Abstract: Processes for separating supercritical or near-critical mixtures containing hydrogen, a solvent gas, methanol and a fatty alcohol under an initial pressure of from 100 to 300 bar are described, wherein the processes comprise: (a) reducing the pressure of such a mixture in a first stage to a pressure of from 50 to 150 bar to form a first recycle gas and a first partially-separated intermediate mixture, wherein the reduced pressure in the first stage is at least below the initial pressure; (b) reducing the pressure of the first partially-separated intermediate mixture in a second stage to a pressure of from 10 to 50 bar to form a second recycle gas and a second partially-separated intermediate mixture; and (c) reducing the pressure of the second partially-separated intermediate mixture in a third stage to a pressure of from 1 to 10 bar to form a third recycle gas and a fatty alcohol product.
Type:
Grant
Filed:
April 2, 2003
Date of Patent:
August 1, 2006
Assignee:
Cognis Deutschland GmbH & Co. KG
Inventors:
Bernhard Gutsche, Wilhelm Johannisbauer, Harald Roessler, Magnus Topphoff
Abstract: Processes for preparing conjugated fatty acid products are described wherein (a) a composition which comprises a fatty acid ester having at least two unconjugated, carbon-carbon double bonds is provided; (b) the fatty acid ester is conjugated in the presence of a water-free base; (c) phosphoric acid is added to the conjugated fatty acid ester such that phosphate salts are precipitated; and (d) the precipitated phosphate salts are removed.
Type:
Grant
Filed:
August 28, 2002
Date of Patent:
August 1, 2006
Assignee:
Cognis Deutschland GmbH & Co. KG
Inventors:
Lars Zander, Albert Strube, Andreas Heidbreder, Alfred Westfechtel, Wolfgang Giede
Abstract: The use of hydroxyethers obtainable by ring opening of olefinic oxides having 6 to 18 carbon atoms with alcohols having 1 to 18 carbon atoms andlor polyols having 2 to 18 carbon atoms and 2 to 10 hydroxyl groups or water are proposed as oil bodies in cosmetic and/or pharmaceutial preparations is described.
Type:
Grant
Filed:
November 29, 2000
Date of Patent:
August 1, 2006
Assignee:
Cognis Deutschland GmbH & Co. KG
Inventors:
Achim Ansmann, Rolf Kawa, Michael Neuss
Abstract: Processes for preparing conjugated linoleic acid triglycerides are described which comprise: (a) providing a conjugated linoleic acid alkyl ester, wherein the alkyl group is linear or branched and has from 1 to 5 carbon atoms; and (b) subjecting conjugated linoleic acid alkyl ester to transesterification with triacetin to provide a conjugated linoleic acid triglyceride.
Type:
Grant
Filed:
December 16, 2004
Date of Patent:
June 27, 2006
Assignee:
Cognis Deutschland GmbH & Co. KG
Inventors:
Alfred Westfechtel, Stefan Busch, Elke Grundt, Peter Horlacher
Abstract: A pearlizing composition containing: (a) from about 20 to 45% by weight of a pearlizing wax; (b) from about 0.1 to 6% by weight of an anionic surfactant; (c) from about 0.1 to 8% by weight of a polyol ester; (d) optionally, a surfactant selected from the group consisting of a zwitterionic surfactant, an amphoteric surfactant, and mixtures thereof; and (e) water, all weights being based on the weight of the composition, and wherein (a) and (c) are present in the composition in a ratio by weight of from about 12:1 to 7:1, and wherein (c) and (b) are present in the composition in a ratio by weight of from about 2:1 to 0.8:1.
Type:
Grant
Filed:
December 9, 2002
Date of Patent:
June 6, 2006
Assignee:
Cognis Deutschland GmbH & Co. KG
Inventors:
Claus Nieendick, Heike Kublik, Josef Koester, Michael Lieu
Abstract: A process for making surfactant granules involving: (a) providing a surfactant component selected from the group consisting of a surface-active protein, a surface-active protein derivative, and mixtures thereof; (b) providing a disintegrator component; (c) combining the surfactant component and the disintegrator component to form a surfactant mixture; and (d) granulating and compacting the surfactant mixture to form the surfactant granules.
