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| Number | Title | Issue Date |
| 7034060 | Polycosanols from wax The present invention provides a novel method for the preparation of a unique profile of primary aliphatic alcohols, having 24 to 30 carbon atoms, from the wax secreted by the insect Ericerus pela. Included in the present invention is the composition of matte... | 04/25/2006 |
| 6984666 | Polycosanols from wax The present invention provides a novel method for the preparation of a unique profile of primary aliphatic alcohols, having 24 to 30 carbon atoms, from the wax secreted by the insect Ericerus pela. Included in the present invention is the composition of matte... | 01/10/2006 |
| 6683116 | Polycosanols from Ericerus pela wax The present invention provides a novel method for the preparation of a unique profile of primary aliphatic alcohols, having 24 to 30 carbon atoms, from the wax secreted by the insect Ericerus pela. Included in the present invention is the composition of m... | 01/27/2004 |
| 6133489 | Obtaining glycols of low aldehyde content A process for obtaining glycols of low aldehyde content in which the plant used to obtain the glycol(s) is surface-treated, in whole or in part, with at least one reductive phosphorus compound.... | 10/17/2000 |
| 5962749 | Process for the removal of alkalinity in the manufacture of polyether polyols and the reuse of this alkalinity in the manufacture of polyether polyols This invention relates to a process for the purification of polyether polyols. This process enables the removal of residual alkaline metal catalyst from produced polyether polyol. It comprises a) adding glycerine to a polyether polyol that contains Group ... | 10/05/1999 |
| 5856316 | Mixture of higher primary aliphatic alcohols, its obtention from sugar cane wax and its pharmaceutical uses A mixture of higher primary aliphatic alcohols of 22 to 38 carbon atoms can be obtained by saponifying and extracting steps with organic solvents from sugar cane wax. The mixture which contains tetracosanol, hexacosanol, heptacosanol, octacosanol, nonacos... | 01/05/1999 |
| 5663156 | Mixture of higher primary aliphatic alcohols, its obtention from sugar cane wax and its pharmaceutical uses A mixture of higher primary aliphatic alcohols of 22 to 38 carbon atoms can be obtained by saponifying and extracting steps with organic solvents from sugar cane wax. The mixture which contains tetracosanol, hexacosanol, heptacosanol, octacosanol, nonacos... | 09/02/1997 |
| 5519162 | Method for removing a hydrogen cyanide contaminant from an organic liquid A method for removing hydrogen cyanide from a hydrogen cyanide-contaminated organic liquid includes the steps of contacting the hydrogen cyanide-contaminated organic liquid with a metal alkoxide to generate a metal cyanide salt and an alkanol and then sep... | 05/21/1996 |
| 5440058 | Method for separating compounds in process streams A method, especially applicable on a continuous basis to commercial process streams, for treating unwanted by-products and/or impurities contained in those streams. The method comprises the reaction in situ of such by-products or impurities with a reagent... | 08/08/1995 |
| 4544779 | Extraction of alcohols with phosphine oxides A method for the extraction of lower alcohols from aqueous solutions by contacting said solutions with various phosphine oxides, in the presence or absence of alkali or alkaline earth metal salts, is disclosed.... | 10/01/1985 |
| 4523928 | Gasohol production from thermochemical conversion of biomass to ethanol Disclosed is a method for thermochemically converting a carbohydrate material into ethanol wherein the carbohydrate material and a metal salt are reacted at elevated temperature to form an intermediate carbohydrate complex salt and/or a lactate metal salt... | 06/18/1985 |
| 4523043 | Reagent and method for decomposing organosulfur compounds Organosulfur compounds containing a C-S bond are decomposed by reaction with a reagent made from an alkali metal, a polyglycol or a monoalkyl ether thereof and oxygen, which effects decomposition by cleavage of the C-S bond.... | 06/11/1985 |
| 4517298 | Process for producing fuel grade ethanol by continuous fermentation, solvent extraction and alcohol separation Alcohol substantially free of water is prepared by continuously fermenting a fermentable biomass feedstock in a fermentation unit, thereby forming an aqueous fermentation liquor containing alcohol and microorganisms. Continuously extracting a portion of a... | 05/14/1985 |
| 4508929 | Recovery of alcohol from a fermentation source by separation rather than distillation Ethanol is recovered from fermentation products by a countercurrent extraction process which employs diethyl ether as the extraction solvent to form a diethyl ether-ethanol mixture. The ethanol is salted out by adding calcium chloride to the mixture, and ... | 04/02/1985 |
| 4492637 | Water separation process To reduce the amount of high quality energy utilized in removing water from a dilute ethanol solution, a two-stage process is used. The first stage removes eighty-five percent of the water using a low temperature apparatus and process and the remainder of... | 01/08/1985 |
| 4130484 | Purification process A process for removing at least a substantial portion of at least one contaminant from a fluid containing said at least one contaminant and at least one dehydration sensitive compound without causing substantial dehydration of said dehydration sensitive c... | 12/19/1978 |
| 4096175 | Extraction method Covers a method of separating a nonionic surfactant from an anionic surfactant by use of methylal.... | 06/20/1978 |
| 4082617 | Recovery of chemical components of cellulosic regenerating solution Recovery of the chemical components of a cellulosic organic solvent regenerating solution containing a dialkylacylamide, a lower aliphatic monohydric alcohol, a nitrite of the alcohol and nitric acid. The process comprises distilling the solution to remov... | 04/04/1978 |
