Patents by Inventor Alfred Meffert
Alfred Meffert has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 5525120Abstract: The invention is a process for degreasing animal skins in which the animal skin to be degreased is contacted with a mixture of a predominantly saturated C.sub.12 -C.sub.18 fatty alcohol ethoxylate having an average of not more than 15 EO groups and a predominantly saturated C.sub.6-10 fatty alcohol ethoxylate having an average of not more than 3 EO groups.Type: GrantFiled: September 12, 1994Date of Patent: June 11, 1996Assignee: Henkel Kommanditgesellschaft auf AktienInventors: Rudolf Zauns-Huber, Alfred Meffert, Klaus Herrmann, Wolfgang Prinz, Fredi Wolter
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Patent number: 5470493Abstract: A fabric softening composition containing a thiodiglycol derivative corresponding to formula IR.sup.1 --O--(C.sub.2 H.sub.4 O).sub.x --(C.sub.2 H.sub.4 --SO.sub.z --C.sub.2 H.sub.4 --O).sub.w --(C.sub.2 H.sub.4 --O).sub.y --R.sup.2 (I)wherein R.sup.1 and R.sup.2 are the same or different and represent linear or branched alkyl or alkenyl groups containing 6 to 30 carbon atoms or hydrogen, x+y=0 to 20, w is 1 to 5, and z is 1 or 2.Type: GrantFiled: October 18, 1994Date of Patent: November 28, 1995Assignee: Henkel Kommanditgesellschaft auf AktienInventors: Peter Daute, Ingo Wegener, Alfred Meffert, Faize Berger
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Patent number: 5276204Abstract: Fatty alcohol mixtures R.sub.mix --OH of natural and, in particular, purely vegetable origin and ethoxylates thereof showing improved low-temperature behavior and corresponding to the general formula R.sub.mix --O--(CH.sub.2 CH.sub.2 O).sub.x --H, in which x is a number of 2 to 10 and R.sub.mix represents selected mixtures of saturated and olefinically unsaturated fatty alcohol hydrocarbon radicals in the C 6-20 or C 12-20 ranges correspond to specification I for the chain length range R.sub.mix --=6-20 and to specification II for the chain length range R.sub.mix --=C 12-20:______________________________________ Specification I II structurally analogous to % by weight ______________________________________ C 6 caproic acid 0.1-0.6 -- C 8 caprylic acid 2.5-10 -- C 10 capric acid 2.5-14 -- C 12 lauric acid 37-52 39-69 C 14 myristic acid 10-20 10-27 C 16 palmitic acid 6-10 6-14 C 18 stearic acid 1-5 1-7 C 18' oleic acid 5-23 6-31 C 18" linoleic acid 1-4 1-6 C 18"' linolenic acid 0.1-1 0.1-2 C 20 arachic acid 0.Type: GrantFiled: October 23, 1992Date of Patent: January 4, 1994Assignee: Henkel Kommanditgesellschaft auf AktienInventors: Karl-Heinz Schmid, Hans Peter Kubersky, Guenter Demmering, Alfred Meffert
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Patent number: 5200115Abstract: The aqueous paste contains an alkyl glucoside as non-ionic surfactant and an .alpha.-sulfofatty acid disalt as anionic surfactant; a thickener, for example carboxymethy cellulose, may also be present for adjusting viscosity. The paste-form detergent is produced by mixing concentrated aqueous pastes of the surfactants and, optionally, the thickener, the pH optionally being adjusted to a substantially neutral value by addition of a regulator. The paste-form detergents are suitable both for the washing of laundry and for the washing of hard surfaces, for example dishes.Type: GrantFiled: February 15, 1991Date of Patent: April 6, 1993Assignee: Henkel Kommanditgesellschaft auf AktienInventors: Brigitte Giesen, Alfred Meffert, Andreas Syldatk, Ingo Wegener
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Patent number: 5164124Abstract: Alkaline earth salts of vicinally hydroxy, alkoxy-substituted C.sub.16 -C.sub.22 fatty acids corresponding to the following general formula ##STR1## in which R represents linear or branched alkyl or alkenyl groups or hydroxyalkyl groups optionally alkylated with a C.sub.16 -C.sub.22 fatty acid, process for their preparation, and their use as catalysts. These salts give a narrow homolog distribution of the polyalkoxylation products in the catalysis of the polyalkoxylation of compounds containing active hydrogen atoms.Type: GrantFiled: February 24, 1988Date of Patent: November 17, 1992Assignee: Henkel Kommanditgesellschaft auf AktienInventors: Fritz Lange, Bert Gruber, Alfred Meffert, Ansgar Behler
