| Patent Number |
Title Of Patent |
Date Issued |
| 7374589 |
Fuel with low sulphur content for diesel engines |
May 20, 2008 |
| The invention concerns a fuel for diesel engines, with a sulphur content of less than 500 ppm containing in a major proportion at least one average distillate from a straight-run distilling cup of crude oil, with temperature ranges between 150 and 400.degree. C. and in a minor propor |
| 7179368 |
Method for desulfurizing thiophene derivatives contained in fuels |
February 20, 2007 |
| The invention concerns a method for selectively desulphurizing thiopene compounds contained in hydrocarbons derived from crude oil distillation, whether refined or not, which consists in oxidising the thiophene sulphur atoms into sulphone in the presence of an oxidising agent and in |
| 6852779 |
Method for the production of cross-linked and/or functionalized bitumen/polymer compositions and |
February 8, 2005 |
| Compositions produced by forming a homogenous mass consisting of a bitumen matrix wherein a cross-linked and/or functionalized elastomer produced in situ from a precursor elastomer is dispersed in a uniform manner and makes up 0.5-30% of the weight of the bitumen matrix. The bitumen matr |
| 6793694 |
Temperature-stable emulsified fuel |
September 21, 2004 |
| The invention provides an emulsified fuel containing a major portion of hydrocarbon liquid and a minor portion of water, containing a set of additives including an emulsifying system comprising from 2.5 to 3.5 parts by weight of at least one sorbitol ester, from 1.5 to 2.5 parts by weigh |
| 6782943 |
Fouling reduction device for a tubular heat exchanger |
August 31, 2004 |
| A fouling reducing device for the tubes of a tubular heat exchanger of the type that contains at least one turbulence-generating element lodged inside one of the tubes of the exchanger. The fouling reducing device is a turbulence-generating element made of a metallic alloy with a nickel |
| 6623536 |
Multifunctional additive composition for cold process treatment of middle distillates |
September 23, 2003 |
| The invention concerns a composition of mulifunctional additives for cold process treatment obtained by reacting carboxylic compounds with amine compounds, characterized in that it contains at least 50 wt. % of a mixture consisting of 10 to 90 wt. % of an additive (AB) of a carboxylic |
| 6592639 |
Fuel with low sulphur content for diesel engines |
July 15, 2003 |
| The invention concerns a fuel for diesel engines, with a sulphur content of less than 500 ppm containing in a major proportion at least one average distillate from a straight-run distilling cup of crude oil, with temperature ranges between 150 and 400.degree. C. and in a minor propor |
| 6589301 |
Method for preparing an emulsified fuel and implementing device |
July 8, 2003 |
| A process and apparatus for industrial-scale preparation of an emulsified fuel including a water phase in a continuous organic phase which contains less than 20% by volume of water, and at least one additive necessary for forming the emulsified fuel. The fuel is formed by mixing and homo |
| 6528459 |
Marine lubricant for two-stroke engine |
March 4, 2003 |
| The invention concerns a lubricant for a two-stroke slow speed crosshead marine engine, powered with a fuel with sulfur content not less than 1%, consisting of a mixture of distillates used as lubricating bases containing x wt. % of dispersing additive of the succinimide type, y wt. % |
| 6511520 |
Additive for fuel oiliness |
January 28, 2003 |
| The invention concerns an additive for motive fuel additive, in particular with low sulphur content not more than 500 ppm, consisting for the most part of a combination comprising 5 to 95 wt. % of a glycerol monoester R.sub.1 --C(O)--O--CH.sub.2 --CHO--CH.sub.2 OH or R.sub.1 --C(O)-- |
| 6464763 |
Water soluble composition as metal surface coating in the form of dry films proof to atmospheric |
October 15, 2002 |
| A composition for use in forming a dry film coating on metal surfaces to at least temporarily protect the surfaces from oxidation comprises at least 20% by weight of a combination of at least one saturated linear carboxylic monoacid with at least one unsaturated linear carboxylic monoaci |
| 6347884 |
Method and device for determining the stability of a water-hydrocarbon emulsion |
February 19, 2002 |
| The invention concerns a method and device for determining the temperature stability of a water-hydrocarbon emulsion capable of phase separation by monitoring the weight variations of a gravimetric sensor part of which is immersed in said mixture. The method consists in a first step of c |
| 6245571 |
Method of characterizing the neutralization capacity of a lubricant and device for the implement |
