| Patent Number |
Title Of Patent |
Date Issued |
| T969011 |
Hot melt adhesive emulsion process |
April 4, 1978 |
| a novel process for applying an adhesive to a substrate is disclosed, which process comprises:A. melt blending a monoalkenyl arene/conjugated diene block copolymer, tackifying resin and extending oil to form a hot melt adhesive composition,B. emulsifying the hot melt with water and an em |
| RE40752 |
Diene removal from an olefin feedstock |
June 16, 2009 |
| The invention pertains to a process of removing dienes from an olefin feedstock. A preferred olefin feedstock is for the production of primary alcohol compositions by skeletal isomerization of the olefins followed by hydroformylation. In this preferred embodiment, the olefin feedstock ma |
| RE36757 |
Multiblock hydrogenated polymers for adhesives |
June 27, 2000 |
| The present invention encompasses nontapered block copolymers of the following structure and adhesives containing themorwhere A is a vinyl aromatic hydrocarbon polymer block, B and D are hydrogenated conjugated diene polymer blocks wherein if the diene is butadiene, it must have a vinyl |
| RE35696 |
Heat injection process |
December 23, 1997 |
| A method for heat injection into a subterranean formation is provided. The method utilizes flameless combustion. The absence of a flame eliminates the flame as a radiant heat source and results in a more even temperature distribution throughout the length of the burner. Flameless combust |
| RE35308 |
Block copolymer of polyalkylene and halogenated polystyrene |
July 30, 1996 |
| A block copolymer of polyalkylene and halogenated polystyrene comprises the formula:in which m is 0, 1, 3 or 4, A is a saturated polyalkylene, and S' is a nuclear brominated polystyrene having from about 0.5 to about 5 bromines per styrene unit. The polystyrene blocks are substantially f |
| RE33349 |
Controlling sulfide scavenger content of drilling fluid |
September 25, 1990 |
| The concentration of unspent zinc-based hydrogen sulfide scavenger in an aqueous drilling fluid is controlled by selectively extracting the unspent scavenger in a solvent, such as glacial acetic acid, measuring the concentration of dissolved zinc, for example, with an X-ray fluorescence |
| RE32623 |
Curved offshore well conductors |
March 15, 1988 |
| Apparatus and method for producing hydrocarbons from a subterranean hydrocarbon-bearing formation located beneath the floor of a body of water. A platform structure is installed on the floor over the formation and well conductors are extended down the structure and penetrate into the |
| RE31623 |
Pesticidal cinnolines |
July 3, 1984 |
| Use of certain cinnolines as pesticides and pesticidal compositions containing them. |
| RE31607 |
Circumferential acoustical detector |
June 19, 1984 |
| An acoustical logging tool having a plurality of long, extendable, resilient arms, and means for remotely extending free ends of the arms into close proximity to the wall of a borehole. A cylindrical transducer is mounted on the free end of each arm, with some of the transducers being |
| RE30935 |
Method of starting gas production by injecting nitrogen-generating liquid |
May 18, 1982 |
| Production is initiated from a gas well which is kept from producing by the hydrostatic pressure of the liquid it contains, by injecting an aqueous liquid that contains reactants which form nitrogen gas within the wall or reservoir and displaces enough liquid out of the well to lower the |
| RE30818 |
Epichlorohydrin purification process |
December 8, 1981 |
| 2,3-Butanedione impurity is removed from epichlorohydrin by contacting the impurity containing epichlorohydrin with .[.a macroreticular poly(t-butyl acrylate) resin .]. .Iadd.an acrylic ester resin .Iaddend.having a pore volume of about .[.0.5 .]. .Iadd.0.55 .Iaddend.ml/ml, an average po |
| RE30634 |
Benzyl oxime ethers |
June 2, 1981 |
| Insecticidal benzyl oxime ethers of the formula: ##STR1## wherein the symbols have meanings defined in the specification. |
| RE30574 |
Herbicidal tetrahydrofuran derivatives |
April 14, 1981 |
| Certain benzyloxymethyltetrahydrofuran derivatives are useful as herbicides. |
| RE28925 |
Neutron method for determining residual oil-phase fluid concentration |
August 10, 1976 |
