| Patents for C11B 13 - Recovery of fats, fatty oils, or fatty acids from waste materials (1,250) |
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| 09/11/2002 | EP1238048A1 Method for purifying marine mammal oil enriched in omega 3 fatty acids and compositions comprising same |
| 08/28/2002 | CN1366025A Process for extracting phytic acid from rice husk (bran) |
| 08/21/2002 | CN1089366C Process for obtaining oryzanol |
| 07/18/2002 | WO2001053320A9 Crystalline composites comprising phytosterols and phytostanols or derivatives thereof |
| 06/26/2002 | CN1355282A Process for recovering nutral oil from residual oil |
| 06/25/2002 | US6410762 Process for the isolation of oryzanols from rice bran oil soap stock |
| 06/12/2002 | CN1353178A Process and equipment for extracting oil from decolouring argil of edible oil |
| 06/04/2002 | US6399802 Method for soapstock acidulation |
| 05/16/2002 | WO2001068893A3 Soapstock hydrolysis and acidulation by acidogenic bacteria |
| 05/14/2002 | CA2361349A1 Process for the extraction of lipids from fatty bird tissues |
| 05/14/2002 | CA2325377A1 Process for the extraction of lipids from bird's skin and fat tissues |
| 04/11/2002 | WO2001098444A3 Process for the extraction and concentration of unsaponifiables from the residues and by-products of animal and vegetal products |
| 04/02/2002 | US6365214 Apparatus comprising oil-permeable outer layer housing oil absorbent core comprising decomposed organic matter or inorganic matter and having handle connected to outer layer, which is partially immersible in oil for absorption by core |
| 03/28/2002 | US20020036171 Regeneration treatment using a reducing water generated at a cathode side in electrolysis, as a link in recycling of a waste edible oil. |
| 03/27/2002 | EP1190025A1 Extraction and isolation method |
| 02/19/2002 | US6348566 Method for preparing tall oil |
| 02/14/2002 | DE10132315A1 Reclamation of waste cooking oil comprises treatment with alkaline reducing water produced by electrolysis |
| 02/05/2002 | US6344573 Saponification, extraction and unsaponification |
| 01/24/2002 | US20020009785 Soapstock hydrolysis and acidulation by acidogenic bacteria |
| 01/23/2002 | EP1173464A2 Process of purifying phytosterols from wood or plant-derived sources by means of metal salt complexes and compositions resulting therefrom |
| 12/27/2001 | WO2001098444A2 Process for the extraction and concentration of unsaponifiables from the residues and by-products of animal and vegetal products |
| 12/27/2001 | CA2408660A1 Process for the extraction and concentration of unsaponifiables from the residues and by-products of animal and vegetal products |
| 12/06/2001 | US20010049452 Quantitative recovery of fatty acids from soapstock with the addition of monohydric alcohols and stoichiometric addition of acid |
| 11/29/2001 | US20010047101 Removal of phospholipids from a crude oil; stripping the fatty acids to remove; alkali neutralization; separation and removal of the obtained oil phase; efficiency |
| 11/28/2001 | CN1324394A Method for extracting lipid from marine and aquatic animal tissues |
| 11/13/2001 | US6316032 Dipping barley spent grains in a polar organic solvent; separating dipping solution into an extract liquid and a residue; concentrating said extract liquid; and recovering the concentrate of barley malt oil |
| 11/08/2001 | CA2407811A1 Production of high grade and high concentration of free fatty acids from residual oils, fats and greases |
| 10/31/2001 | CN1319650A Process for recovering finished product vegetable oil from oil foot |
| 10/31/2001 | CN1074043C Process for preparing fatty acid by hydrolyzing of plant oil soapstock without catalyst |
| 10/24/2001 | EP1148310A1 Method with centrifuging step using a centrifugal drier for the treatment of composite products comprising solid and liquid components |
