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| Number | Title | Issue Date |
| 5220999 | Nestable hinged container for the display and storage of consumer articles A nestable hinged container for packaging consumer articles. The container includes a receptacle having a base formed with relation to the consumer article, the base terminating in an uppermost edge having an outer periphery, the receptacle further having... | 06/22/1993 |
| 5178747 | Non-carcinogenic bright stock extracts and deasphalted oils Non-carcinogenic bright stock extracts and/or deasphalted oils are produced from reduced hydrocarbon feedstocks. Such non-carcinogenic products are produced by establishing a functional relationship between mutagenicity index and a physical property corre... | 01/12/1993 |
| 5178942 | Multi-layer opaque film structures tailored to end-use requirements An opaque, biaxially oriented polymeric film structure, produced by orienting the film to a degree which provides low light transmission and improved machinability. The film structure includes a thermoplastic polymer matrix core layer having a first surfa... | 01/12/1993 |
| 5169101 | Rack for collecting recyclable materials A rack for supporting flexible bags in an open condition. The rack includes first and second wire side members each having at least two upwardly standing spaced elongated wire members having an upper end and a lower end, a rim member integrally connected ... | 12/08/1992 |
| 5156214 | Method for imparting selectivity to polymeric gel systems A method for imparting selectivity to an in-situ gel-forming composition for placement within a subterranean oil-bearing formation having relatively high permeability zones and relatively low permeability zones, comprising the steps of: preparing an aqueo... | 10/20/1992 |
| 5144958 | Apparatus for conducting mammalian dermatological studies A protective cell for use in conducting dermal studies on mammals. The protective cell comprises a shell-like section terminating in a leading edge and a rim section integral to the leading edge of the shell-like section and contoured to form a surface fo... | 09/08/1992 |
| 5143603 | Apparatus and system for removing low density liquids from oil production water tanks An apparatus for removing low density liquids from oil production water tanks. The apparatus includes a vertically disposed elongated hollow base member having an upper end and a lower end, the base member having at least two radially spaced mounting boss... | 09/01/1992 |
| 5134176 | Crosslinked polyvinyl amine copolymer gels for use under harsh reservoir conditions A gel-forming composition capable of plugging highly permeable zones in a subterranean formation. The composition comprises water, a viscosifying amount of a water-dispersible polyvinyl amine copolymer and a crosslinking agent which is a mixture of an ald... | 07/28/1992 |
| 5131264 | Above-ground storage tank liquid leak detector An apparatus for detecting a change in the amount of liquid in a storage tank. The apparatus comprises a vertical upright standpipe for filling with a liquid to a level that generates a hydrostatic head pressure substantially equivalent to that exerted by... | 07/21/1992 |
| 5127145 | Process for removing packing A tool for the removal of soft packing material from fluidic equipment. The packing removal tool of the present invention comprises a shaft having first and second ends, the first end terminating in a substantially pointed tip, at least one barbed lever, ... | 07/07/1992 |
| 5123562 | Side discharge trash container A trash container for the storage and ready removal of filled disposable garbage bags and receptacles or the like from a side of the container. The trash container is of an essentially frusto-conical configuration narrowing towards an upper end and incorp... | 06/23/1992 |
| 5122029 | Apparatus and method for automatically counting and stacking trimmed molded articles An apparatus for automatically stacking molded articles successively trimmed by a trim press from a web of thermoplastic material, the trim press having a stationary die member which includes a die plate and a die shoe, the apparatus comprising: (a) a fra... | 06/16/1992 |
| 5114435 | Polyalkylene succinimide deposit control additives and fuel compositions containing same Deposits on intake valves in gasoline internal combustion engines are reduced by an additive for fuel compositions comprising a mixture of (1) a polyalkylene succinimide, (2) a polyalkylene and (3) a mineral oil. The invention also comprises a fuel compos... | 05/19/1992 |