Abstract: A process for making an alkyl and/or alkenyl oligoglycoside preparation having a magnesium salt concentration of less than about 10 ppm involving the steps of: (a) providing an alkyl and/or alkenyl oligoglycoside preparation having an active substance content of from about 10 to 70% by weight, based on the weight of the preparation; (b) providing an acid component; (c) adjusting the pH of the alkyl and/or alkenyl oligoglycoside preparation to from about 4 to 9.5 by combining the acid component with the alkyl and/or alkenyl oligoglycoside preparation to form a pH-modified alkyl and/or alkenyl oligoglycoside preparation; (d) providing a column charged with an ion exchange resin; and (e) purifying the pH-modified alkyl and/or alkenyl oligoglycoside preparation by passing it through the column of step (d) at a viscosity of from about 20 to 6,000 mPas, and at a temperature of from about 20 to 90° C.
Type:
Grant
Filed:
June 12, 2002
Date of Patent:
May 16, 2006
Assignee:
Cognis Deutschland GmbH & Co. KG
Inventors:
Thomas Albers, Karl Heinz Schmid, Rainer Eskuchen, Michael Koehler
Abstract: Deacidified fats and/or oils are made by the process which comprises the steps of: (a) reacting a technical triglyceride having an acid value of up to about 60 and a stoichiometric excess of a lower alcohol having from 1 to 4 carbon atoms and from about 0.5% to about 5% by weight of a lipase to form a pre-esterification product having an acid value of from about 0.5 to about 10, (b) optionally removing water and unreacted alcohol from the pre-esterification product, (c) further reacting the pre-esterification product from step (a) or (b) with additional lower alcohol to form a post-esterification reaction product having an acid value of from about 0.1 to about 0.5.
Abstract: The invention relates to surfactant mixtures of hydroxy mixed ethers and polymers, optionally together with typical ingredients of dishwashing detergents and cleaners and optionally other nonionic surfactants and anionic surfactants and to the use of such surfactant mixtures for the preparation of cleaning solutions with improved performance against resoiling.
Type:
Grant
Filed:
November 4, 2002
Date of Patent:
April 4, 2006
Assignee:
Cognis Deutschland GmbH & Co. KG
Inventors:
Ditmar Kischkel, Manfred Weuthen, Michael Elsner
Abstract: A composition containing an alk(en)yl oligoglycoside betaine esterquat corresponding to formula I: R1O(G)nOCOCR2R3NR4R5R6??(I) wherein R1 is an alk(en)yl group having from about 4 to about 22 carbon atoms, G is a sugar unit containing 5 or 6 carbon atoms and n is a number from 1 to about 10, R2 is H or a CH3 group, R3 is H or a linear and/or branched alk(en)yl group having from 1 to about 6 carbon atoms, R4, R5 and R6, independently of one another, represent a linear and/or branched alk(en)yl group having from 1 to about 24 carbon atoms or a linear and/or branched hydroxyalk(en)yl group having from 1 to about 24 carbon atoms.
Abstract: Cosmetic preparations which contain (a) an ester of a hydroxycarboxylic acid and an alk(en)yl oligoglycoside, and (b) a silicone compound; are described. The esters correspond to the general formula (I): wherein X represents a hydrogen or a —CH2COOR3 substituent, Y represents a hydrogen or a hydroxyl substituent, R1, R2 and R3 each independently represents a substituent selected from the group consisting of hydrogen, alkali metals, alkaline earth metals, ammonium, alkyl ammoniums, hydroxyalkyl ammoniums, glucammonium, and residues of alk(en)yl oligoglycosides; wherein at least one of R1, R2 and R3 represents a residue of an alk(en)yl oligoglycoside, and with the proviso that, where X represents a —CH2COOR3 group, Y is hydrogen.
Type:
Grant
Filed:
April 5, 2000
Date of Patent:
February 21, 2006
Assignee:
Cognis Deutschland GmbH & Co. KG
Inventors:
Bernd Fabry, Josef Koester, Hermann Hensen, Karl Heinz Schmid
Abstract: Processes for preparing substantially citrostadienol-free phytosterols are disclosed. The processes described include dissolving a liquid phytosterol in a hydrocarbon solvent, optionally with added methanol, and crystallizing the phytosterol compounds. Also described are the resulting phytosterols which are substantially citrostadienol-free, and preferably contain less than 0.5% by weight citrostadienol.
Abstract: A detergent tablet composition containing surfactant granules made by a process involving: (a) providing a surfactant component selected from the group consisting of a surface-active protein, a surface-active protein derivative, and mixtures thereof; (b) providing a disintegrator component; (c) combining the surfactant component and the disintegrator component to form a surfactant mixture; and (d) granulating and compacting the surfactant mixture to form the surfactant granules.