| A method for determining the concentration of oil-phase fluid in an earth formation containing indigenous oil-phase fluid and aqueous liquid. A zone in the formation is irradiated with neutrons when the zone is filled with indigenous oil-phase and aqueous liquid. The thermal neutron capt |
| RE28860 |
Curved offshore well conductors |
June 15, 1976 |
| Apparatus and method for producing hydrocarbons from a subterranean hydrocarbon-bearing formation located beneath the floor of a body of water. A platform structure is installed on the floor over the formation and well conductors are extended down the structure and penetrate into the |
| H988 |
Polymer blends |
November 5, 1991 |
| Polymer blends comprising a major proportion of a polyamide polymer and lesser proportions of a linear alternating polymer of carbon monoxide and at least one ethylenically unsaturated hydrocarbon and of an acidic polymer containing moieties of .alpha.,.beta.-ethylenically unsaturated |
| H917 |
Polymer blend |
May 7, 1991 |
| Blends of (a) a linear alternating polymer of carbon monoxide and at least one ethylenically unsaturated hydrocarbon and (b) a maleated polyolefin polymer exhibit improved properties of thermal stability, impact resistance as better processability. |
| H896 |
Separating column for gas chromatography |
March 5, 1991 |
| A method of fabricating an elution chromatography separating column from an elongated capillary tube, such column having a layer comprising a plurality of disunited particles of porous solid material disposed on an inner surface of the tube. The method comprises the steps of: preparing a |
| H889 |
Stabilized compositions |
February 5, 1991 |
| Improved processabiity and thermal stability is demonstrated by stabilized compositions comprising a linear alternating polymer of carbon monoxide and at least one ethylenically unsaturated hydrocarbon having incorporated therein a stabilizing quantity of a stable organic free radical. |
| H886 |
Reinforced polymer |
February 5, 1991 |
| Polymer compositions comprising linear alternating polymers of carbon monoxide and at least one ethylenically unsaturated hydrocarbon and an amount of glass fiber reinforcement. |
| H870 |
Solvent welding polybutene-1 |
January 1, 1991 |
| A process for solvent welding pure polybutene-1, or blends or copolymer of polytbutene-1 to polybutene-1 where the polybutene-1 items are contacted with a solvent such as methylene chloride, tetrahydrofuran or cyclohexane and then contacted together within a variable period of time after |
| H860 |
Method for polymerizing alpha olefins |
December 4, 1990 |
| An alpha olefin polymerization reaction using a first alpha olefin monomer and a magnesium supported titanium halide/aluminum alkyl catalyst system wherein said system comprises:(a)(i) a procatalyst component;(ii) a cocatalyst component; and(iii) a selectivity control agent;(b) discontinuing |
| H831 |
Tubular biofilm reactor |
October 2, 1990 |
| A tubular connected series of biofilm samplers is provided for monitoring biofouling by microorganisms in a continuous flow stream. Tubular bypasses are provided around each sampler, so that each sampler is removable for inspection of biofouling without interruption of the continuous flo |
| H812 |
Reinforced polymer |
August 7, 1990 |
| Polymer compositions comprising linear alternating polymers of carbon monoxide and at least one ethylenically unsaturated hydrocarbon and an amount of ceramic fiber reinforcement. |
| H732 |
Polymer blend |
February 6, 1990 |
| Non-miscible blends comprising, as a major component, a linear alternating polymer of carbon monoxide and at least one ethylenically unsaturated hydrocarbon and, as a minor component, an oligomer derived from an epihalohydrin and a hydroxyphenylalkane, demonstrate improved processabi |
| H656 |
Method and system for controlling the moments of firing of marine seismic sources |
July 4, 1989 |
| A method for controlling the firing times of a plurality of marine seismic sources which are towed as a seismic array behind a towing vessel is provided. The marine seismic sources are adapted to create seismic pulses after having been fired. The method measures and determines physical |
| H611 |
Semi-submersible vessel |
April 4, 1989 |
| A semi-submersible vessel is disclosed in which a side wall which is continuous in the horizontal direction connects an underwater buoyant pontoon hull to an operating deck located above the water surface. In operation the side wall is subject to moderate cyclic fatigue stresses only |
