether resins and compositions heat stabilized with phosphite compounds Polyphenylene ether resins and compositions of such resins in admixture with certain specific phosphite thermal oxidative stabilizers are described. These blends can be used with or without impact modifiers. As an additional benefit, the resins and compos... | 09/20/1983 |
| 4404358 | Resole compositions and laminates made therefrom The invention relates to oil-modified resole varnishes particularly useful for impregnating paper laminates. Specifically, the invention relates to such compositions in which linseed oil or mixtures thereof with tung oil or oiticica oil is used as the mod... | 09/13/1983 |
| 4404321 | Compositions comprising copolymers of a vinyl aromatic compound and an unsaturated cyclic anhydride and impact improvers Thermoplastic molding compositions are disclosed which comprise an intimate admixture of (a) a copolymer of a vinyl aromatic compound and an ,ଲ-unsaturated cyclic anhydride, including rubber-modified copolymers thereof, and (b) impact modifie... | 09/13/1983 |
| 4404125 | Polyphenylene ether resin compositions for EMI electromagnetic interference shielding Compositions or composites comprising a polyphenylene ether-styrene resin blend or composition are disclosed which have electromagnetic shielding properties so that when the compositions are used for electronic equipment components or housings they provid... | 09/13/1983 |
| 4402713 | Process for removing hydrogen sulfide from fluids A process is disclosed for removing hydrogen sulfide from fluid, particularly geothermal steam. Condensate rich in hydrogen sulfide is passed countercurrently with vapor rich in carbon dioxide to strip the condensate of hydrogen sulfide.... | 09/06/1983 |
| 4401826 | Method for production of mercapto functional silanes An improved method for the production of mercapto functional silanes is provided whereby reactions between haloalkyl silanes and thioureido compounds in the presence of ammonia are accelerated with tertiary nitrogen-containing compounds. In a preferred em... | 08/30/1983 |
| 4401792 | Process for increasing the rate of crystallization of polyesters A process is provided for increasing the rate of crystallization of polyester compounds, such as poly (alkylene arylates), more particularly poly(alkylene terephthalates), or blends or mixtures thereof, as for example, poly(ethylene terephthalate), poly(b... | 08/30/1983 |
| 4398013 | Accelerator for anhydride-cured epoxy resins An improved process for curing a polyepoxide composition with a polycarboxylic acid or polycarboxylic acid anhydride is described wherein the addition of a diphenyliodonium salt accelerator provides for shortened curing reaction times at lower reaction te... | 08/09/1983 |
| 4396724 | Ceramic composition Improved ceramic compositions useful for cutting tools and the like are described. They are composed of an essentially homogeneous admixture of sintered powders of an aluminum oxide base material with other refractories including zirconium oxide, titanium... | 08/02/1983 |