| 10/04/2001 | WO2001072934A1 Method for soapstock acidulation |
| 10/02/2001 | US6297353 Recovering neutral particles from solution; neutralize preferential pitch, dehydrate neutralized solution current, feed dehydrated current to chromatagraphy column, distill current, recover distillate current, recover residue current |
| 09/27/2001 | WO2001053320A3 Crystalline composites comprising phytosterols and phytostanols or derivatives thereof |
| 09/20/2001 | WO2001068893A2 Soapstock hydrolysis and acidulation by acidogenic bacteria |
| 09/04/2001 | US6284904 Purification of organic acids using anion exchange chromatography |
| 08/16/2001 | EP1123368A1 Method of extracting lipids from marine and aquatic animal tissues |
| 08/16/2001 | EP0912665B1 Process for obtaining oryzanol |
| 08/08/2001 | CN1307093A Method for extracting raw corn oil from distillers' grains |
| 07/26/2001 | WO2001053320A2 Crystalline composites comprising phytosterols and phytostanols or derivatives thereof |
| 07/26/2001 | CA2398970A1 Crystalline composites comprising phytosterols and phytostanols or derivatives thereof |
| 07/12/2001 | WO2000064921A3 Process of purifying phytosterols from wood or plant-derived sources by means of metal salt complexes and compositions resulting therefrom |
| 06/28/2001 | WO2001046354A1 Method for extracting and fractionating fats with solvent, using at least a hydrofluroether |
| 06/28/2001 | CA2395559A1 Extraction and fractionation method of fatty material by a solvent using at least a hydrofluoroether |
| 06/07/2001 | WO2001040418A1 Method for purifying marine mammal oil enriched in omega 3 fatty acids and compositions comprising same |
| 06/07/2001 | CA2682110A1 Method of extracting protein from a marine mammal tissue |
| 06/02/2001 | CA2290885A1 Method for processing harbour seal tissues |
| 05/02/2001 | EP1095122A2 Recovery of used frying oils |
| 04/18/2001 | CN1292023A Purification of organic acid using anion exchange chromatography |
| 04/17/2001 | CA2051660C Method of frying oil treatment using an alumina and amorphous silica composition |
| 03/07/2001 | CN1286296A Process for preparing powdered oil with chicken taste |
| 03/07/2001 | CN1062898C Process for extracting edible oil from foots |
| 02/22/2001 | WO1999064545A3 Recovery of used frying oils |
| 02/13/2001 | US6187355 Recovery of used frying oils |
| 01/24/2001 | CN1281494A Method for preparing tall oil |
| 01/09/2001 | US6172183 Process and apparatus for the cleaning of crude tall oil soap |
| 12/20/2000 | EP1059975A2 Purification of organic acids using anion exchange chromatography |
| 12/13/2000 | CN1276413A Process for preparing fatty acid by hydrolyzing of plant oil soapstock without catalyst |
| 12/06/2000 | EP1056767A1 Method for the preparation of phytosterols from tall oil pitch |
| 11/29/2000 | CN1058971C Prodn. technology for extracting fine sasanquasaponin by super filtration film method |
| 11/02/2000 | WO2000065004A1 Extraction and isolation method |
| 11/02/2000 | WO2000064923A1 Process for the isolation of phytosterols from neutral substances using hydrocarbon and alcohol based solvent systems |
| 11/02/2000 | WO2000064922A1 Alkanol, methyl ethyl ketone water solvent system for the separation of sterols |
| 11/02/2000 | WO2000064921A2 Process of purifying phytosterols from wood or plant-derived sources by means of metal salt complexes and compositions resulting therefrom |
| 11/02/2000 | CA2372154A1 Process of purifying phytosterols from wood or plant-derived sources and compositions resulting therefrom |
| 10/12/2000 | WO2000059921A1 Preparation of saturated phytosterols |
| 10/06/2000 | CA2267929A1 Preparation of saturated phytosterols |
| 09/27/2000 | EP1037958A1 Method for preparing tall oil |