| H608 |
Detecting multiple phase flow in a conduit |
March 7, 1989 |
| Multiple phase flow is detected and characterized in a fluid-containing conduit using a compressional wave acoustic transducer in the pulse-echo mode. The acoustic energy is transmitted in a transverse direction through the conduit and the returning echo is analyzed to determine if singl |
| H573 |
Sealing of pits |
February 7, 1989 |
| The primary purpose of the present invention is to preseal a pit by adding a specially designed sealing material to the pit bottom prior to putting other materials, e.g., waste material, into the pit, e.g., a disposal pit.In accordance with the present invention a method for sealing the bott |
| H568 |
Olefin polymer composition and laminated structure including said composition as adhesive layer |
January 3, 1989 |
| An olefin polymer composition comprising(A) 100 parts by weight of a homopolymer of 1-butene composed substantially of 1-butene units or a copolymer of 1-butene and another alpha-olefin containing at least 60 mole % of units derived from 1-butene,(B) 10 to 600 parts by weight of a homopolyme |
| H549 |
Apparatus and method for locating towed seismic apparatus |
December 6, 1988 |
| Apparatus and method are provided for locating seismic sources suspended below a float, seismic streamer cables and other towed seismic apparatus relative to a towing vessel. The range and bearing from a selectively energizable acoustic source on or near the float, cable or apparatus to |
| H490 |
Determination of the density of a hydrocarbon liquid at elevated pressure |
July 5, 1988 |
| A method and apparatus are provided whereby a pressure vessel of known internal volume is filled with a hydrocarbon liquid at elevated pressure and a measured temperature. When filled, a valve to a connected buffer vessel is opened to prevent any risk of overpressure caused by a rise in |
| H479 |
Wood pulp bleaching process |
June 7, 1988 |
| An improvement upon processes for the bleaching of wood pulp which comprise preparing an aqueous alkaline bleaching medium containing hydrogen peroxide and contacting the pulp with said medium under agitation. The improvement particularly comprises agitating a suspension of the pulp in |
| H478 |
Selective reduction of sodium in coal by water wash and ion exchange with tailored electrolyte |
June 7, 1988 |
| A coal or similar carbonaceous fuel is selectively freed of sodium by water washing it and ion exchanging the washed coal with a strong aqueous electrolyte solution which is substantially free of sodium ions and contains a kind and concentration of ions which are correlated with the |
| H475 |
Preparing an aqueous alkaline solution for recovery of oil from a reservoir containing hard wate |
June 7, 1988 |
| An aqueous alkaline oil recovery fluid containing monovalent salt, and, optionally, preformed cosurfactant, is improved by using a mixture of alkaline silicate and carbonate salts in specified proportions as the alkaline material. |
| H473 |
Capillary tube scanner |
June 7, 1988 |
| A method and apparatus for counting small particles in a capillary tube is provided. The method and apparatus detect changes in the intensity of the direct beam passing perpendicularly through the capillary tube to count such small particles. |
| H462 |
Marine cable geophone assembly |
April 5, 1988 |
| A geophone assembly for use in a marine seismic cable to detect converted shear waves reflected from the strata in response to a compressional wave generated in the body of water associated with the strata. The geophone assembly comprises a cylindrical mount that has a central aperture a |
| H388 |
Apparatus and method for locating towed seismic floats |
December 1, 1987 |
| Method and apparatus are provided for locating a towed float relative to the towing vessel. The method determines the range from at least two known spaced apart locations on the towing vessel to the float and determines the position of the float from the intersection of the at least two |
| H387 |
Wavelength filter for marine seismic cables |
December 1, 1987 |
| A marine seismic cable comprising a core; a housing coupled to the core and having a cavity adapted for holding a hydrophone, the cavity being located on a first side of the housing; elastic material positioned in the cavity and extending beyond the boundary of the cavity, a hydrophone p |