June 12, 2001 |
| The invention relates to the study and the manufacture of lubricants used in particular in diesel engines. According to the invention, the neutralization capacity of a lubricant comprising detergent additives is determined by a method which consists in reacting, in a leaktight tank, at |
| 6224768 |
Filter paper for laden liquids |
May 1, 2001 |
| The subject-matter of the present invention is a filter paper for laden liquids, with a high adsorption and absorption capacity. This paper, based on cellulose fibers, is filled with organic and/or inorganic pulverulent matter. The powder filling is adapted in quantity and quality to the |
| 6218449 |
Process for the preparation of functionalized elastomer/bitumen compositions and their use in co |
April 17, 2001 |
| The invention provides a method comprising contacting, between 100.degree. C. and 230.degree. C. and under agitation, an elastomer, a functionalising agent and optionally, a peroxide compound. The functionalising agent is a thiolcarboxylic acid polyester or a reaction product of a thiolc |
| 6128544 |
Process for monitoring and control of the operation of an analyzer and of a manufacturing unit t |
October 3, 2000 |
| A process for monitoring and controlling a slave analyzer and a manufacturing unit linked to the slave analyzer, including the steps of a) feeding standard samples having a known characteristic to a master analyzer; b) generating master signals from the master analyzer based on the k |
| 6113661 |
Fuel composition for diesel engines containing oxygenated compounds |
September 5, 2000 |
| A fuel composition containing, as a major portion, at least one fuel base, and, as a minor portion, at least one oxygenated compound, which contains at least 0.05% by weight of at least one trialkoxyalkane of the formula (I): ##STR1## wherein: X is a divalent hydrocarbon-containi |
| 6090745 |
Process for preparing water-treatment catalysts |
July 18, 2000 |
| The invention provides a method for preparing catalysts, containing metals of groups VI and VIII on a carrier. The metals of groups VI and VIII metals are introduced in the form of a compound of formula M.sub.x A B.sub.12 O.sub.40 in which M is cobalt and/or nickel, A is phosphorus, |
| 6087420 |
Process for the preparation of polymer/bitumen compositions and their use in coatings |
July 11, 2000 |
| The invention provides a method for producing bitumen/polymer compositions which consists of contacting, between 100.degree. C. and 230.degree. C. and under agitation, a bitumen or a mixture of bitumens with at least one styrene and butadiene copolymer having a global butadiene content r |
| 6083287 |
Detergent and anti-corrosive additive for fuels and fuel composition |
July 4, 2000 |
| The invention concerns a detergent and anti-corrosive additive for engine fuels, in particular gas oil, containing amide or imide functions characterised in that it is obtained by mixing wt. 60 to 90% of a compound A consisting of at least one carboxylic polyalkenyl, diacid or anhydride, |
| 6076961 |
Method and device for determining the low-temperature stability of a hydrocarbon mixture |
June 20, 2000 |
| The invention concerns a method for determining the temperature stability of a hydrocarbon mixture capable of phase separation by monitoring the weight variations of a gravimetric sensor part of which is immersed in said mixture. The method consists in: a first step of accelerated coolin |
| 6071318 |
Bifunctional cold resistance additive for fuels, and fuel composition |
June 6, 2000 |
| A bifunctional anti-settling and dispersant additive for middle distillates from 150-450.degree. C. petroleum fractions, characterized in that consists of at least one modified copolymer with a weight-average molecular weight of 500-5000 prepared as follows: in a first step, a first |
| 6068670 |
Emulsified fuel and one method for preparing same |
May 30, 2000 |
| A novel fuel which is an emulsion of water in at least one hydrocarbon, and which contains an emulsifying system containing at least one sorbitol ester, at least one fatty acid ester and at least one polyalkoxylated alkylphenol. The system has an overall HLB of between 6 and 8, and the |
| 6012019 |
Process for tracking and monitoring a manufacturing unit and/or a near-infrared spectrometer by |
January 4, 2000 |
| A process for tracking and monitoring the operation of a unit for manufacturing a product and/or a near-infrared spectrometer fed with the product. The process includes periodically recording spectra arising from the near-infrared spectrometer, mathematically transforming the spectra, |
| 6011095 |
Method for preparing bitumen/polymer compositions and use thereof |
