O'Brien, Jr.; Gerald R. - US Patent Attorneys and Agents

Attorney: O'Brien, Jr.; Gerald R.

Number of patents: 32
Last date: July 24, 1984

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Number	Title	Issue Date
4461734	Process for plasticization and pumping of low bulk density plastics Process for the plasticization and pumping of low bulk density synthetic thermoplastic materials through extrusion die means employing a mixer type extruder, the extrudate from said extruder is passed through a rotary melt pump and the molten material is ...	07/24/1984
4451593	Process for finishing resin using reduced energy input The specific energy input required to finish resin particles is considerably reduced when the resin particles are passed through a continuous finisher wherein the volume utilization of the finisher is between about 40 volume percent and about 95 volume pe...	05/29/1984
4449395	Pheological measurement method and apparatus Method and apparatus for testing thermoplastic material comprising: passing as a stream a fractional, continuous, molten and flowable sample of the material to and successively through each of either a controllable pumping zone maintained at constant temp...	05/22/1984
4406867	Process for the purification of non-reacting gases Regenerative process for the purification of a non-reacting industrial gas stream by removal of trace amounts of carbon dioxide therefrom, comprising contacting said gas stream with non-aqueous liquid solution of at least one member selected from the grou...	09/27/1983
4329232	Method for measuring biomass viability A method is disclosed for measuring viability of a waste treatment basin biomass contained in a waste basin mixed liquor comprising measuring the rate of oxygen uptake in a first sample of said waste basin liquor; measuring the rate of oxygen uptake in a ...	05/11/1982
4321229	Method for extruding linear polyolefin materials having high viscosities A method is disclosed for the extrusion of low-density linear polyolefin materials having high viscosities, wherein such materials are continuously fed to and through a rotary extruder having feeding, transition and metering sections which comprises emplo...	03/23/1982
4321131	Process for heat carrier generation A process is disclosed for heat carrier generation for the advanced cracking reaction process comprising separately preheating an oxidant stream; joining a fuel stream and at least a portion of the process steam stream to form a stream having a steam-to-f...	03/23/1982
4313916	Process for the purification of non-reacting gases A process is disclosed for the purification of an inert or non-reacting gas such as lower mono-olefins by the removal of trace amounts of reacting impurities such as carbon dioxide therefrom, comprising passing said gas through an essentially non-aqueous ...	02/02/1982
4300912	Synthetic fuel containing methanol and butanol A long chain macro-molecule synthetic fuel derived by distillation-linking methanol, butanol and a kerosene type oil with a colloid stabilizer. The synthetic fuel, when mixed with conventional fuels, substantially reduces the generation of carbon monoxide...	11/17/1981
4278623	Ultra-fine fibers and method for making same Ultra-fine fibers, having an average diameter typically in the range of 0.1 to 5 micrometers, are provided which are capable of being dispersed in a liquid medium, such as a freeze dry liquid, to form a free-flowing, non-agglomerating slurry which may be ...	07/14/1981
4274841	Acetylene recovery process and apparatus Improved process and apparatus is disclosed for the recovery of acetylene from gas containing acetylene and ethylene comprising: contacting said gas with acetylene solvent to form a loaded solvent solution; heating said loaded solvent solution by passing ...	06/23/1981
4256317	High-temperature, high-pressure valve packing system Valve packing system comprising a compacted body of expanded graphite material having an apparent bulk density 1.6 to 2.0 times its apparent bulk density prior to compaction and positioned in stuffing box with zero clearance between each of valve stem and...	03/17/1981
4255368	Structural foam molding process A process is disclosed for molding a foamed thermoplastic article characterized by a foamed core, a non-foamed exterior shell and a surface that reproducibly and faithfully replicates a predetermined portion of the inner surface of the mold in which the a...	03/10/1981
4250346	Low temperature oxydehydrogenation of ethane to ethylene Ethane is catalytically oxydehydrogenated to ethylene in a gas phase reaction, in the presence or absence of water, at temperatures of ࣘ550° C. using a catalyst comprising oxides of the elements wherein X=Cr, Mn, Nb, Ta, Ti, V and/or W, Y=Bi, Ce, Co, Cu, Fe...	02/10/1981
4247515	Process for molding of plastic structural web articles Process is disclosed wherein plastic material is passed into a mold cavity; pressurizing fluid is injected into the plastic material under controlled pressure and at a controlled rate to cause the plastic material to flow out and assume the contour of the...	01/27/1981
4240898	Process for producing high quality pitch A process is disclosed for producing pitches of high quality in a high yield by subjecting selected crude oil to adiabatic thermal and steam cracking process at a temperature between 700° C. and 1000° C. to produce gases containing ethylene, propylene a...	12/23/1980
