Patents by Inventor Thorsten Roloff
Thorsten Roloff 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: 11952489Abstract: A film is shown and described which contains 10 to 50 wt. % of a component A and 50 to 90 wt. % of a component B, based on the sum of the components A and B, component A being selected from the group consisting of polymers that are obtainable from ring-opening polymerization and have a glass transition temperature (Tg) lower than ?30° C. and component B being selected from the group consisting of thermoplastic aliphatic copolyesters and mixtures thereof, and the film having a total thickness of 1 to 200 ?m.Type: GrantFiled: March 26, 2018Date of Patent: April 9, 2024Assignee: BIO-TECH BIOLOGISCHE NATURVERPACKUNGEN GMBH & CO. KGInventors: Harald Schmidt, Johannes Mathar, Thorsten Roloff, Wolfgang Friedek
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Publication number: 20210130606Abstract: A film is shown and described which comprises 10-90 wt. % of a component A and 10-90 wt. % of a component B, based on the sum of the components A and B, A being a polyhydroxyalkanoate and B being an aliphatic copolyester composed of at least one diol component and at least one dicarboxylic acid component, and the film having a total thickness of 1 to 200 ?m.Type: ApplicationFiled: March 26, 2018Publication date: May 6, 2021Inventors: Wolfgang Friedek, Johannes Mathar, Thorsten Roloff, Harald Schmidt
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Publication number: 20200056037Abstract: A film is shown and described which contains 10 to 50 wt. % of a component A and 50 to 90 wt. % of a component B, based on the sum of the components A and B, component A being selected from the group consisting of polymers that are obtainable from ring-opening polymerization and have a glass transition temperature (Tg) lower than ?30° C. and component B being selected from the group consisting of thermoplastic aliphatic copolyesters and mixtures thereof, and the film having a total thickness of 1 to 200 ?m.Type: ApplicationFiled: March 26, 2018Publication date: February 20, 2020Inventors: Harald Schmidt, Johannes Mathar, Thorsten Roloff, Wolfgang Friedek
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Patent number: 8153750Abstract: Ring opening products of epoxides with fatty acid methyl esters with alkanols or water are eminently suitable as viscosity adjusters (reducers) for high-viscosity polyols.Type: GrantFiled: June 22, 2005Date of Patent: April 10, 2012Assignee: Cognis IP Management GmbHInventors: Thorsten Roloff, Rainer Hoefer
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Publication number: 20080262132Abstract: A nonionic surfactant for emulsion polymerization is provided, and includes products from the addition of 3 to 20 mols of ethylene and/or propylene oxide onto 1 mol of one or more diterpene alcohols selected from the group consisting of abietyl alcohol, dihydroabietyl alcohol, tetrahydroabietyl alcohol and dehydroabietyl alcohol, wherein the surfactant is included as an emulsifier in a polymer emulsion. A method for stabilizing an emulsion polymer or polymer dispersion is also provided, including the steps of adding an emulsifier, to an emulsion polylmer or polymer dispersion comprising monomers, in an amount of from about 0.5 to about 10% by weight, based on the total quantity of monomers present, the emulsifier including products from the addition of 3 to 20 mols of ethylene and/or propylene oxide onto 1 mol of one or more diterpene alcohols selected from the group consisting of abietyl alcohol, dihydroabietyl alcohol, tetrahydroabietyl alcohol and dehydroabietyl alcohol.Type: ApplicationFiled: March 14, 2008Publication date: October 23, 2008Inventors: Thorsten Roloff, Katharina Hoemberg, Thomas Schliwka, Thomas Mausberg, Wolfgang H. Breuer, Doug Rhubright, Mike Wiggins
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Publication number: 20080171833Abstract: Ring opening products of epoxides with fatty acid methyl esters with alkanols or water are eminently suitable as viscosity adjusters for high-viscosity polyols.Type: ApplicationFiled: June 22, 2005Publication date: July 17, 2008Inventors: Thorsten Roloff, Rainer Hoefer
