Patents
Sitemap › C11 - Animal or vegetable oils, fats, fatty substances or waxes; Fatty acids therefrom; Detergents; Candles › C11B - Producing, e.g. by pressing raw materials or by extraction from waste materials, refining or preserving fats, fatty substances, e.g. lanolin, fatty oils or waxes; Essential oils; Perfumes › C11B 13 - Recovery of fats, fatty oils, or fatty acids from waste materials
Patents for C11B 13 - Recovery of fats, fatty oils, or fatty acids from waste materials (1,250)
10/1993
10/20/1993CN1077485A Prepn. method for synthetic feeding oil
10/14/1993DE4208554C1 Plant for sepn. of easily meltable residual material contained in plastic vessels - involves also crushing of plastic vessels and residues from grave candles contg. residues of wax paraffin and stearin
10/07/1993DE4210413A1 Membrane filter for sepn. of poly-dispersions into continuous and dispersed phases - is a bonded powder mass on a carrier support grid providing high mechanical strength etc., useful for sepg. fluids contg. particle or oil matter
09/1993
09/06/1993WO1993018113A1 Method and device for purifying a non-electrically conductive liquid
09/06/1993CA2108900A1 Process and device for purifying a nonconductive liquid
09/05/1993WO1993017567A1 Extension of edible oil lifetime using activated carbons
09/05/1993CA2102312A1 Extension of edible oil lifetime using activated carbons
08/1993
08/25/1993EP0556660A1 Utilisation of fatty alpha-hydroxy acids and the compositions containing them
08/18/1993EP0555776A1 Process for separating and purifying fatty acids and alpha-hydroxy fatty acids
06/1993
06/02/1993EP0544158A1 Use of homo- or co-polymers based on quaternised 1-vinyl imidazoles as organic polyelectrolyte
05/1993
05/11/1993US5210242 Process for soap splitting using a high temperature treatment
04/1993
04/06/1993US5200085 Circulation; heating; pressurization; granulation; adiabatic expansion; separation; treatment of slaughterhouse waste
03/1993
03/09/1993CA1314257C Method for hydrotreating used oils
03/03/1993EP0529555A1 Process for regenerating spent bleaching earth
02/1993
02/03/1993EP0525504A1 Improving the color of tall oil fractions by treating soap skimmings
01/1993
01/27/1993CN1068360A Process of abstracting tea oil and saponin from tea-oil seed (and tea seed) dregs
12/1992
12/09/1992CN2124236U Apparatus for re-extracting oil dregs to obtain oil
10/1992
10/21/1992CN1065482A Method for extraction neutral oil from cotton oil and chinese honey locust
10/20/1992US5156879 Treatment with strong, soluble base, then propionic acid
09/1992
09/16/1992CN1064416A Device for separating oil from oil-dregs
08/1992
08/19/1992EP0486616A4 Cooking oil filter
07/1992
07/21/1992US5132399 Color of tall oil fractions by treating soap skimmings
07/01/1992CN2108722U Oil residue separator
07/01/1992CN1062370A Method for recovering waste animal oil in production of thin plate
05/1992
05/27/1992EP0486616A1 Cooking oil filter.
03/1992
03/25/1992CN1015993B Process for continuously producing croude fatty acids
03/18/1992CN1015906B Process for extracting soybean phosphatide and apparatus thereof
03/17/1992US5097012 Solvent extraction of fatty acid stream with liquid water and elevated temperatures and pressures
02/1992
02/05/1992EP0468991A1 Method of separating oil-in-water emulsions
02/05/1992EP0468044A4 Method of frying oil treatment using an alumina and amorphous silica composition
01/1992
01/29/1992EP0468044A1 Method of frying oil treatment using an alumina and amorphous silica composition.
11/1991
11/19/1991US5066501 Fluidization of soapstock
11/14/1991DE4009806C1 Removing fat and oil in commercial kitchen - by reacting with lipollastic bacteria and pptn. with cation
11/06/1991EP0454755A1 Method for extracting oil from fish offal
10/1991
10/23/1991CN1055556A Technology of producing sodium phytate and zinc phytate
09/1991
09/25/1991CN1054788A One-step process for extracting fatty oil and tea-saponin from waste mateer of cake
09/19/1991DE4009650A1 Continuous treatment for sepn. of water, oil and oil sludge - in mass flow systems in petroleum industries provides simple, through separation
09/03/1991US5045179 Production of secondary raffinates for lubricants, treatment of hazardous waste
08/1991
08/22/1991WO1991011914A1 Method of frying oil treatment using an alumina and amorphous silica composition
08/21/1991EP0441938A1 Process and installation for extracting fat and/or protein-containing material from fat-containing liquid material, in particular from slaughter deposits and waste.
