Did You Know...
...that several people are credited with the invention of the flush toilet? Most people have heard of Thomas Crapper (1837-1910), the sanitary engineer who invented the valve-and-siphon arrangement that made the modern toilet possible. Another claimant to "the throne" was British inventor Alexander Cumming who patented a toilet in 1775. Then there's a nameless Minoan (a native of ancient Crete) who lived 4,000 years ago who supposedly was ahead of his time and created the first flush toilet!
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| Number | Title | Issue Date |
| 7374588 | Fuel combustion A stable, substantially clear and homogeneous fuel composition contains an additive comprising a nitrogen donor and carrier, the nitrogen donor being present in an amount sufficient to reduce the NOx emissions of the fuel when subject to combustion and th... | 05/20/2008 |
| 7141084 | Fuel for fuel cell system A fuel for a fuel cell system, which comprises at least 5 vol. % of hydrocarbons based on the whole fuel and 0.5 to 20 mass % of oxygenates in terms of an oxygen content based on the whole fuel, wherein the total content of hydrocarbon compounds which have carbon nu... | 11/28/2006 |
| 6514298 | Fuel additive and fuel composition Fuel additives comprise a compound having a group represented by the formula >C.dbd.=N-- (1). Also disclosed are fuel compositions containing such additives. The additives have a superior detergent effect to conventional gasoline detergents and an excell... | 02/04/2003 |
| 5752990 | Composition and method for reducing combustion chamber deposits, intake valve deposits or both in spark ignition internal combustion engines Combustion chamber deposits and intake valve deposits in a spark ignition internal combustion engine which uses a liquid hydrocarbon or liquid hydrocarbon-oxygenate fuel, by using an unleaded fuel to which has been added an additive selected from the grou... | 05/19/1998 |
| 5567212 | Use of olefinic imines to scavenge sulfur species A method for scavenging sulfur species from a petroleum-derived medium is disclosed. The method comprises contacting the medium with sulfur species scavenging amount of an imine of the formula ##STR1## wherein x is an integer from 1 to 10, R' is an o... | 10/22/1996 |
| 5567213 | Use of olefinic imines to scavenge sulfur species A method for scavenging sulfur species from a petroleum-derived medium is disclosed. The method comprises contacting the medium with sulfur species scavenging amount of an imine of the formula ##STR1## wherein x is an integer from 1 to 10, R' is an o... | 10/22/1996 |
| 5372614 | Sludge dispersing agent for fuel oil and fuel oil composition containing the same A sludge dispersing agent for fuel oils includes a polymer having at least one >C.dbd.N+ < bond in its molecule and at least one compound selected from the group consisting of long-chain alkyl phosphates and alkyl sulfosuccinates and salts ther... | 12/13/1994 |
| 5266080 | Methanol fuel containing flame luminosity agent The flame luminosity of a methanol fuel is appreciably enhanced by the addition thereto of at least one flame luminosity enhancing agent selected from the group consisting of azine dye, triarylmethane dye, fluorescein dye, imine dye and anthraquinone dye,... | 11/30/1993 |
| 5223127 | Hydrogen sulfide scavengers in fuels, hydrocarbons and water using amidines and polyamidines A method for scavenging hydrogen sulfide in an aqueous and/or hydrocarbon medium is disclosed. According to the method, the medium is contacted with an effective amount of an amidine selected from the group consisting of monoamidines of from 1 to about 18... | 06/29/1993 |
| 5169411 | Suppression of the evolution of hydrogen sulfide gases from crude oil, petroleum residua and fuels Hydrogen sulfide gas evolution during storage or transport of petroleum residua is suppressed by the incorporation of an effective amount of certain imines.... | 12/08/1992 |
| 5162049 | Middle distillate fuels and additives therefor This invention relates to stabilizer additives for hydrocarbonaceous fuels comprising at least one or a mixture of hexahydrotriazine compounds and at least one or a mixture of imine compounds.... | 11/10/1992 |
| 5152807 | Fuel oil compositions containing guanidinium salts Sediment and color formation in diesel and heating fuel oils, especially those comprising a cracked fraction, may be reduced by incorporating in the fuel oil a guanidinium or substituted guanidinium salt.... | 10/06/1992 |
| 5100532 | Selected hydroxy-oximes as iron deactivators 2'-hydroxy-4' or 5'-alkylacetophenone oximes and 2-hydroxy-4 or 5-alkylbenzaldehyde oximes are used to deactivate iron species contained in hydrocarbon fluids. Left untreated, iron leads to decomposition of the hydrocarbon, resulting in the formation of g... | 03/31/1992 |
| 5032144 | Octane enhancers for fuel compositions The octane value of fuels such as gasoline is increased by adding thereto an organic compound containing a tert-butyl group bonded to a carbon or nitrogen atom, which, in turn, is bonded to yet another atom by double or triple bonds.... | 07/16/1991 |
| 4673412 | Fuel additive comprising a metal compound and an oxime and fuel compositions containing same A fuel composition containing a fuel additive which comprises a metal compound has been developed which fuel composition is stable upon storage. It has been discovered that a fuel additive comprising a metal compound and an oxime does not degrade a fuel, ... | 06/16/1987 |
| 4292047 | Benzoquinone and amine reaction product for fuels and mineral oils A benzoquinone and hydrocarbyl amine reaction product having detergent and corrosion inhibiting properties for fuel and lubricant compositions is provided.... | 09/29/1981 |
| 4269720 | Amine antioxidant Organic material such as lubricating oil is stabilized against oxidative degradation by addition of an alkyl aniline (e.g. 2,4,6-triethylaniline; 2-sec-butyl-6-ethylaniline), monoethyldiphenylamine and/or N-(2-amino-3-ethyl--methylbenzylidene)-2,6-... | 05/26/1981 |
| 4233035 | Additives for aviation and similar fuels A hydrocarbon fuel, especially a copper-sweetened aviation jet fuel, contains a metal deactivator which is an oxime of either an orthohydroxy aromatic ketone or -hydroxy aliphatic ketone, or an imine of a diamine with an ortho hydroxy aromatic keto... | 11/11/1980 |
| 4003719 | Schiff bases as biocides in petroleum products A composition for preventing the growth of micro-organisms in petroleum hydrocarbons in contact with water by incorporating from about 0.05 to 0.1 per cent by volume of a hydrocarbon soluble Schiff base having less than 20 carbon atoms per hetero atom.... | 01/18/1977 |