4234642	Molded plastic structural web articles A process is disclosed for the production of molded tubular structural web articles of thermoplastic material comprising the steps: passing molten plastic material into a tubular mold cavity to fill a substantial portion of said cavity; injecting a low vi...	11/18/1980
4185070	Process for injection molding thermoplastic articles with reduced combustibility A process is disclosed for the production of injection molded thermoplastic articles having reduced combustibility comprising: maintaining a mold cavity at a pre-selected back pressure sufficiently high to substantially prevent foaming of a thermoplastic ...	01/22/1980
4174353	Olefin separation process There is disclosed a process for the separation of ethylene or propylene from a purified, multi-component gas stream produced from the thermal cracking of hydrocarbons and containing ethylene or propylene and other low molecular weight components comprisi...	11/13/1979
4169679	Apparatus for the extrusion of cellular thermoplastic material The invention provides apparatus for the production of cellular thermoplastic material comprising an extruder having a hollow barrel, screw means mounted in said barrel to advance material therethrough, mixer head means mounted in said barrel and gaseous ...	10/02/1979
4145386	Method for the surface treatment of thermoplastic materials In the corona discharge surface treatment of a continuum of thermoplastic material passed through an air gap between stationary and roller electrodes across which a high voltage is impressed, the improvement which comprises employing as said stationary el...	03/20/1979
4142963	Penetration enhanced fluid mixing method for thermal hydrocarbon cracking Thermal cracking of hydrocarbons by the introduction of liquid feedstock into a stream of hot gaseous combustion products, the method comprising introducing and mixing said liquid as at least one stream in said hot gaseous combustion product stream while ...	03/06/1979
4138163	Bulk material containers A container for use in the bulk handling of flowable particulate materials is disclosed comprising a closed, generally rectangular parallelpiped on upper container body portion, having side walls, end walls and a roof, and a lower base portion; conduits p...	02/06/1979
4137023	Low energy recovery compounding and fabricating apparatus for plastic materials Plastics recovery, compounding and fabricating apparatus is disclosed utilizing a gear pump specially designed to include a media free space between the gear face and side walls with minimum sealing to improve volumetric pump efficiencies and provide pump...	01/30/1979
4136220	Process for the molding of plastic structural web and the resulting articles Process and resulting article are disclosed wherein plastic material is passed into a mold cavity; pressurizing fluid is injected into the plastic material under controlled pressure and at a controlled rate to cause the plastic material to flow out and as...	01/23/1979
4136015	Process for the thermal cracking of hydrocarbons In a process for the thermal cracking of hydrocarbons by the introduction of liquid petroleum feedstock in atomized form into a stream of hot combustion products formed by the combustion of fuel and oxidant in successive burner and mixing zone, constricti...	01/23/1979
4135560	Apparatus for filling bulk material containers Method and apparatus are disclosed for feeding and distributing, in a container of varying configuration, bulk materials comprising: inlet positioned near the top of said container; at least partially radially-compartmented rotor positioned below; and mat...	01/23/1979
4134824	Integrated process for the partial oxidation-thermal cracking of crude oil feedstocks An integrated partial oxidation-thermal cracking process is disclosed for the more complete utilization of all chemical values in crude oil feedstocks employed in the concurrent production of synthesis gas and an olefin-rich stream comprising the steps of...	01/16/1979
4128343	Apparatus for blending granular materials Apparatus is disclosed for blending free-flowing granular materials comprising: an outer chamber having walls which converge toward and terminate in outlet means at the base thereof; substantially vertically-positioned fenestrated blending tube means spac...	12/05/1978
4080406	Rubber-modified impact polystyrenes Polymeric styrene compositions having high optical transparency, impact strength and heat distortion temperature properties comprising the polymeric reaction product of: A. 100 parts by weight of a monomeric mixture of: (1) about 25-75% vinyl aromatic monomer ...	03/21/1978
4032391	Low energy recovery compounding and fabricating systems for plastic materials Plastics recovery and polyolefins compounding systems utilize a gear pump for the pumping function. The gear pump is specially designed to include a free media surrounding substantially the entire gear face with minimum sealing to improve volumetric pump ...	06/28/1977
4014789	Separation of liquid phases Process is disclosed for effecting phase separation of relatively high and low viscosity immiscible liquids comprising maintaining, between inner means in relative rotational movement with outer sleeve means, at least one zone of increased pressure constr...	03/29/1977

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Attorney: O'Brien, Jr.; Gerald R.