Bizarre Patents
Mouthguard made at least partially from an edible candy
A mouthguard includes a U-shaped upper bite plate which removably fits over upper teeth of a person, with the entire upper bite plate being made from a soft, deformable and edible gummi candy.
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| Number | Title | Issue Date |
| 7368589 | Purification of silicone containing compounds by supercritical fluid extraction The present invention relates to a process for the purification of silicone containing compounds via supercritical fluid extraction. Specifically, the present invention relates to a process comprising the steps of contacting at least one silicone containing compound... | 05/06/2008 |
| 6554995 | Method of separating petroleum-containing material into fractions, extraction system, and extraction fluid therefor A method of separating a petroleum-containing material into at least two fractions, an extraction system, and an extraction fluid therefor are provided. Petroleum-containing material as well as a solvent mixture comprising 50%-99% by volume sub-critical c... | 04/29/2003 |
| 5225072 | Processes for the separation of aromatic hydrocarbons from a hydrocarbon mixture Processes are disclosed for the separation of aromatic hydrocarbons from feedstreams containing mixtures of aromatic and non-aromatic hydrocarbons using extractive distillation with an aromatic selective solvent in order to separate the aromatic hydrocarb... | 07/06/1993 |
| 4761222 | Method for separating normally liquid organic compounds A mixture of normally liquid organic compounds, particularly a light cycle oil obtained by the catalytic cracking of petroleum oils, is separated by contacting the mixture with an essentially anhydrous organic sulfoxide, particularly dimethylsulfoxide, to... | 08/02/1988 |
| 4401560 | Process for the separation of aromatic hydrocarbons from petroleum fractions with heat recovery An improvement to a continuous solvent extraction-steam distillation process for the recovery of aromatic hydrocarbons in the range of C6 -C16 from a feed stream containing such aromatics and aliphatic hydrocarbons in the range of C | 08/30/1983 |
| 4267034 | Separating olefins from paraffins with dimethyl sulfoxide extractant A method for separating olefins from paraffins in which a mixture of olefin and paraffin is contacted with a dimethyl sulfoxide (DMSO) extractant stream in the liquid phase thereby dissolving olefins in the DMSO and permitting separation of a paraffin str... | 05/12/1981 |
| 4240901 | Process for refining hydrocarbon oils An improved solvent refining process for hydrocarbon oils such as asphalt-free lube fractions and diesel fuels is provided by recycling an inert gas such as nitrogen through the contact zone of the extraction tower.... | 12/23/1980 |
| 4179362 | Process for aromatics extraction from a 300°-430° F. boiling range naphtha Petroleum fractions may be separated into aromatic rich and paraffinic-rich hydrocarbon streams by the use of methanol/water mixtures having at least 10% water by volume. The paraffinic-rich stream is recovered as raffinate and the aromatic-rich as extrac... | 12/18/1979 |
| 4170544 | Hydrocracking process including upgrading of bottoms fraction of the product An improved hydrocarbon hydrocracking process is disclosed wherein residual nitrogen-containing and/or polycyclic hydrocarbon impurities are extracted from bottoms of the resulting hydrocrackate by contacting the bottoms under liquid-liquid extracting con... | 10/09/1979 |
| 4013549 | Lube extraction with NMP/phenol/water mixtures Lubricating oil stocks are upgraded by contacting same with a solvent comprising a mixture of n-methyl-2-pyrrolidone (NMP) and phenol. The solvent may also contain a minor amount of water. The phenol concentration in the solvent ranges between about 20 an... | 03/22/1977 |
| 3985644 | Use of water/methanol mixtures as solvents for aromatics extraction Petroleum fractions may be separated into aromatic-rich and paraffinic-rich hydrocarbon streams by the use of methanol/water mixtures having more than 20% water. The paraffinic-rich stream is recovered as raffinate. The aromatic-rich stream passes out of ... | 10/12/1976 |