08/21/1991CN1013585B Process for recoverying eucalyptus oil
08/01/1991DE4002161A1 Extracting oils and fats - from exhausted adsorbent with supercritical carbon di:oxide
06/1991
06/12/1991CN1052137A Technology for extracting oil from salted-out p-leftover in plant oil refinery
05/1991
05/15/1991CN2076757U Livestock and fowls high-temp. treating machine
03/1991
03/27/1991CN1050217A Method and equipments for extracting matter containing fat and proteins from fluid stock
03/21/1991WO1991003305A1 Process and installation for extracting fat and/or protein-containing material from fat-containing liquid material, in particular from slaughter deposits and waste
02/1991
02/19/1991WO1991002579A1 Cooking oil filter
01/1991
01/29/1991US4988440 Cooking oil filter
01/09/1991EP0406945A2 Process for soap splitting using a high temperature treatment
01/04/1991CA2020307A1 Process for soap splitting using a high temperature treatment
12/1990
12/19/1990CN1047792A Process for extracting soybean phosphatide and apparatus thereof
11/1990
11/28/1990EP0174938B1 Fertilizer process
11/22/1990EP0398022A1 Method for the separation of oil in water emulsions
10/1990
10/21/1990WO1990012633A1 Method of separating oil-in-water emulsions
10/21/1990CA2053227A1 Process for the separation of oil-in-water emulsions
10/09/1990US4961936 Process for preparation of oil-free fish meal and recovery of polyunsaturated fatty acids
09/1990
09/25/1990US4959144 Cooking oil filtration device having locking means and peripheral channel means
08/1990
08/23/1990DE3904698A1 Method for processing animal raw materials
08/08/1990EP0381355A2 Method and apparatus for filtering cooking oil
07/1990
07/26/1990WO1990008179A1 Method for extracting oil from fish offal
06/1990
06/12/1990US4933087 Acidifying wasterwater, mixing in activated sludge and lime, coagulating and flocculating
05/1990
05/09/1990EP0367473A2 Fluidization of soapstock
01/1990
01/31/1990CN1039261A Method for extracting fatty oil and phosphatide from dregs of repeseed oil
01/16/1990CA1264477A1 Plant growth promotor from rice bran fatty acid distillation residue and a process for the isolation thereof and the preparation of a composition containing the same
12/1989
12/20/1989EP0195022B1 Cooking oil filtering apparatus and filter therefor
10/1989
10/11/1989CN1036224A Extraction of residual tung oil from tung seed cake
06/1989
06/27/1989CA1256449A1 Fertilizer process
01/1989
01/18/1989EP0299149A2 Process for working up used lubricants by hydrogenation
01/17/1989US4798677 Filterator for separator
07/1988
07/20/1988CN87100081A Edible corn oil extraction method from alcohol fermented beer
06/1988
06/22/1988CN86108040A Recovery technique for eucalyptus
05/1988
05/17/1988US4744904 Food processing, defatting
05/17/1988US4744903 Waste water treatment
11/1987
11/11/1987CN87100646A Prepn. of erucic acid
07/1987
07/14/1987CA1224173A1 Process relating to triglyceride oils
06/1987
06/09/1987US4671902 Process for obtaining fatty acid product from glyceride oil soapstock
05/1987
05/13/1987CN85108182A Process for continuously producing croude fatty acids
08/1986
08/12/1986US4605430 Plant growth promoter from rice bran and processes for making and using
08/06/1986CN85100116A Centrifugal extraction technique for recovering wool degrass from wool washing water
08/05/1986US4604203 Cooking oil filtering apparatus and filter therefor
07/1986
07/23/1986EP0187883A1 Acidulation and recovery of crude tall oil from tall oil soaps
06/1986
06/10/1986US4593614 Apparatus for the production of fodder and fat from animal raw materials
04/1986
04/22/1986US4584141 Process relating to triglyceride oils
03/1986
03/27/1986WO1986001702A1 Cooking oil filtering apparatus and filter therefor
03/26/1986EP0174938A1 Fertilizer process.
03/25/1986CA1202302A1 Separation of neutrals from tall oil soaps
01/1986
01/21/1986US4565709 Drying, evaporation
11/1985
11/26/1985US4555345 Method of treatment for separation of oil from oil-containing slurry waste
11/06/1985EP0160326A1 Process for obtaining fatty acid product from glyceride oil soapstock
08/1985
08/20/1985US4536332 Isomerizing trans-dimethoxystilbene to cis configuration, distilling out
08/01/1985WO1985003285A1 Fertilizer process
05/1985
05/15/1985EP0141271A2 Tall oil fatty acids - quality improvement
03/1985
03/26/1985CA1184414A1 Process for the production of fodder and fat from animal raw materials
02/1985
02/12/1985US4499196 Adsorbing deacidifier for oily substances
01/1985
01/22/1985US4495095 Supercritical crbon dioxide
01/22/1985CA1181416A1 Reclamation process for sewage scum
11/1984
11/20/1984US4483791 Neutralization with magnesium and alkali metal soap builders
10/1984
10/24/1984EP0122727A1 Process relating to triglyceride oils
10/24/1984EP0122322A1 Separation of neutrals from tall oil soaps
10/16/1984CA1176098A1 Fryer oil treatment composition and method
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