| 5114651 | Method of forming an orifice in a structure during molding thereof A pair of male and female mold parts in association with a closure for forming orifices during the thermal formation of a structure. The combination includes: a pair of mold members having a first mold member and a second mold member; at least one male ke... | 05/19/1992 |
| 5106514 | Material extraction nozzle A material extraction nozzle for separating a mixture of materials having different densities, comprising: a nozzle body shell having an outer surface with a tangentially located material inlet at an upper portion thereof and an inner surface defining in ... | 04/21/1992 |
| 5100952 | Organically crosslinked polyvinyl alcohol copolymeric gels for use under harsh reservoir conditions A gel-forming composition capable of plugging highly permeable zones in a subterranean formation. The composition comprises water, a water-dispersible polyvinyl alcohol copolymer and a crosslinking agent which is a mixture of an aldehyde and a phenolic co... | 03/31/1992 |
| 5094355 | Hinged-lid food container with sealable compartments employing front and side latching means A hinged-lid food container having sealable compartments for the discrete storage and dispensing of a plurality of various comestibles, in which a cover member is adapted to sealingly isolate each compartment in the closed condition of the container. The ... | 03/10/1992 |
| 5093194 | Oriented multilayer heat sealable packaging film An oriented heat sealable multilayer structure. The structure comprises a substrate having a first surface and a second surface, the substrate comprising a polyolefin film; a polymeric heat sealable layer on the first surface of the substrate, the layer c... | 03/03/1992 |
| 5091236 | Multi-layer high opacity film structures A multilayer opaque, biaxially oriented polymeric film structure. The film structure includes (a) a thermoplastic polymer matrix core layer having a first surface and a second surface, within which is located a strata of voids; positioned at least substan... | 02/25/1992 |
| 5088317 | Method and apparatus for detecting liquid leaks from above-ground storage tanks A liquid leak detector for use with above-ground storage tanks. The liquid leak detector includes a vertically upright standpipe for filling with a liquid to a level that generates a hydrostatic head pressure substantially equivalent to that exerted by th... | 02/18/1992 |
| 5086956 | Easy-opening leak-resistant liquid storage and dispensing container A food storage container for dry or liquid foods and other open air perishable products provides a leak-resistant seal when the lid is in a closed position and easy pouring of contents when in the open position. The container is easy to open, employing ro... | 02/11/1992 |
| 5086643 | System and method for determining multi-phase relative permeability of a subterranean reservoir A system and method for determining multi-phase relative permeability characteristics of a porous media sample obtained from a subterranean reservoir. The porous media is placed in a confining flow cell assembly and the pressure drop across the porous med... | 02/11/1992 |
| 5086089 | Programmed gelation of polymers using melamine resins A process for use with a polymer which is crosslinkable by reaction with an amino resin, which comprises the steps of determining a period of time within which full gelation of the polymer is to be achieved; preparing a gel-forming aqueous-based mixture c... | 02/04/1992 |
| 5078930 | Bubble pressure control for water bath cooling A method for continuously controlling the pressure in a bubble formed of a continuously extruded seamless blown thermoplastic film tubing which is being conducted generally upwardly through a cooling water bath. More particularly, the method contemplates ... | 01/07/1992 |
| 5079278 | Enhanced oil recovery profile control with crosslinked anionic acrylamide copolymer gels An aqueous polymeric gel-forming composition capable of selectively plugging highly permeable zones in subterranean oil-bearing formations. The composition comprises an aqueous solution of an anionic acrylamide copolymer of high molecular weight, comprisi... | 01/07/1992 |
| 5073598 | Method for improving the processing characteristics of polyethylene blends A method for improving the processing characteristics of a polyethylene blend comprised of at least two polyethylene components having at least one dissimilar rheological property. The method comprises the steps of (a) establishing a functional relationsh... | 12/17/1991 |
| 5068045 | Grease composition containing alkoxylated amide borates The invention is a grease composition comprising a major proportion of a grease, a hydroxy-containing soap thickener and a minor amount of a compound prepared by reacting a boron compound with an alkoxylated amide containing a hydrocarbyl group of 1 to 60... | 11/26/1991 |