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Patent number: 5069817Abstract: A process for the production of alkyl polyoxyethylenes showing improved low-temperature behavior, by reaction of alcohols with ethylene oxide at elevated temperature in the presence of basic alkali metal compounds as catalysts and subsequent neutralization of the alkaline catalyst with acids, which under prior art practice was impractical because of clogging of reaction vessels and equipment associated with precipitation of salts during neutralization, is made practical by adding a finely divided solid to serve as a precipitation control agent during neutralization. The finely divided solids used are, in particular, organic and/or inorganic materials known in the prior art as filter aids, such as kieselguhr and sawdust or other finely divided cellulose.Type: GrantFiled: January 25, 1989Date of Patent: December 3, 1991Assignee: Henkel Kommanditgesellschaft auf AktienInventors: Karl Schmid, Alfred Meffert, Klaus Friedrich, Michael Langen, Klaus Herrmann
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Patent number: 5057247Abstract: Synthetic polyol esters with lubricating oil properties based on substantially neutral esterification products of a polyhydric alcohol with selected monocarboxylic acids and, optionally, polybasic carboxylic acids, wherein the polyfunctional alcohol component is dipentaerythritol which is esterified withI--branched C.sub.8 -C.sub.16 fatty acids (class A acids) or withII--mixtures of linear C.sub.8 -C.sub.14 fatty acids (class B acids) with branched fatty acids of class Aand, optionally, limited quantities of polybasic carboxylic acids of the following classes C, D and/or E incorporated in the polyester molecular by condensation:class C acids: di- and/or tricarboxylic acids in the range from C.sub.6 to C.sub.54class D acids: difunctional fatty acids which have been obtained by addition of acrylic acid onto the double bonds of oleic acid, linoleic acid and/or linolenic acidclass E acids: aromatic and/or paraffinic, cyclic polycarboxylic acids containing from 2 to 6 acid functions.Type: GrantFiled: December 21, 1987Date of Patent: October 15, 1991Assignee: Henkel Kommanditgesellschaft auf AktienInventors: Karl-Heinz Schmid, Uwe Ploog, Alfred Meffert
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Patent number: 4973431Abstract: A process for the isolation and purification of essentially fatty acid mixtures, which in addition to the methyl branched fatty acids contain saturated and unsaturated, respectively straight chain as well as methyl branched, unsaturated fatty acids, in which the industrial fatty acid mixtures are first hydrogenated by catalysis and then the methyl branched saturated fatty acids are separated, and in which before the hydrogenation if necessary, a separation by the hydrophilization process is provided, this process produces the desired products with a high yield and purity.Type: GrantFiled: March 6, 1989Date of Patent: November 27, 1990Assignee: Henkel Kommanditgesellschaft auf AktienInventors: Alfred Struve, Horst Baumann, Karl H. Schmid, Alfred Meffert
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Patent number: 4967017Abstract: A process for the production of alcohol polyglycol ethers by reaction of an alcohol with ethylene oxide and/or propylene oxide wherein a basic alkali metal compound catalyst is employed in at least 0.5% by weight, expressed as sodium methylate, and based on the total weight of the reactants. The reaction mixture is neutralized in the presence of a filter aid.Type: GrantFiled: March 31, 1989Date of Patent: October 30, 1990Assignee: Henkel Kommanditgesellschaft auf AktienInventors: Karl Schmid, Alfred Meffert, Klaus Friedrich, Michael Langen, Klaus Herrmann
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Patent number: 4965019Abstract: Foam-depressing additives comprising polyethyleneglycol ethers of formula IR.sup.1 --O--(CH.sub.2 CH.sub.2 O).sub.n --R.sup.2 (I)in which R.sup.1 represents a straight-chain or branched alkyl radical with 6 to 13 carbon atoms, R.sup.2 represents an alkyl radical with 1 to 3 carbon atoms and n is a number from 2 to 6, for low-foam, preferably sprayable cleaning agents.Type: GrantFiled: January 10, 1989Date of Patent: October 23, 1990Assignee: Henkel Kommanditgesellschaft auf AktienInventors: Karl-Heinz Schmid, Alfred Meffert, Gilbert Schenker, Adolf Asbeck, Juergen Geke
