Patents by Inventor Bernd Wegemund
Bernd Wegemund 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: 5569694Abstract: Stabilizer mixture for polymers based on halogen-containing vinyl monomers are provided. The stabilizers contain:a) calcium soaps of C.sub.8-32 fatty acids,b) zinc soaps of C.sub.8-32 fatty acids, andc) garnets corresponding to formula (I): ##EQU1## in which M.sup.I is at least one alkali metal ionM.sup.II is at least one divalent metal ionM.sup.III is at least one trivalent metal ionM.sup.IV represents titanium and/or zirconium ionsA.sup.n is at least one n-valent acid anion with the charge n=1, 2, 3 or 4 and the following conditions apply:0.ltoreq.x<1, 0.ltoreq.y<1, 0.ltoreq.z<12, 0<m, where y<z and n.multidot.m+z=12, wherein said garnets are optionally surface-modified.Such garnets are characterized by a specific crystal lattice which distinguishes them from other alkaline earth metal aluminates, such as the hydrotalcites.Type: GrantFiled: June 16, 1995Date of Patent: October 29, 1996Assignee: Henkel Kommanditgesellschaft auf AktienInventors: Peter Kuhm, Frido Loeffelholz, Peter Wedel, Bernd Wegemund
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Patent number: 5047259Abstract: Copolymers of long-chain alkyl acrylates corresponding to the following formulaCH.sub.2 .dbd.CR.sup.1 --CO--OR.sup.2 (I)in which R.sup.1 is a hydrogen atom or a methyl group and R.sup.2 is the residue of a C.sub.16-34 fatty alcohol, with N-containing olefins containing acrylate or methacrylate functions can be used as flow control agents for powder coatings.Type: GrantFiled: August 25, 1989Date of Patent: September 10, 1991Assignee: Henkel Kommanditgesellschaft auf AktienInventors: Doris Oberkobusch, Wolfgang Gress, Bernd Wegemund
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Patent number: 4859746Abstract: Air-drying lacquer binder of a ring-opening product of (I) an epoxidized polyoctenylene or cylco-octene-cycloene copolymer having an average molecular weight of from 600 to 3000 and (II) one or more of (a) an unsaturated carboxylic acid containing from 6 to 22 carbon atoms, (b) an alcohol containing from 2 to 6 hydroxy groups (c) a hydroxyalkylamine containing at least one hydroxyalkyl group, the hydroxy groups of the alcohols (b) and the hydroxyalkylamines (c) being esterified with an unsaturated carboxylic acid containing from 6 to 22 carbon atoms to an OH number of less than 25, and wherein the ring opening product has an average molecular weight of from 1500 to 10,000 and an acid number of from 0.1 to 20. The invention also relates to a process for producing this lacquer binder and to its use in high-solids lacquer systems.Type: GrantFiled: October 16, 1987Date of Patent: August 22, 1989Assignee: Henkel Kommanditgesellschaft auf AktienInventors: Herbert Fischer, Bernd Wegemund, Wolfgang Gress, Manfred Gorzinski
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Patent number: 4792582Abstract: A method for emulsifying, emulsion-stabilizing, and/or foam-inhibiting an aqueous polymer dispersion or latex by incorporating therein a polyglycol ether; and a polymer dispersion or latex composition containing such polyglycol ether.Type: GrantFiled: August 11, 1986Date of Patent: December 20, 1988Assignee: Henkel Kommanditgesellschaft auf AktienInventors: Rainer Hoefer, Alfred Meffert, Robert Piorr, Bernd Wegemund, Uwe Held
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Patent number: 4772670Abstract: Use of, and composition containing the reaction products of primary 2-alkyl-1-alkanols containing from 12 to 36 carbon atoms with ethylene oxide and/or propylene oxide as emulsifiers or co-emulsifiers in the emulsion polymerization of ethylenically unsaturated monomers.Type: GrantFiled: August 26, 1986Date of Patent: September 20, 1988Assignee: Henkel Kommanditgesellschaft auf AktienInventors: Rainer Hoefer, Bernd Wegemund, Horst-Juergen Krause
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Patent number: 4749750Abstract: A method for lubricating/releasing polyvinyl chloride, its copolymers, or polymer mixtures thereof, in which there is added a polyester comrising the polycondensation product of a C.sub.12-24 hydroxy carboxylic acid containing a secondary hydroxyl moiety, which may be chain terminated by a C.sub.8-24 monocarboxylic acid or glycerol.Type: GrantFiled: May 26, 1987Date of Patent: June 7, 1988Assignee: Henkel Kommanditgesellschaft auf AktienInventors: Hermann Anzinger, Kurt Worschech, Bernd Wegemund, Uwe Ploog