| 09/06/2000 | CN1056175C Method of improving water separation in treatment of tall oil |
| 06/20/2000 | CA2148232C Method for acidification of soap with sodium bisulphite solution |
| 06/15/2000 | WO2000034305A1 Isolation and purification of sterols from neutrals fraction of tall oil pitch by dual decantation crystallization |
| 05/18/2000 | WO2000027867A1 Isolation and purification of sterols from neutrals fraction of tall oil pitch by single decantation crystallization |
| 05/16/2000 | US6063822 Method for dewatering and purifying oil or fat |
| 05/02/2000 | US6057462 Isolation and purification of sterols from neutrals fraction of tall oil pitch by single decantation crystallization |
| 04/27/2000 | WO2000023546A1 Method of extracting lipids from marine and aquatic animal tissues |
| 04/21/2000 | CA2251265A1 Process for lipid extraction of aquatic animal tissues producing a dehydrated residue |
| 04/05/2000 | EP0990662A1 Method of purifying tall oil sterol |
| 03/14/2000 | US6037492 Selective extractions and fractionation of resulting mixtures with the use of solvents of differing polarities; obtain purities in excess of 80% |
| 03/09/2000 | WO2000012533A1 Isolation and purification of sterols from neutrals fraction of tall oil pitch by direct crystallization, dual phase |
| 02/24/2000 | WO2000009535A1 Isolation and purification of sterols from neutrals fraction of tall oil pitch by direct crystallization, single phase |
| 01/27/2000 | WO2000004039A1 Isolation and purification of sterols from neutrals fraction of tall oil pitch by single decantation precipitation |
| 01/27/2000 | WO2000004038A1 Isolation and purification of sterols from neutrals fraction of tall oil pitch by direct precipitation |
| 01/05/2000 | EP0969079A1 Barley malt oil containing vegetable ceramide-associated substances and process for producing the same |
| 12/16/1999 | WO1999064545A2 Recovery of used frying oils |
| 12/16/1999 | WO1999044707A3 Purification of organic acids using anion exchange chromatography |
| 11/02/1999 | US5976357 Mixing a polyether collection polymer which is insoluble in oil and liquid at room temperature and which has a density which is higher than the oil and separating polymer and oil by gravity such that the oil forms a top phase |
| 10/27/1999 | EP0952208A2 High efficiency method for obtaining an unsaponifiable fraction from black-liquor soaps or crude tall oil |
| 10/26/1999 | US5972057 Heating to dry/deodorize vegetable oil, mixing with alcohol solution containing alkaline esterification catalyst, transesterification, separation and purification of light and heavy product solutions |
| 10/13/1999 | EP0948589A1 Process and apparatus for the cleaning of crude tall oil soap |
| 09/21/1999 | US5955084 Solvent extraction; reducing and photooxidation of artemisinic acid; chromatography, evaporation, purification |
| 09/10/1999 | WO1999045086A1 Treating agent for oil |
| 09/10/1999 | WO1999044707A2 Purification of organic acids using anion exchange chromatography |
| 09/10/1999 | CA2321759A1 Purification of organic acids using anion exchange chromatography |
| 09/01/1999 | EP0939116A2 Process and apparatus for the continuous treatment of vegetable and ester waste oils |
| 08/26/1999 | WO1999042471A1 Method for the preparation of phytosterols from tall oil pitch |
| 08/20/1999 | CA2230373A1 Method for the preparation of phytosterols from tall oil pitch |
| 08/19/1999 | WO1999041272A1 Method of purifying tall oil sterol |
| 08/19/1999 | CA2286627A1 Method of purifying tall oil sterol |
| 07/28/1999 | CN1224443A Process for obtaining oryzanol |
| 07/08/1999 | WO1999033939A1 Barley malt oil containing vegetable ceramide-associated substances and process for producing the same |
| 06/30/1999 | EP0926230A1 Rendering apparatus and method |