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Patent number: 4963158Abstract: Soiled textile articles are washed by the addition of a determined amount of a detergent concentrate containing surfactants to the textile articles to be cleaned while the textiles are dry or only damp. The aqueous washing liquor is formed by the gradual addition of water to the textile articles while they are rotated. At room temperature, the detergent concentrate is to a substantial extent a paste-to dough-like substance, stable in form, and is applied to the textile articles in such an amount that the major portion of the surfactants together with further detergent constituents, if desired, are applied to the textiles or on an article of textile provided with markings for the correct detergent dose, as a dosing aid.Type: GrantFiled: February 8, 1989Date of Patent: October 16, 1990Assignee: Henkel Kommanditgesellschaft auf AktienInventors: Hans-Josef Beaujean, Horst Eisenblaetter, Johann F. Fues, Brigitte Giesen, Erich Holz, Ulrich Jahnke, Werner Kuenzel, Alfred Meffert, Karl Schwadtke, Eduard Smulders, Eric Sung, Andreas Syldatk, Hans-Georg Toelken, Ingo Wegener
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Patent number: 4957641Abstract: The invention relates to the use of alkoxyhydroxy fatty acids and the salts thereof having the general formula (I) ##STR1## wherein R.sup.1 represents a straight chain alkyl radical or a straight chain alkenyl radical having from 6 to 8 carbon atoms,R.sup.2 represents a straight chain or branched chain alkyl radical having from 1 to 18 carbon atoms, or a straight chain or branched chain alkenyl radical having from 2 to 18 carbon atoms,M represents hydrogen or an organic ammonium radical having one or more alkyl radicals or hydroxy alkyl radical attached to the nitrogen atom, andm represents an integer having a value of from 3 to 13,in an amount of from 0.01 to 10% by weight, based on the weight of oil, as corrosion inhibitors in oils and oil-containing emulsions.Type: GrantFiled: October 15, 1986Date of Patent: September 18, 1990Assignee: Henkel Kommanditgesellschaft auf AktienInventors: Gerhard Borggrefe, Alfred Meffert, Bert Gruber, Karl-Heinz Schmid
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Patent number: 4954283Abstract: The invention is cleaning compositions containing Polyethylene-glycol ethers of the formulaR.sub.1 --(CH.sub.2 CH.sub.2 O).sub.n --R.sub.2 (1)in whichR.sub.1 is a straight-chain or branched alkyl- or alkenyl radical having from 20 to 28 carbon atomsR.sub.2 is an alkyl radical having from 4 to 8 carbon atoms and n is an integer from about 6 to about 20as a foam-suppressing additive. The cleaning compositions are stable over a broad temperature range and having low foaming characteristics particularly at about ambient temperatures.Type: GrantFiled: January 11, 1989Date of Patent: September 4, 1990Assignee: Henkel Kommanditgesellschaft auf AktienInventors: Karl H. Schmid, Alfred Meffert, Gilbert Schenker, Adolf Asbeck, Rolf Scharf
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Patent number: 4942049Abstract: Terminally blocked polyethoxylated fatty alcohols of the formula:R--O--(CH.sub.2 CH.sub.2 O).sub.n --R.sup.1 (I)wherein R is a linear or branched alkyl or alkenyl group having from 6 to 28 carbon atoms, R.sub.1 is a linear alkyl group having from 1 to 8 carbon atoms, and n is an integer having a value of from 2 to 12 are used as anti-foaming additives in the manufacture and/or processing of food stuffs as well as in fermentation processes.Type: GrantFiled: January 11, 1989Date of Patent: July 17, 1990Assignee: Henkel Kommanditgesellschaft auf AktienInventors: Karl H. Schmid, Alfred Meffert, Gilbert Schenker, Adolf Asbeck
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Patent number: 4937011Abstract: Alkaline dishwashing machine detergent compositions containing an active chlorine composition and a foam inhibiting amount of a ketone containing at least 25 carbon atoms. A process for their preparation wherein the ketone is introduced into the composition as a dispersion in a liquid.Type: GrantFiled: January 11, 1989Date of Patent: June 26, 1990Assignee: Henkel Kommanditgesellschaft auf AktienInventors: Karl-Heinz Schmid, Adolf Asbeck, Christoph Breucker, Bernhard Gutsche, Alfred Meffert, Horst Rutzen
