| Patent Number |
Title Of Patent |
Date Issued |
| RE29161 |
Devices for the generation of ultrasonics and their application to the preparation of emulsions |
March 29, 1977 |
| A device for generating .[.ultrasonic.]. waves in a fluid preferably used in emulsifying water and fuel oil and the like constructed of two side plates (each having at least one recess, occurring in adjacent pairs) and a thin steel membrane disk having a liquid access groove (discontinui |
| 4677093 |
Catalyst for the hydrotreatment of hydrocarbon feedstocks |
June 30, 1987 |
| The invention relates to a hydrodemetallization process and catalyst, of a sulfur and organometallic containing hydrocarbon feedstock which consists in contacting the feedstock under the usual hydrotreating conditions with a catalyst comprising a refractory mineral carrier composed essen |
| 4621169 |
Electric cable construction and uses therefor |
November 4, 1986 |
| The invention encompasses an electric cable which is made up of a metallic shield, a semiconducting polymer sheath surrounding a cable conductor and a moistureproofing layer in the form of a semiconducting hydrophobic gel. This construction assures an effective moisture barrier between t |
| 4610695 |
Fluid fuel mixture based on a pulverized solid fuel, petroleum residues and water, process for i |
September 9, 1986 |
| A fluid fuel mixture is formed of a suspension of a pulverized solid fuel and of at least one aqueous phase representing from 15 to 40 percent of the mixture before an optional incorporation of an additive. The mixture can comprise, as a supplement to particle-size fractions of the pulve |
| 4588621 |
Container body of the composite type and container comprising said body |
May 13, 1986 |
| The invention relates to a composite container body wherein the inner surface, and optionally the outer surface and/or the edges, of said body are covered with a multi-layer complex comprising a metallic film to which is adhered a layer of an adhesive such as at least one copolymer obtai |
| 4568360 |
Mixed organometallic compositions comprising elements from the lanthanide group and manganese or |
February 4, 1986 |
| A mixed organometallic composition suitable for use as fuel additives contains an organic acid salt of at least one metal from the lanthanide group and of at least one metal selected from the group formed by manganese and the metals of the iron group wherein the ratio of total number |
| 4564328 |
Apparatuses for the loading of an enclosure with a particulate solid |
January 14, 1986 |
| Apparatus for loading an enclosure with particulate solids includes a loading hopper, a discharge chute (integral with the hopper), and a movable member disposed below the outlet opening of the chute. The movable member includes a shaft driven in rotation by a motor and flexible, mod |
| 4541413 |
Pump and control unit for a solar heating installation for a water tank, and particularly for a |
September 17, 1985 |
| The invention relates to a pump and control unit for a solar heating installation system for a water tank, particularly for a swimming pool. The system contains a solar collector, a hydraulic circuit which includes an outward-flow pipe, a return-flow pipe, a pump, a derivative-action |
| 4531510 |
Bidirectional thermal syphon valve, installation for the production and storage of heat or cold |
July 30, 1985 |
| The invention relates to a bidirectional thermal siphon-valve operating by natural convection. It further relates to an installation for the production and storage of heat or cold comprising such a thermal siphon-valve, preferably with a continuously operating pump.The thermal siphon-val |
| 4520225 |
Process for the pretreatment of light olefin fractions |
May 28, 1985 |
| The invention relates to a process for the pretreatment of a light olefin fraction, or of a mixture of such fractions, for the purpose of selectively removing the isobutene and butadiene present.In accordance with the invention, the olefin fraction is contacted with boron trifluoride in |
| 4504287 |
Method of purifying a gas mixture containing undesirable gas compounds |
March 12, 1985 |
| The invention relates to a method for purifying a gas mixture containing at least one undesirable gas compound utilizing certain sulfonamide or sulfamide solvents. |
| 4503024 |
Process for the preparation of synthetic zeolites, and zeolites obtained by said process |
March 5, 1985 |
| The invention relates to the preparation of synthetic zeolites selected from the group formed by chabazite, merlinoite, edingtonite, ZSM 5 and ZSM 11.In accordance with the invention, a zeolite selected from the group formed by mordenite, ferrierite, clinoptilolite and the type X and typ |
| 4496528 |
Process for the preparation of zeolite ZK 5 |
January 29, 1985 |