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Patent number: 7300963Abstract: Hardeners for water-based epoxy resin systems, the hardeners being obtainable by reacting a mixture of: (A) at least one epoxidized polyalkylene oxide selected from the group of epoxidized polyethylene oxides, epoxidized polypropylene oxides and polyethylene propylene oxides, (B) at least one epoxidized aromatic hydroxy compound selected from the group of bisphenol A epoxides and bisphenol F epoxides and (C) at least one aromatic hydroxy compound selected from the group of bisphenol A and bisphenol F, to form an intermediate product and subsequently reacting this intermediate product with a polyamine (E), are disclosed.Type: GrantFiled: September 13, 2004Date of Patent: November 27, 2007Assignee: Cognis Deutschland GmbH & Co. KGInventors: Paul Birnbrich, Thorsten Roloff, Giorgio Sabbadini, Hans-Josef Thomas
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Publication number: 20070073009Abstract: The invention relates to hardeners for water-based epoxy resin systems providing a longer resin pot life, incorporating particular carbonyl compounds (F) and being obtainable by (i) reacting a mixture of (A) at least one epoxidized polyalkylene oxide (A), (B) at least one epoxidized aromatic hydroxy compound (B); (C) at least one aromatic hydroxy compound (C); and (D) optionally, at least one di- or tri-glycidyl ether compound (D), to form a first intermediate product (Z1) having an epoxy value of less than 10%; (ii) reacting the intermediate product (Z1) with a polyamine (E) to form a second intermediate product (Z2); and (iii) reacting the intermediate product (Z2) with a carbonyl compound (F) having the general formula (I): wherein R1 and R2 independently represent hydrogen, a C1-22 alkyl group or a C6H5, OH, OR3 group, where R3 is a C1-22 alkyl group; among others. The resin mixtures provide clear floor coatings.Type: ApplicationFiled: June 13, 2006Publication date: March 29, 2007Inventors: Giorgio Sabbadini, Thorsten Roloff, Paul Birnbrich, Hans-Josef Thomas
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Publication number: 20070066789Abstract: The invention relates to hardeners for water-based epoxy resin systems providing a longer resin pot life, incorporating particular carbonyl compounds (F) and being obtainable by (i) reacting a mixture of (A) at least one epoxidized polyalkylene oxide (A), (B) at least one epoxidized aromatic hydroxy compound (B); (C) at least one aromatic hydroxy compound (C); and (D) optionally, at least one di- or tri-glycidyl ether compound (D), to form a first intermediate product (Z1) having an epoxy value of less than 10%; (ii) reacting the intermediate product (Z1) with a polyamine (E) to form a second intermediate product (Z2); and (iii) reacting the intermediate product (Z2) with an ?,?-unsaturated carbonyl compound or nitrile (F) having the general formula (I). The resin mixtures have pot lives in excess of one hour and, after curing, provide clear floor coatings with less than 3% shrinkage.Type: ApplicationFiled: June 13, 2006Publication date: March 22, 2007Inventors: Giorgio Sabbadini, Thorsten Roloff, Paul Birnbrich, Hans-Josef Thomas
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Publication number: 20070003767Abstract: The invention relates to hardeners for water-based epoxy resin systems providing a longer resin pot life, incorporating particular compounds (F) and being obtainable by (i) reacting a mixture of (A) at least one epoxidized polyalkylene oxide (A), (B) at least one epoxidized aromatic hydroxy compound (B); (C) at least one aromatic hydroxy compound (C); and (D) optionally, at least one di- or tri-glycidyl ether compound (D), to form a first intermediate product (Z1) having an epoxy value of less than 10%; (ii) reacting the intermediate product (Z1) with a polyamine (E) to form a second intermediate product (Z2); and (iii) reacting the intermediate product (Z2) with a compound (F) selected from Lewis acids. The resin mixtures have pot lives in excess of one hour and, after curing, provide clear floor coatings with less than 3% shrinkage.Type: ApplicationFiled: June 13, 2006Publication date: January 4, 2007Inventors: Giorgio Sabbadini, Thorsten Roloff, Paul Birnbrich, Hans-Josef Thomas