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Patent number: 4888437Abstract: Alkyl hydroxyalkyl orthophosphoric acid esters, particularly mixtures thereof, corresponding to the following formula ##STR1## in which R.sup.1 and R.sup.2 represent C.sub.6 -C.sub.22 alkyl groups and R.sup.3 is hydrogen, a group R.sup.1 or a group --CH.sub.2 --CH(OH)--R.sup.2. The esters are prepared by reaction of phosphorus pentoxide with fatty alcohol and reaction of the phosphoric acid partial esters formed with long-chain .alpha.-epoxides. After conversion of the compounds corresponding to formula I, in which R.sup.3 is hydrogen, into the salt form, the new alkyl hydroxyalkyl orthophosphoric acid ester mixtures are particularly suitable as emulsifiers for oil-water emulsion.Type: GrantFiled: July 2, 1987Date of Patent: December 19, 1989Assignee: Henkel Kommanditgesellschaft auf AktienInventors: Ulrich Zeidler, Alfred Meffert
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Patent number: 4886893Abstract: Process for the production of modified triglycerides which contain epoxide groups, secondary hydroxyl groups and ether groups. The invention particularly relates to the production of reaction products of epoxidized triglycerides, for example epoxidized soy oil, with polyfunctional alcohols, for example glycols. The products so prepared are valuable starting materials, particularly for the production of alkyd resins.Type: GrantFiled: April 9, 1987Date of Patent: December 12, 1989Assignee: Henkel Kommanditgesellschaft auf AktienInventors: Alfred Meffert, Hermann Kluth
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Patent number: 4863523Abstract: A process for cleaning a soiled solid molded article in an aqueous detergent wash bath in the presence of ultrasound whereby pigmented and/or fatty soils are loosened from the soiled article. The wash bath is contacted with a soil-collecting polyfunctional quaternary ammonium compound which is at least substantially insoluble and/or is fixed to a solid which is substantially insoluble in the wash bath to collect from the wash bath at least a portion of the soils loosened from the article.Type: GrantFiled: April 3, 1987Date of Patent: September 5, 1989Assignee: Henkel Kommanditgesellschaft auf AktienInventors: Alfred Meffert, Andreas Syldatk, Johann F. Fues
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Patent number: 4861508Abstract: Improved mouldability and surface smoothness is provided for moulded detergent compositions, for example bar soaps, containing from 30 to 70% by weight of a sodium C.sub.12 -C.sub.18 alkyl sulfate, from 5 to 25% by weight of a C.sub.12 -C.sub.18 fatty alcohol, from 5 to 25% by weight palmitic and/or stearic acid, optionally partially saponified, and from 1 to 30% by weight of an .alpha.-sulfofatty acid salt corresponding to the following formula ##STR1## wherein R.sup.1 is a linear C.sub.9 -C.sub.21 alkyl group, A is an alkali metal, ammonium or alkanolammonium cation, and B is hydrogen or has one of the meanings of A.Type: GrantFiled: March 4, 1988Date of Patent: August 29, 1989Assignee: Henkel Kommanditgesellschaft auf AktienInventors: Ingo Wegener, Brigitte Giesen, Alfred Meffert, Claus Werner, Udo Hennen, Marlene Hormes
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Patent number: 4832868Abstract: A highly effective surfactant mixture which is liquid at room temperature comprising:(1) from 50 to 84.degree. C. by weight ether alcohol corresponding to the general formulaR.sub.1 --O--[PO].sub.0-3 [EO].sub.6-8 H,(2) from 10 to 40% by weight ether alcohol corresponding to the formulaR.sub.2 --O--[PO].sub.0-3 [EO].sub.3-6 H,(3) from 0 to 10% by weight ethoxylation products of polyols which may be obtained by reaction of C.sub.12 -C.sub.18 1,2-epoxides with ethylene glycol, glycerol, trimethylol propane or neopentyl glycol,(4) from 0.1 to 10% by weith of an amino alcohol selected from(A)R.sub.3 --[EO].sub.0-4 N(CH.sub.2 CH.sub.2 OH).sub.2,orR.sub.3 --[EO].sub.0-4 NH--CH.sub.2 CHOH(B) the reaction product of C.sub.12 -C.sub.Type: GrantFiled: March 3, 1987Date of Patent: May 23, 1989Assignee: Henkel Kommanditgesellschaft auf AktienInventors: Karl H. Schmid, Alfred Meffert, Fritz Lange