| 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 |
| 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 |
| 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)-- |
| 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 |
| 4937007 |
Process for inhibiting the deposit of paraffins in crude oils and petroleum sections utilizing N |
June 26, 1990 |
| A process for inhibiting the deposit of paraffins in crude oils and petroleum fractions incorporating additives of the family of N-substituted succinimide ethers. The additives according to the invention make it possible, on the one hand, to maintain in dispersion the whole range of |
| 4652273 |
Hydrocarbon middle distillates composition containing nitrogen-containing additives for decreasi |
March 24, 1987 |
| A hydrocarbon middle distillate contains an additive for decreasing its cloud point, obtained by reacting an aliphatic dicarboxylic compound selected from the maleic and alkylmaleic anhydrides, the alkenylsuccinic and polyalkenylsuccinic anhydrides and the corresponding dicarboxylic |
| 4576648 |
Cationic emulsions of bituminous binders of the bitumen type and their process of preparation |
March 18, 1986 |
| Cationic emulsions of bituminous binders of the type consisting of an organic phase formed of a bituminous binder dispersed in an aqueous phase containing a cationic emulsifying agent and an acid.The bituminous binder is a bitumen-polymer type binder and the acid present in the aqueous p |
| 4422856 |
N-Substituted succinimides, their preparation and use as motor fuel additives |
December 27, 1983 |
| N-substituted succinimides are obtained by reacting in a first stage, maleic anhydride with an oxyalkylated or polyoxyalkylated monoalcohol of formulawherein R.sup.1 is an aliphatic radical having from 12 to 25 carbon atoms, A is an alkylene radical having 2 to 4 carbon atoms and n is an |
| 4375974 |
Detergent compositions, their manufacture and their use as additives for fuels |
March 8, 1983 |
| A nitrogen-containing composition, useful as a detergent for gasoline, is obtained by reacting at least one unsaturated anhydride with at least one olefin to convert 20-80% of the anhydride and thereafter reacting the resultant product with a polyamine of the general formulawherein R.sup |
| 4353729 |
Plant fertilizing and growth activating structures and applications thereof |
October 12, 1982 |
| Microporous, fertilizing materials or compositions, retaining water and accelerating the germination and growth of plants, characterized in that they are composed of a hydrocarbon base containing asphaltenes modified by an oxidation agent producing a liberation of gas, directly, or indir |
| 4154710 |
Method of preparing novel bitumen compositions |
May 15, 1979 |
| A method of preparing novel bitumen compositions which comprises a first step wherein an olefinic unsaturated organic compound having a molecular weight varying between 300 and 30,000 is added to a bitumen having a penetration value varying between 30 and 220, and a second step wherein a |
| 4145322 |
Process for preparing bitumen-polymer compositions |
March 20, 1979 |
| The present invention is related to a novel process for preparing bitumen-polymer compositions. These compositions contain block copolymers comprising diene and styrene groups.The compositions present excellent mechanical properties even at low temperatures. |
| 3997399 |
Fermentation process for the production of citric and isocitric acids |
December 14, 1976 |
| The invention relates to a process for the production of citric and osocitric acids by a culture of a diploid Candida Lipolytica yeast in a nutrient medium containing substances which are sources of carbon, nitrogen, and mineral compounds, the medium containing thiamin in a concentra |