Abstract: Aqueous dispersions containing at least: a) a copolymer of compounds corresponding to formula (I): R1—O—CO—CR2?CH2??(I), ?in which R1 is a branched or unbranched alkyl group containing 8 to 22 carbon atoms and R2 is a hydrogen atom or an alkyl group containing 1 to 4 carbon atoms, with monomers selected from compounds corresponding to formula (Ia): R3—O—CO—CR4?CH2??(Ia), ?in which R3 is a branched or unbranched alkyl group containing 1 to 6 carbon atoms and R4 is a hydrogen atom or an alkyl group containing 1 to 4 carbon atoms, and b) a copolymer of compounds corresponding to formula (II): CnF2n—CH2—CH2—O—CO—CR5?CH2??(II), ?in which R5 is a hydrogen atom or an alkyl group containing 1 to 4 carbon atoms and n is a number of 4 to 12, with monomers selected from compounds corresponding to formula (Ia), and c) emulsifiers, with the proviso that the ratio by weight between the copolymers a) and the copolymers b) is 10:1 to 1:10.
Type:
Application
Filed:
September 5, 2003
Publication date:
November 24, 2005
Applicant:
Cognis Deutschland GMBH & Co. KG
Inventors:
Ludwig Schieferstein, Ludwig Bonniger, Joachim Conradi, Manfred Gorzinski, Bernd Wahle, Tunte Clemens
Abstract: A fiber-free molding composition containing: (a) a binder selected from the group consisting of an epoxide, a polyisocyanate, a furane-resin-free phenolic resin, and mixtures thereof; and (b) a filler mixture containing: (i) an inorganic high-temperature-resistant filler; and (ii) a heat-activatable swelling agent.
Type:
Grant
Filed:
February 17, 1999
Date of Patent:
November 22, 2005
Assignee:
Cognis Deutschland GmbH & Co. KG
Inventors:
Robert Graf, Maria-Elisabeth Kaiser, Klaus Lehr, Wolfgang Six
Abstract: The invention relates to a process for the production of sterols from fatty acid distillation residues, characterized in that the partial glycerides are subjected to a first transesterification step under mild conditions and, after working up and the removal of impurities, the sterol esters are subjected to a second transesterification step under more extreme conditions.
Type:
Grant
Filed:
August 7, 2001
Date of Patent:
October 18, 2005
Assignee:
Cognis Deutschland GmbH & Co. KG
Inventors:
Gerhard Wollmann, Joerg Schwarzer, Bernhard Gutsche
Abstract: A detergent composition containing: (a) an anionic surfactant selected from the group consisting of an alkylbenzenesulfonate, an alkyl sulfate, a soap, an alkanesulfonate, an olefinsulfonate, a methyl ester sulfonate, and mixtures thereof; (b) a non-enzymatic protein and/or derivative thereof; (c) a phosphate; (d) a disintegrating agent; an (e) optionally, a co-surfactant selected from the group consisting of a nonionic surfactant, an amphoteric surfactant, and mixtures thereof, and wherein the detergent composition is in a solid form.
Abstract: Processes for producing polyester amides, by reacting a polyisobutylene with a first reagent selected from the group consisting of at least monounsaturated acids having from 3 to 21 carbon atoms and derivatives thereof; and a second reagent selected from the group consisting of monoethanolamine and alkylamines of the general formula R—NH2, wherein R represents an alkyl group having from 1 to 4 carbon atoms; are described. The polyester amides thus produced and their uses in stabilizing asphaltenes in crude oil and crude oil derivatives are also described.
Type:
Grant
Filed:
August 29, 2001
Date of Patent:
September 20, 2005
Assignee:
Cognis Deutschland GmbH & Co. KG
Inventors:
Wolfgang Breuer, Paul Birnbrich, Claus-Peter Herold, Stephan Von Tapavicza, Didier Groffe, Matthias Hof
Abstract: A highly-viscous microemulsion containing: (a) a sugar surfactant; (b) an oil component; and (c) an aluminium-zirconium salt, and wherein the composition is transparent and has a Brookfield viscosity of at least about 100,000 mPas.
Type:
Grant
Filed:
January 31, 2001
Date of Patent:
September 13, 2005
Assignee:
Cognis Deutschland GmbH & Co. KG
Inventors:
Stefan Brüning, Achim Ansmann, Susan Lang, Bernhard Guckenbiehl