| The invention relates to the preparation of the zeolite ZK-5 from a starting zeolite selected from the group consisting of the zeolites P (Cl), P' (Cl), Q (Br) and Q' (Br).In accordance with the invention, the barium ions contained in the starting zeolite are extracted therefrom by means |
| 4479023 |
Process for the oligomerization of light olefin fractions in the presence of a boron trifluoride |
October 23, 1984 |
| A process for the oligomerization of olefin fractions where boron trifluoride in the gas phase is contacted with such a fraction, in the absence of a catalyst carrier, under such conditions and for such a length of time that the isobutene and/or butadiene present will polymerize; the |
| 4472129 |
Head for extrusion of a tubular parison formed of at least one layer of material |
September 18, 1984 |
| Improved extrusion head for use in forming plastic containers or tubular films (optionally with multi-ply walls) by the extrusion-blowing process. The typical extrusion head used in this process has flat compensating rings bounding a portion of the frustoconical flow passages which u |
| 4469819 |
Process for the production of objects made of a rigid expanded material based on polyvinyl chlor |
September 4, 1984 |
| A continuous process for making rigid PVC foam objects by extruding a preform from an initial PVC mixture, optionally cutting the preform into blanks, and expanding the preform or the blanks in water heated to a temperature above 70.degree. C. The initial mixture contains polyvinyl c |
| 4466906 |
Catalyst for the oxidation of mercaptans to disulfides, process for the preparation thereof, and |
August 21, 1984 |
| A catalyst suited for use in the sweetening of petroleum distillates (by oxidizing mercaptans to disulfides) which is formed of a metal complex of a polyaminoalkylpolycarboxylic acid deposited directly on a basic anion exchange resin. The method of making the source by exchanging a metal |
| 4459205 |
Catalyst for the oxidation of mercaptans to disulfides, process for the preparation thereof, and |
July 10, 1984 |
| A catalyst suited for use in the sweetening of petroleum distillates (by oxidizing mercaptans to disulfides) which is formed of a metal complex of a polyaminoalkylpolycarboxylic acid deposited directly on a basic anion exchange resin. The method of making the source by exchanging a metal |
| 4451526 |
Multilayer composite material, especially for closures for plastic containers |
May 29, 1984 |
| A multilayer composite material, suitable for capping plastic milk bottles and other containers, comprising;(a) a metal foil,(b) a polyolefin film, and(c) an adhesive layer bonding the metal foil and the polyolefin film together and formed of two compounds A and B; wherein said metal foil ha |
| 4411790 |
Process for the treatment of a hydrocarbon charge by high temperature ultrafiltration |
October 25, 1983 |
| The present invention relates to a process for the treatment of a hydrocarbon charge by high temperature ultrafiltration, said process comprising the steps of circulating said charge in a module comprising at least one mineral ultrafiltration barrier coated with a sensitive mineral l |
| 4398644 |
Two-layer closure, particularly for closing plastic containers |
August 16, 1983 |
| The invention relates to a two-layer composite material comprising a metal foil and an adhesive layer.The adhesive layer is formed of a mixture of two compounds A and B, compound A being a copolymer of an aliphatic monoolefin and a monoethylenically unsaturated carboxylic acid which has |
| 4382127 |
Process for the preparation of suspensions of polymers; suspensions of said polymers; and uses o |
May 3, 1983 |
| The invention relates to a process for the preparation of suspensions of at least one polymer, said process comprising as a first step the preparation of a first suspension of at least one polymer in an organic liquid by chilling a solution of said polymer.In accordance with the inventio |
| 4376035 |
Process for the separation of saturated hydrocarbons from a hydrocarbon charge containing them |
March 8, 1983 |
| The invention relates to a process for the separation of a hydrocarbon charge into a fraction which precipitates at the operating temperature and a fraction which remains liquid at that temperature.This process is of the incremental-dilution type and entails the use of a solvent whose co |
| 4363721 |
Method of using catalysts for reforming or isomerizing hydrocarbons in the presence of hydrogen |
December 14, 1982 |
| These catalysts comprise:A refractory oxide-mineral carrier;a halogen element, present in combined form; and,in free or combined form,(a) a platinum-group metal, and(b) tin.They are characterized in that they contain, moreover, a metal from groups Ia and IIa of the periodic table of the elements |
| 4354962 |
Method for preparing a hydrocarbon conversion catalyst |
October 19, 1982 |