January 4, 2000 |
| Bitumen/polymer compositions are produced by contacting, between 100.degree. C. and 230.degree. C., under agitation, one bitumen or a mixture of bitumens with at least one olefinic polymer bearing epoxy or COOH groupings, then by incorporating in the product, an acid additive while t |
| 5984110 |
Device for purifying lightly laden water |
November 16, 1999 |
| The subject matter of the present invention is a device for purifying lightly laden water containing particles and/or fatty matter and/or microorganisms in suspension. The device of the invention is a filter comprising a grid (1) on which is placed a filter element (3) consisting of |
| 5973324 |
Process for tracking and monitoring a manufacturing unit and/or a near-infrared spectrometer by |
October 26, 1999 |
| A process for tracking and monitoring the operation of a unit for manufacturing a product and/or a near-infrared spectrometer fed with the product. This process includes computing at least one indicator of proper operation of the manufacturing unit and/or of the near-infrared spectro |
| 5965091 |
Filled paper for gas filtration |
October 12, 1999 |
| The present invention relates to a filled paper for gas filtration, with a high adsorption and absorption capacity. This paper, consisting of cellulose fibers, is filled with organic and/or inorganic powders adapted in quantity and in quality to the gas to be treated.It finds its applica |
| 5944420 |
Plant for mixing and packaging liquid products |
August 31, 1999 |
| Apparatus for mixing and packaging liquid materials, comprising a number of assemblies which in turn include a number of modules, each mounted on a frame for lifting, transporting and positioning the associated module. |
| 5932796 |
Apparatus for the determination of the flashpoint of a substance |
August 3, 1999 |
| An apparatus for determining the flashpoint of a substance, including a test cup adapted to contain the substance, a heating element which heats the substance, a tube and a needle valve which produce a calibrated flame, a temperature sensor which measures the temperature of the substance |
| 5845237 |
Process for determining the value of a physical quantity |
December 1, 1998 |
| Process for determining the value of a physical quantity for a product to be analysed on the basis of the values of recordings of signals delivered by at least one measuring instrument fed with the said product and of a validated model, constructed from an initial file of numerical data, |
| 5844126 |
Method and device for determining the speed of propagation of a temperature wave front in a gas |
December 1, 1998 |
| The propagation of a temperature wave front in an enclosed space containing a gas features the measurement of the time which elapses between the passage of a temperature wave front past two thermionic probes 5, 6 mounted on the wall 4 of an enclosed space 3 arranged substantially along |
| 5756565 |
Non-gellable bitumen/polymer compositions |
May 26, 1998 |
| Non-gellable, high temperature storage-stable bitumen/polymer compositions are provided and which are produced by stirring a sulphur-cross-linkable elastomer, an antigelling adjuvant and a sulphur-donating coupling agent into a bitumen or bitumen mixture at 100.degree.-230.degree. C. The |
| 5725610 |
Additive composition for cold operability of middle distillates |
March 10, 1998 |
| Additive composition enhancing the low temperature operability of average distillates beyond -20.degree. C. comprising at least 40% by weight of a composition consisting of: i) from 60 to 94% by weight of an antisedimentation additive resulting from the reaction of at least one aliph |
| 5708593 |
Method for correcting a signal delivered by a measuring instrument |
January 13, 1998 |
| A method for correcting a signal delivered by a slave measuring instrument with respect to a reference signal delivered by a master measuring instrument of the same type involved in the analyzing of the same product includes the provision of standardization signals delivered by both the |
| 5681483 |
Process for the treatment of oily suspensions |
October 28, 1997 |
| A process is provided for the treatment of suspensions comprised of oil, water and solids in which the suspension is subjected to centrifugation employing a centrifugal filter, coated with an organic powder having an index of compressibility comprised between 0 and 1.2, and wherein under |
| 5678616 |
Fixed installation for filling aircraft with fuel |
October 21, 1997 |
| A fixed installation is placed close to at least one aircraft parking area. The installation includes a pipe connected to the system. Said pipe is routed into a fixed base erected on the ground and then into an articulated structure. Its extremity for connection to the aircraft is mo |