| 5062976 | Process for preparing an extreme pressure lubricating oil additive A process for preparing an oxidized sulfurized isobutylene product having utility as an EP additive. The process comprises the steps of: reacting sulfur monochloride with a stoichiometric excess of isobutylene; reacting the product so produced with an alk... | 11/05/1991 |
| 5057204 | Catalytic visbreaking process The severity of visbreaking of an oil is increased without increasing the instability of the product by incorporating into the feedstock a catalyst preferably supported on a porous substrate. The catalyst is the elemental form or compound of an element se... | 10/15/1991 |
| 5050791 | Crowned meat tray A crowned packaging tray and, more particularly a high-strength, molded packaging tray for use in packaging meats, fish, poultry and other comestibles, and non-food commodities, which is adapted to be utilized in conjunction with a transparent overwrap fi... | 09/24/1991 |
| 5042580 | Oil recovery process for use in fractured reservoirs A process for recovering oil from fractured formations is provided which involves altering the wettability of the formation, particularly at the interface of the fracture and rock matrix. The process of the present invention improves the ability of inject... | 08/27/1991 |
| 4981520 | Oil reservoir permeability profile control with crosslinked welan gum biopolymers A composition capable of selectively plugging highly permeable zones in a subterranean formation. The composition forms a gel subsequent to its injection into the formation via an injection well. The composition comprises an aqueous solution of a welan gu... | 01/01/1991 |
| 4944081 | Packing removal tool A tool for the removal of soft packing material from fluidic equipment. The packing removal tool of the present invention comprises a shaft having first and second ends, the first end terminating in a substantially pointed tip, at least one barbed lever, ... | 07/31/1990 |
| 4940090 | Organically crosslinked polyvinyl alcohol copolymeric gels for use under harsh reservoir conditions A gel-forming composition capable of plugging highly permeable zones in a subterranean formation. The composition comprises water, a water-dispersible polyvinyl alcohol copolymer and a crosslinking agent which is a mixture of an aldehyde and a phenolic co... | 07/10/1990 |
| 4933525 | Microwaveable container having temperature indicating means A reusable microwaveable container having a temperature indicator mounted permanently to the side walls of the container. The temperature indicator is a liquid crystal film display device having a plurality of display devices which indicate various temper... | 06/12/1990 |
| 4928766 | Stabilizing agent for profile control gels and polymeric gels of improved stability An aqueous polymeric gel-forming composition of improved stability for selectively plugging highly permeable zones in subterranean oil-bearing formations. The composition comprises an aqueous solution of a water-dispersable polymer present in a viscosifyi... | 05/29/1990 |
| 4926943 | Phenolic and naphtholic ester crosslinked polymeric gels for permeability profile control An aqueous polymeric gel-forming composition which slowly crosslinks to form stable gels for plugging highly permeable zones in subterranean oil-bearing formations. The composition comprises an aqueous solution of a water-dispersible polymer present in a ... | 05/22/1990 |
| 4923617 | Process for inhibiting scale formation A process for inhibiting the formation of scale in process equipment and conduits that form because of the presence of scale forming salts present in process fluids flowing therein is provided. In this process a scale inhibiting effective amount of an inh... | 05/08/1990 |
| 4915170 | Enhanced oil recovery method using crosslinked polymeric gels for profile control A method for controlling the permeability profile of a subterranean oil-bearing formation utilizing polymeric gel-forming compositions which gel in-situ. The method comprises the steps of determining an amount of polymeric gel required for profile control... | 04/10/1990 |
| 4907442 | Method and system for determining fluid saturations within natural or simulated fractures A method and system for determining fluid saturation within a fracture. The method comprises the steps of establishing a functional relationship between fluid saturation and capacitance for a multiple component fluid; introducing the fluid between the fra... | 03/13/1990 |