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Patent number: 4731460Abstract: Acylcyanamides are disclosed having the formula ##STR1## in which the symbol R represents a straight-chain or branched chain alkyl or alkenyl group having from about 5 to about 21 carbon atoms, which group may be substituted by OH--, O--CH.sub.2 --CH.sub.2 --OH-- and/or O--R'-- groups, where the symbol R' represents an alkyl group having from 1 to about 4 carbon atoms and wherein M is a manganese, iron, cobalt, nickel, zinc, cadmium, copper and/or lead.The compounds of the invention are useful as heat stabilizers for chlorine-containing polymers.Type: GrantFiled: June 24, 1986Date of Patent: March 15, 1988Assignee: Henkel Kommanditgesellschaft auf AktienInventors: Christian Hase, Bernd Wegemund, Werner Erwied, Dieter Krampitz
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Patent number: 4686255Abstract: Stabilized polyvinyl chloride molding compositions contain, per 100 parts by weight of polymer, 0.02 to 5 parts by weight compounds of Formula I, ##STR1## in which R represents an alkyl group with 1 to 19 carbon atoms, a cycloalkyl group with 5 or 6 carbon atoms, a phenyl group, an alkylphenyl group with 7 to 11 carbon atoms or an MOOC--CH.sub.2 group, n represents the numbers 0 and 1, and M represents sodium or potassium.Heat stabilizers which are metal soaps, aromatic metal carboxylates, metal phenolates and organotin compounds as well as crystalline sodium aluminosilicate are also incorporated.Type: GrantFiled: May 3, 1985Date of Patent: August 11, 1987Assignee: Henkel Kommanditgesellschaft auf AktienInventors: Werner Erwied, Horst Upadek, Bernd Wegemund
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Patent number: 4668711Abstract: The use is disclosed of at least one acylcyanamides of the formula ##STR1## in which the symbol R represents a straight or branched chain alkyl or alkenyl group having from 5 to 21 carbon atoms, such group being unsubstituted or substituted by a OH, O--CH.sub.2 CH.sub.2 OH, O--R' group or a mixture thereof, in which R' represents an alkyl group containing from 1 to 4 carbon atoms; in which M is a monovalent or divalent metal cation; and in which n represents the valency of the metal cationto stabilize, thermoplastic molding compositions containing a homopolymer or a copolymer of vinylchloride or a mixture thereof. There is also disclosed heat stabilized thermoplastic molding compositions comprising polyvinylchloride, or a polymer of vinylchloride, and at least one acylcyanamide of Formula I.Type: GrantFiled: June 24, 1986Date of Patent: May 26, 1987Assignee: Henkel Kommanditgesellschaft auf AktienInventors: Christian Hase, Bernd Wegemund, Werner Erwied, Dieter Krampitz
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Patent number: 4657999Abstract: The use of alkyl glycosides of C.sub.8 -C.sub.22 alkanols and reducing sugars, in which one sugar chain containing on average from 1 to 10 sugar residues attached to one another by glycoside bonds is present for every alkyl group, as co-emulsifiers or emulsifiers in the emulsion polymerization of ethylenically unsaturated monomers.Type: GrantFiled: November 22, 1985Date of Patent: April 14, 1987Assignee: Henkel Kommanditgesellschaft auf AktienInventors: Rainer Hoefer, Karl-Heinz Schmid, Bernd Wegemund
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Patent number: 4656210Abstract: Stabilized polyvinyl chloride molding compositions contain, per 100 parts by weight polymer, 0.02 to 5 parts by weight of at least one compound of Formula I and/or Formula II ##STR1## in which R represents an alkyl group with 1 to 18 carbon atoms, a cycloalkyl group with 5 or 6 carbon atoms, a phenyl group, an alkylphenyl group with 7 to 11 carbon atoms or an X--CO--CH.sub.2 group, while X represents an NH.sub.2 group or an OM group in which M represents lithium, sodium or potassium.Type: GrantFiled: May 3, 1985Date of Patent: April 7, 1987Assignee: Henkel Kommanditgesellschaft auf AktienInventors: Werner Erwied, Horst Upadek, Bernd Wegemund
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Patent number: 4637887Abstract: Triglycerides containing hydroxy fatty acid residues, of the type obtainable by hydrogenating epoxidized natural fats and oils, are used as lubricants for the molding of polyvinyl chloride or copolymers predominantly containing vinyl chloride, and are a replacement for hardened castor oil.Type: GrantFiled: May 30, 1985Date of Patent: January 20, 1987Assignee: Henkel Kommanditgesellschaft auf AktienInventors: Kurt Worschech, Frido Loeffelholz, Peter Wedl, Bernd Wegemund
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Patent number: 4622382Abstract: An unsaturated polyester, preferably having a stellate molecular structure, with a polyol center and monohydric alcohol connected to the polyol hydroxy moieties through a di- or tri- carboxylic acid link, as well as a process for its synthesis, and use of the compounds in air-drying lacquer binders.Type: GrantFiled: July 9, 1985Date of Patent: November 11, 1986Assignee: Henkel Kommanditgesellschaft auf AktienInventors: Herbert Fischer, Bernd Wegemund, Manfred Gorzinski, Wolfgang Gress