| 5618862 |
Preparation of bitumen/polymer compositions and use thereof |
April 8, 1997 |
| Bitumen/polymer compositions with a broadened plasticity range are produced by stirring together a bitumen or bitumen mixture and a sulphur-cross-linkable elastomer as well as a sulphur-donating coupling agent at 100.degree.-230.degree. C. to give a cross-lined bitumen/polymer compos |
| 5609653 |
Fuel compositions containing at least one fulvene derivative and their use |
March 11, 1997 |
| Fuel compositions containing a major proportion of at least one fuel base and a minor proportion of at least one fulvene derivative, characterized in that the said fulvene derivative is a 5-(alkylalkylidene)-1,3-cyclopentadiene of formula (I) below: ##STR1## where R.sub.1 is the |
| 5600959 |
Method of replacing the lubrication product in refrigeration systems |
February 11, 1997 |
| Method of replacement of at least one CFC lubricant compatible with chlorofluorocarbon-containing cooling fluids, by at least one HFC lubricant compatible with hydrofluorocarbon-containing cooling fluids, before the replacement of the CFC fluid by an HFC fluid in a cooling system. Th |
| 5505237 |
Aircraft refuelling installation |
April 9, 1996 |
| In order to carry out the refuelling of an aircraft, use is made of an installation associated with the loading bridge used for the transfer of passengers between the air terminal and the aircraft. The installation includes a retractable extension mechanism supported by the loading bridg |
| 5498341 |
Process for ultrafiltration of stabilized emulsions |
March 12, 1996 |
| A process is provided for the ultrafiltration of stabilized emulsions, such as cutting oils, which comprises circulating the emulsion through a chamber partially bounded by a porous membrane, and before the emulsion enters the said chamber, a small quantity of salt is introduced into it, |
| 5472457 |
Gasoline additives containing alkoxylated imidazo-oxazoles |
December 5, 1995 |
| Compounds with general formula ##STR1## where R.sup.1 represents a hydrogen atom or a hydrocarbon group containing 1 to 40 carbon atoms. R.sup.2 represents a hydrogen atom or a hydrocarbon group containing 1 to 12 carbon atoms, A, B, and C, which may be identical or different, ea |
| 5460714 |
Liquid phase catalytic hydrocarbon hydroconversion with polyaromatic additive |
October 24, 1995 |
| The invention involves the liquid phase hydroconversion of hydrocarbon charges containing heavy fractions, and more particularly their deep conversion, in which the charge is contacted with a dispersed catalyst in the presence of a polyaromatic additive. The catalyst is a sulfide of a |
| 5457985 |
Process for measuring the cetane number of supply fuels for diesel engines and apparatus for per |
October 17, 1995 |
| An apparatus and method for testing and monitoring fuels produced for diesel engines. The cetane number of a supply fuel for a diesel engine is measured based on the value of the cetane number of two reference fuels. The autoignition delay is measured and compared to the delay for the |
| 5449386 |
Amine phosphates having a terminal cyclic imide |
September 12, 1995 |
| Amine phosphate having a terminal imide cycle resulting from the reaction, under formation conditions for an amine salt, of at least one phosphate complying with the general formula (I): ##STR1## in which n is equal to 1 or 2, R.sup.1 is a divalent hydrocarbon group having 1 to 3 |
| 5425788 |
Additive compositions for fuels comprising nitrogen-containing products incorporating two imide |
June 20, 1995 |
| An additive composition for fuels comprising at least one constituent (A) and at least one constituent (B), the said constituent (A) comprising at least one multinitrogen-containing compound of general formula (I): ##STR1## where R.sup.1 and R.sup.2, which are the same or different e |
| 5356846 |
Hydrorefining catalyst containing ruthenium sulphide, its synthesis and hydrorefining process us |
October 18, 1994 |
| The present invention relates to a hydrorefining catalyst containing ruthenium sulphide including the synthesis thereof and also to a process for hydrorefining hydrocarbon feedstocks using the aforementioned catalyst. |
| 5314935 |
Bitumen/polymer component making it possible to obtain bitumen/polymer compositions with very lo |
May 24, 1994 |
| A bitumen/polymer component of the type consisting of a hydrocarbon matrix is provided in which a sulphur-crosslinked elastomer is distributed homogeneously in a quantity such that it presents 5% to 20% by weight of the bitumen/polymer component. The component exhibits a penetration, |
