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| Number | Title | Issue Date |
| 7341102 | Flue gas injection for heavy oil recovery A variety of methods for thermal recovery of natural gas and bitumen from a formation containing the latter. In general, the methods incorporate a series of existing, but previously uncombined technologies. A modified flue gas from the steam generators conventionall... | 03/11/2008 |
| 7279017 | Method for converting heavy oil residuum to a useful fuel A method for enabling the use of heavy oil residuum by conversion to a useful product. The method, in one embodiment, involves the use of a heavy oil residuum which is substantially non flowable. The viscosity of the residuum is reduced by heat or a combination of h... | 10/09/2007 |
| 5178640 | Method for preparing a synthetic fuel and/or synthetic components for fuels, and the product obtained thereby Synthetic fuel and/or synthetic components for fuels are prepared from a mixture of aromatic polycarboxylic acids of suitable elementary composition, having a mean molecular weight of between 120 and 800 and an acidity of between 5 and 18 meq/g by partial... | 01/12/1993 |
| 4375361 | Process for making a high octane fuel component A process for converting Udex raffinate to a high octane fuel component by mild, liquid phase oxidation to a product of moderate to low acidity, distilling off a neutral oxidate, esterifying the acidic residue to a neutral product and combining the neutra... | 03/01/1983 |
| 4242212 | Mannich additives modified by ditertiary alkyl phenol Mannich additives formed from a 2,4- or 2,6-ditertiary alkyl "hindered" phenol, a polyamine, a formaldehyde-yielding reagent and at least one substantially hydrocarbon compound with at least one active or acidic hydrogen selected from the group consisting... | 12/30/1980 |
| 4203730 | Polyamine derivatives of oxidized olefinic substituted dicarboxylic acid compounds A polyamine derivative of an oxidized substantially undegraded olefinic substituted dicarboxylic acid compound and gasoline compositions containing an effective amount of the reaction product.... | 05/20/1980 |
| 4036772 | Esters made from the reaction product of low molecular weight ethylenically unsaturated acylating agents and oxidized ethylene-propylene interpolymers Esters made from (A) high molecular weight carboxylic acid reagents derived from low molecular weight ethylenically unsaturated carboxylic acid reagents and oxidized ethylene-propylene interpolymers and (B) mono- or polyhydric alcohols are useful in lubri... | 07/19/1977 |
| 3931024 | Nitrogen-containing dispersant from polyolefin A multifunctional additive for an oil from the class consisting of gasoline, middle distillate fuels, and lubricating oils is prepared by the reaction of an aliphatic polyamine such as diethylene triamine, tetraethylene pentamine, and the like with the pr... | 01/06/1976 |