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Patent number: 4590233Abstract: In a stabilized polyvinyl chloride molding mixture containing a stabilizer combination based upon alkali metal, alkaline earth metal, and/or zinc soaps, co-stabilizers, powdered, crystalline, hydrous aluminosilicate, and flow promoters, as well as optionally additional conventional additives, the improvement which comprises, per 100 parts by weight of polyvinyl chloride,(a) from about 0.2 to 5 parts by weight of a synthetic, crystalline, powdered alkali metal aluminosilicate containing from about 13 to 25 percent by weight of water of crystallization; and(b) from about 0.1 to 5 parts by weight of at least one co-stabilizer selected from the group consisting of .beta.-diketones, .alpha.-ketoenol esters, .alpha.-acyllactones, substituted 1,4-dihydropyridine-3,5-dicarboxylic acids, and pyrrole, the pyrrole being unsubstituted or substituted.Type: GrantFiled: December 14, 1984Date of Patent: May 20, 1986Assignee: Henkel Kommanditgesellschaft auf AktienInventors: Werner Erwied, Bernd Wegemund, Peter Wedl, Kurt Worschech
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Patent number: 4555564Abstract: A process for preparing alkyd resin emulsions where a precondensate is further condensed to an acidic precondensate which is esterified to yield a resin which is then emulsified, and the products of this process.Type: GrantFiled: March 27, 1985Date of Patent: November 26, 1985Assignee: Henkel KGaAInventors: Herbert Fischer, Manfred Gorzinski, Wolfgang Gress, Alfred Meffert, Bernd Wegemund
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Patent number: 4549002Abstract: An improved process for the emulsion polymerization of ethylenically unsaturated monomers in an aqueous emulsion, using as the primary emulsifier an ethoxylated C.sub.8-25 aliphatic vicinal diol.Type: GrantFiled: May 30, 1984Date of Patent: October 22, 1985Assignee: Henkel KGaAInventors: Rainer Hoefer, Alfred Meffert, Bernd Wegemund
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Patent number: 4529762Abstract: Compositions and processes for the aqueous emulsion polymerization of ethylenically unsaturated monomers using mixed emulsifiers containing(a) about 99.5 to about 10 parts by weight of an .alpha.-sulfocarboxylic acid alkyl ester containing from 8 to 24 carbon atoms in the carboxylic acid portion and from 1 to 4 carbon atoms in the alcohol portion, and(b) from about 0.5 to about 90 parts by weight of an .alpha.-sulfocarboxylic acid containing from 8 to 24 carbon atoms, and if desired,other anionic and/or non-anionic emulsifiers and/or protective colloids; the mixed emulsifier optionally being completely or partly present in salt form.Type: GrantFiled: October 18, 1984Date of Patent: July 16, 1985Assignee: Henkel Kommanditgesellschaft auf AktienInventors: Rainer Hoefer, Karl Schmid, Bernd Wegemund, Bernhard Bartnick
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Patent number: 4517334Abstract: Alkyd resin mixtures for use in stoving water lacquers which contain polyols having an average molecular weight of from 200 to 2000 g/mole, an average --OH functionality of >2, and terminal groups of the formula, --CHR--OH in which R=--H, --CH.sub.3, or both --H and --CH.sub.3.Type: GrantFiled: December 15, 1983Date of Patent: May 14, 1985Assignee: Henkel Kommanditgesellschaft auf AktienInventors: Hans-Christoph Wilk, Bernd Wegemund, Manfred Gorzinski
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Patent number: 4497933Abstract: Process for the production of alkyd resins having a final acid number of not more than 40 and a high --OH number for use in water lacquers. The resins of the invention can be made up with the aid of aminoalcohols containing more than two hydroxyl groups into optically clear water lacquers which are distinguished both by their lack of environmental problems and also by their advantageous lacquer properties.Type: GrantFiled: December 15, 1983Date of Patent: February 5, 1985Assignee: Henkel Kommanditgesellschaft auf AktienInventors: Manfred Gorzinski, Hans-Christoph Wilk, Herbert Fischer, Bernd Wegemund
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Patent number: 4474941Abstract: Alkyd resins containing functional epoxides as long-chain modifying agents. The functional epoxides used are selected from the following:(a) epoxidized unsaturated fatty alcohols containing from 16 to 22 C-atoms,(b) esters of epoxidized fatty acids and monofunctional alcohols containing from 1 to 18 C-atoms,(c) epoxidized triglycerides,(d) reaction products of epoxidized triglycerides containing in the molecule epoxide groups and secondary hydroxyl groups formed by ring opening.The alkyd resins according to the invention are distinguished by particularly good weathering properties.Type: GrantFiled: December 15, 1983Date of Patent: October 2, 1984Assignee: Henkel Kommanditgesellschaft auf AktienInventors: Hans-Christoph Wilk, Alfred Meffert, Bernd Wegemund