| An improved method of depositing zirconium on a refractory oxide-mineral carrier.Said method comprises contacting the refractory-oxide mineral carrier with a solution of a least one complex zirconium ion, the latter being formed by means of at least one organic acid and/or a salt of an o |
| 4329258 |
Catalysts for the hydrotreatment of hydrocarbons and use thereof in the reforming and isomerizat |
May 11, 1982 |
| These catalysts comprise: A refractory oxide-mineral carrier; a halogen element, present in combined form; and, in free or combined form,(a) a platinum-group metal, m1(b) tin,and additionally a metal, M1, from groups Ia and IIa of the periodic table of the elements in such an amount that: 0. |
| 4326975 |
Process for storing heat with a eutectic composition containing at least one saturated aliphatic |
April 27, 1982 |
| Heat, particularly solar heat, is stored by a eutectic composition containing at least one saturated aliphatic hydrocarbon and at least one fatty acid having at least 10 carbon atoms. |
| 4316796 |
Process for the separation of dienic and/or aromatic hydrocarbons present in hydrocarbon fractio |
February 23, 1982 |
| Dienic and/or aromatic hydrocarbons are separated from hydrocarbon fractions employing known liquid-liquid extraction and/or extractive distillation procedures and at least one sulfonamide solvent conforming to the general formula ##STR1## wherein R', R" and 4'" can be linear or |
| 4306829 |
Apparatus and method for distribution of a divided solid in an enclosure |
December 22, 1981 |
| Apparatus for distribution of particulate matter in a tank or similar enclosure, comprising a feed hopper, a discharge conduit integral with the hopper, a motor-driven rotating shaft disposed axially of the outlet opening of the conduit, and downstream of said outlet opening is at least |
| 4283585 |
Hydrocarbon isomerization catalysts and procedures for the preparation and use thereof |
August 11, 1981 |
| Hydrocarbon isomerization catalysts comprising typically refractory mineral oxide carrier such as alumina and a halogen element present in combined form, together with, in the free or combined state:A platinum-group metal;second element from the group consisting of titanium, zirconium, tungs |
| 4250227 |
Micron size polymeric coating and related methods |
February 10, 1981 |
| Process for, and composites made by, coating a polymer layer onto a support, obtained by quenching a solution of the polymer to form a polymer suspension, by spreading the suspension on the support, and thereafter eliminating the solvent. The resulting coating of polymer preferably may |
| 4227993 |
Catalysts for the hydrotreatment of hydrocarbons and their utilization |
October 14, 1980 |
| Catalysts particularly useful for hydroreforming and isomerization of hydrocarbons formed of a refractory mineral oxide carrier having a halogen in combined form and the following metals in free or combined state:(a) A metal from the platinum group (0.02 to 2%);(b) tin (0.02 to 2%); and(c) a |
| 4222853 |
Application of sulfosuccinic ester anti-fouling agents |
September 16, 1980 |
| The invention relates to anti-fouling agents capable of decreasing the fouling of equipment in contact with a hydrocarbon charge.These agents comprise at least one compound selected from the group consisting of substances having the formula: ##STR1## where R and R' are linear or bran |
| 4213849 |
Method of using catalysts for reforming or isomerizing hydrocarbons |
July 22, 1980 |
| The improvement of the preferred Pt-Sn on alumina bimetallic catalyst (and similar catalysts) for hydrotreatment of hydrocarbons, comprising the catalyst further containing silicon in combined form. |
| 4201696 |
Hydrocarbon isomerization catalysts and procedures for the preparation thereof |
May 6, 1980 |
| Hydrocarbon isomerization catalysts comprising typically refractory mineral oxide carrier such as alumina and a halogen element present in combined form, together with, in the free or combined state:a platinum-group metal;second element from the group consisting of titanium, zirconium, tungs |
| 4200624 |
Combined hydrogen storage and production process |
April 29, 1980 |
| In a combined process for the storage and production of hydrogen from a hydrogen reserve containing magnesium in the free or combined state, said process consisting of storing the hydrogen in the supply, decomposing the supply to produce hydrogen, and reconstituting the supply of hyd |
| 4200623 |
Process for the preparation of a hydrogen reserve |
April 29, 1980 |
| The preparation of hydrogen reserves by mixing magnesium with at least one other appropriate element, compacting the mixture obtained, and hydrogenating it. Such additional element includes at least one element selected from the group consisting of group IIIB, including the rare eart |
| 4200550 |
Process and apparatus for desalting crude petroleum |
April 29, 1980 |