| H385 |
Shale coagulating low solids drilling fluid |
December 1, 1987 |
| A drilling fluid capable of coagulating shale particles, when used for well drilling, completion or the like, comprising a low solids fluid containing polymeric viscosifiers and polymeric fluid loss reducers as well as a high molecular weight organic polycationic polymeric coagulant and |
| H2169 |
Method of manufacturing partially crystalline polyester articles |
September 5, 2006 |
| A method of making a polyethylene terephthalate/polyolefin blend for sheeting and thermoformed articles which has improved color stability and can be recycled many times. A heat stabilizer is melt blended only with the polyolefin prior to its incorporation into the polyethylene terep |
| H2134 |
Apparatus and method for forming polymer crumb |
December 6, 2005 |
| The present invention provides a contractor apparatus and method for removing solvent from a polymer cement. The resulting polymer is substantially free of solvent and exhibits improved oil absorption and lower fines. In one aspect, a contractor is provided including a cylindrical ca |
| H2030 |
Process for the preparation of random copolymers of conjugated dienes and vinyl aromatic compoun |
June 4, 2002 |
| Random copolymers of a conjugated diene and at least 50% by weight of a vinyl aromatic compound are prepared by slowly reacting the monomers in a non-polar solvent in the presence of a chelating modifier such as ethylene glycol diethyl ether which results in at least 50% 1,2-polymerizati |
| H2018 |
Multi-layered polymer preform and container via selective heat up additives |
April 2, 2002 |
| A multilayered polymeric preform or container is disclosed wherein the blow temperatures of each polymer in a preform is controlled by the addition of a predetermined selected amount of a fast heat up additive such that each polymer layer blows at the same relative period of time to prep |
| H1956 |
Enhanced hydrogenation catalyst removal from block copolymers by reduction in polymer cement vis |
April 3, 2001 |
| In a process for producing hydrogenated block copolymers of conjugated dienes and/or vinyl aromatic hydrocarbons which comprises anionically polymerizing the monomers in an inert hydrocarbon solvent in the presence of an alkali metal initiator whereby a polymer cement is produced, co |
| H1949 |
Hydrogenated elastomer primed polyolefin film |
March 6, 2001 |
| A pressure-sensitive tape is provided having a polyolefin backing, a primer comprising an elastomeric block copolymer which primer is applied from a non-aromatic hydrocarbon solvent, said tape further comprising an adhesive on the thus primed surface. Because the primer is laid down from |
| H1902 |
Asymmetric radial polymers with acrylic monomer arms |
October 3, 2000 |
| The invention described herein is an asymmetric radial block copolymer having at least one set of arms formed of at least one polymer block of at least one vinyl aromatic hydrocarbon and/or at least one polymer block formed of at least one conjugated diene and at least one set of arms |
| H1862 |
High service temperature adhesives and sealants made with highly functionalized block copolymers |
September 5, 2000 |
| The present invention provides high service temperature sealant and adhesive compositions which contain a functionalized selectively hydrogenated block copolymer of a vinyl aromatic hydrocarbon and a conjugated diene to which has been grafted at least 4% by weight of an acid compound |
| H1808 |
Extrudable styrenic block copolymer compositions containing a metallocene polyolefin |
October 5, 1999 |
| An extrudable elastomeric composition for making elastic films having a recoverable energy greater than 60%, the composition includes an elastomeric block copolymer, a metallocene polyolefin, and a tackifying resin. The composition optionally may contain a crystalline polyolefin and |
| H1799 |
Star polymer viscosity index improver for oil compositions |
August 3, 1999 |
| The present invention includes star polymers which can be used as viscosity index improvers in oil compositions formulated for high performance engines. The star polymers have copolymer arms of hydrogenated polyisoprene and polystyrene with sufficient amounts of polystyrene to be fin |