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Publication number: 20070003766Abstract: The invention relates to hardeners for water-based epoxy resin systems providing a longer resin pot life, incorporating particular compounds (F) and being obtainable by (i) reacting a mixture of (A) at least one epoxidized polyalkylene oxide (A), (B) at least one epoxidized aromatic hydroxy compound (B); (C) at least one aromatic hydroxy compound (C); and (D) optionally, at least one di- or tri-glycidyl ether compound (D), to form a first intermediate product (Z1) having an epoxy value of less than 10%; (ii) reacting the intermediate product (Z1) with a polyamine (E) to form a second intermediate product (Z2); and (iii) reacting the intermediate product (Z2) with a compound (F) selected from (a) monofunctional epoxy compounds, and (b) glycidyl ethers of aliphatic and aromatic hydrocarbons. The resin mixtures have pot lives in excess of one hour and, after curing, provide clear floor coatings with less than 3% shrinkage.Type: ApplicationFiled: June 13, 2006Publication date: January 4, 2007Inventors: Giorgio Sabbadini, Thorsten Roloff, Paul Birnbrich, Hans-Josef Thomas
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Publication number: 20050113553Abstract: Hardeners for water-based epoxy resin systems, the hardeners being obtainable by reacting a mixture of: (A) at least one epoxidized polyalkylene oxide selected from the group of epoxidized polyethylene oxides, epoxidized polypropylene oxides and polyethylene propylene oxides, (B) at least one epoxidized aromatic hydroxy compound selected from the group of bisphenol A epoxides and bisphenol F epoxides and (C) at least one aromatic hydroxy compound selected from the group of bisphenol A and bisphenol F, to form an intermediate product and subsequently reacting this intermediate product with a polyamine (E), are disclosed.Type: ApplicationFiled: September 13, 2004Publication date: May 26, 2005Inventors: Paul Birnbrich, Thorsten Roloff, Giorgio Sabbadini, Hans-Josef Thomas
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Publication number: 20040170833Abstract: Methods of coating glass with coating compositions comprising an epoxy resin reaction product of epichlorohydrin and a component selected from the group consisting of bisphenol A and bisphenol F in an amount of from 1 to 98% by weight, a water-dilutable epoxy resin hardener in an amount of from 1 to 98% by weight and water in an amount of from 1 to 98% by weight, are described along with methods of reinforcing synthetic fibers and composite materials including such coated glass.Type: ApplicationFiled: December 3, 2003Publication date: September 2, 2004Inventors: Rainer Hoefer, Ulrich Nagorny, Thorsten Roloff
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Publication number: 20040170834Abstract: Methods of coating glass with coating compositions comprising a water-dispersible epoxy resin which is solid at 20° C., in an amount of from 1 to 98% by weight, with the proviso that the epoxy resin does not comprise a reaction product of epichlorohydrin and a component selected from the group consisting of bisphenol A and bisphenol F; a water-dilutable epoxy resin hardener in an amount of from 1 to 98% by weight; and water in an amount of from 1 to 98% by weight, are described along with methods of reinforcing synthetic fibers and composite materials including such coated glass.Type: ApplicationFiled: December 4, 2003Publication date: September 2, 2004Inventors: Ulrich Nagorny, Rainer Hoefer, Thorsten Roloff
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Publication number: 20040087684Abstract: Coating compositions comprising: (a) an epoxy resin in an amount of from 5 to 50% by weight, the epoxy resin comprising a reaction product of epichlorohydrin and a component selected from the group consisting of bisphenol A and bisphenol F; (b) a water-dilutable epoxy resin hardener in an amount of from 5 to 55% by weight; (c) fibers in an amount of from 0.1 to 10% by weight; and (d) a filler in an amount of from 5 to 70% by weight; are described, along with their use as levelling, insulating and other functional coatings.Type: ApplicationFiled: April 4, 2003Publication date: May 6, 2004Inventors: Rainer Hoefer, Thorsten Roloff, Horst Sulzbach
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Publication number: 20040013810Abstract: Coating compositions comprising: (a) a water-dispersible epoxy resin which is solid at 20° C., in an amount of from 5 to 50% by weight, with the proviso that the epoxy resin does not comprise a reaction product of epichlorohydrin and a component selected from the group consisting of bisphenol A and bisphenol F; (b) a water-dilutable epoxy resin hardener in an amount of from 5 to 55% by weight; (c) fibers in an amount of from 0.1 to 10% by weight; and (d) a filler in an amount of from 5 to 70% by weight; are described, along with their use as levelling, insulating and other functional coatings.Type: ApplicationFiled: April 4, 2003Publication date: January 22, 2004Inventors: Rainer Hoefer, Thorsten Roloff, Hoest Sulzbach