| A process for desalting crude petroleum comprises breaking down a stable emulsion of water and crude petroleum when formed in a desalter, by injecting a demulsifying agent, such as di-2-ethyl hexyl sulphosuccinate, into the desalter at a predetermined level, when the sample taken at this |
| 4198497 |
N-Substituted acrylamidines, copolymers of N-substituted acrylamidines and esters of acrylic and |
April 15, 1980 |
| N-substituted acrylamidines having the general formula: ##STR1## in which R.sub.1 is an isopropyl group, R.sub.2 and R.sub.3 each is hydrogen, ethyl, propyl, butyl, pentyl, octyl, or octadecyl. The acrylamidine is copolymerized with at least one ester of acrylic and/or methacryli |
| 4193978 |
Production of hydrogen |
March 18, 1980 |
| Method of utilizing lithium borohydride for the storage and generation of hydrogen where the lithium borohydride is thermally decomposed to generate hydrogen and the remaining decomposition products (contaning boron in free or combined form and lithium in free or combined form) are hydro |
| 4170547 |
Process for the separation of dienic or aromatic hydrocarbons from hydrocarbon fractions contain |
October 9, 1979 |
| Process for the extraction of diene or aromatic hydrocarbons from petroleum hydrocarbon fractions employing sulfonamides as solvents. Also described are new sulfonamides useful as solvents for the extraction process. |
| 4116870 |
Catalysts for the hydrotreatment of hydrocarbons and processes for the utilization of said catal |
September 26, 1978 |
| A catalyst useful for the hydrotreatment of hydrocarbons comprising, on a refractory inorganic oxide support, the following metals:(a) from 0.02 to 2% of at least one platinum metal;(b) from 0.02 to 2% of at least one metal belonging to the group consisting of zirconium, titanium, and tungst |
| 4111554 |
Process for the specific quantitative detection of sulfur compounds and apparatus for carrying o |
September 5, 1978 |
| An improved flame photometry detector to give direct quantitative detection of molecules containing sulfur by:-- the total combustion of the mixture to be analyzed so as to transform the sulfur into sulfur oxide (primarily SO.sub.2);-- the linearization, by an electronic device, of the signa |
| 4100109 |
Catalyst and a process for their preparation |
July 11, 1978 |
| Catalysts whose carrier is formed of an intimate mixture of aluminum oxide and at least one oxide of a second metal from groups VIB and VIII of the periodic table of the elements. The active phase of these catalysts comprises at least one metal from groups III to VIII of the periodic |
| 4097412 |
Catalyst carriers and a process for their preparation |
June 27, 1978 |
| Catalyst carriers being an intimate mixture of aluminum oxide and at least one oxide of a second metal from groups VIb and VIII of the periodic table of the elements; preparation process of said carriers by coprecipitation in the form of a gel from aqueous and/or organic solutions of alu |
| 4071437 |
Catalysts for the hydrotreatment of hydrocarbons and a process for the preparation and utilizati |
January 31, 1978 |
| Catalysts are disclosed for the hydrotreatment of hydrocarbons, and particularly for reforming, which contain no platinum and which consist of:A refractory-mineral carrier (alumina).0.05 to 5 wt. % of at least one first metal from the group consisting of iron, cobalt, and nickel.At least |
| 4069287 |
Process for the production of polyolefin fibers |
January 17, 1978 |
| A process and apparatus for manufacturing polyolefin fibers from a composition of the said polyolefins dissolved in a diluent, by subjecting the composition to flow at a velocity above a critical value in a tube or bundle of tubes, the temperature of the composition being within the rang |
| 4062787 |
N-Substituted acrylamidines, copolymers of N-substituted acrylamidines and esters of acrylic and |
December 13, 1977 |
| N-substituted acrylamidines having the general formula: ##STR1## in which R.sub.1 is an isopropyl group,R.sub.2 and R.sub.3 each is hydrogen, ethyl, propyl, butyl, pentyl, octyl, or octadecyl. The acrylamidine is copolymerized with at least one ester of acrylic and/or methacrylic aci |
| 4052532 |
Electrolyte-electrode assembly for a combustible battery |
October 4, 1977 |
| An electrolyte-electrode assembly for a combustible battery comprising a ceramic solid electrolyte conductive to oxygen ions and impermeable to gas. An electrode is secured on one surface of the electrolyte and comprises a porous layer of doped indium oxide composed of dendrites which |
| 4039477 |
Catalysts for the hydrotreatment of hydrocarbons and their utilization |
August 2, 1977 |
| Catalysts particularly useful for hydroreforming and isomerization of hydrocarbons formed of a refractory mineral oxide carrier having a halogen in combined form and the following metals in free or combined state:A. A metal from the platinum group (0.02 to 2%);B. tin (0.02 to 2%); andC. at l |
