Patents by Inventor Thomas Rathke
Thomas Rathke 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).
-
Patent number: 10501817Abstract: Processes for the production of reduced calorie sweetening compositions having a natural sweetener such as a steviol glycosides (e.g., rebaudioside A) and sucrose as the major components is described, as well as the product of such processes having unique physical and sensory characteristics. In particular, a co-crystallization process of manufacturing a reduced calorie sweetening composition that comprises both sucrose and at least one natural sweetener as a co-crystallized product is disclosed, as well as the free-flowing powder product resultant therefrom.Type: GrantFiled: March 16, 2011Date of Patent: December 10, 2019Assignee: IMPERIAL SUGAR COMPANYInventors: James P. Hammond, Roxanne Resch, Thomas Rathke, Darrell Gerdes
-
Patent number: 10323116Abstract: Polyurethane foams are described, as well as the production of such polyurethane foams by the reaction between a natural polyol, such as sucrose or a blend of mono- or disaccharides in place of the standard hydrocarbon-based polyol component, an ionic liquid or a deep eutectic solvent, a polyisocyanate and water in the presence of a suitable polyurethane forming catalyst and optionally a flame retardant, and optionally one or more components such as surfactants and/or emulsifiers. The resultant polyurethane foam can exhibit a bio-based solid content ranging from about 17% to 30%, may be formulated in a variety of foam densities for a variety of applications, and in the instance where a flame retardant has been added in an appropriate amount, exhibits a high degree of fire and burn resistance, as exhibited by the flame spread index and/or the smoke spread values.Type: GrantFiled: March 17, 2014Date of Patent: June 18, 2019Assignee: Imperial Sugar CompanyInventors: Douglas Svenson, Jose Luna, Thomas Rathke
-
Patent number: 9725555Abstract: Polyurethane foams which are highly flame resistant are described, as well as the production of such polyurethane foams by the reaction between a natural polyol, such as sucrose or a blend of mono- or disaccharides in place of the standard hydrocarbon-based polyol component, a polyisocyanate and water in the presence of a suitable polyurethane forming catalyst and a flame retardant, and optionally one or more components such as surfactants and/or emulsifiers. The resultant polyurethane foam has a bio-based solid content ranging from about 17% to 30%, may be formulated in a variety of foam densities for a variety of applications, and exhibits a high degree of fire and burn resistance, as exhibited by the flame spread index and the smoke spread values.Type: GrantFiled: July 30, 2012Date of Patent: August 8, 2017Assignee: Innovative Urethane, LLCInventors: Joseph Mooney, Thomas Rathke, Charles Valentine, Douglas Svenson
-
Patent number: 9676896Abstract: Polyurethane foams which are highly flame resistant are described, as well as the production of such polyurethane foams by the reaction between a natural polyol, such as sucrose or a blend of mono- or disaccharides in place of the standard hydrocarbon-based polyol component, a polyisocyanate and water in the presence of a suitable polyurethane forming catalyst and a non-halogenated flame retardant, and optionally one or more components such as surfactants and/or emulsifiers. The resultant polyurethane foam has a bio-based solid content ranging from about 17% to 30%, may be formulated in a variety of foam densities for a variety of applications, and exhibits a high degree of fire and burn resistance, as exhibited by the flame spread index, flash over resistance determination, and the smoke spread values.Type: GrantFiled: February 28, 2014Date of Patent: June 13, 2017Assignee: INNOVATIVE URETHANE, LLCInventors: Joseph Mooney, Thomas Rathke, Jose Luna, Douglas Svenson
-
Publication number: 20140275305Abstract: Polyurethane foams are described, as well as the production of such polyurethane foams by the reaction between a natural polyol, such as sucrose or a blend of mono- or disaccharides in place of the standard hydrocarbon-based polyol component, an ionic liquid or a deep eutectic solvent, a polyisocyanate and water in the presence of a suitable polyurethane forming catalyst and optionally a flame retardant, and optionally one or more components such as surfactants and/or emulsifiers. The resultant polyurethane foam can exhibit a bio-based solid content ranging from about 17% to 30%, may be formulated in a variety of foam densities for a variety of applications, and in the instance where a flame retardant has been added in an appropriate amount, exhibits a high degree of fire and burn resistance, as exhibited by the flame spread index and/or the smoke spread values.Type: ApplicationFiled: March 17, 2014Publication date: September 18, 2014Applicant: Imperial Sugar CompanyInventors: Douglas Svenson, Jose Luna, Thomas Rathke
-
Publication number: 20140179814Abstract: Polyurethane foams which are highly flame resistant are described, as well as the production of such polyurethane foams by the reaction between a natural polyol, such as sucrose or a blend of mono- or disaccharides in place of the standard hydrocarbon-based polyol component, a polyisocyanate and water in the presence of a suitable polyurethane forming catalyst and a non-halogenated flame retardant, and optionally one or more components such as surfactants and/or emulsifiers. The resultant polyurethane foam has a bio-based solid content ranging from about 17% to 30%, may be formulated in a variety of foam densities for a variety of applications, and exhibits a high degree of fire and burn resistance, as exhibited by the flame spread index, flash over resistance determination, and the smoke spread values.Type: ApplicationFiled: February 28, 2014Publication date: June 26, 2014Applicant: Imperial Sugar Co.Inventors: Joseph Mooney, Thomas Rathke, Jose Luna, Douglas Svenson
-
Publication number: 20130030067Abstract: Polyurethane foams which are highly flame resistant are described, as well as the production of such polyurethane foams by the reaction between a natural polyol, such as sucrose or a blend of mono- or disaccharides in place of the standard hydrocarbon-based polyol component, a polyisocyanate and water in the presence of a suitable polyurethane forming catalyst and a flame retardant, and optionally one or more components such as surfactants and/or emulsifiers. The resultant polyurethane foam has a bio-based solid content ranging from about 17% to 30%, may be formulated in a variety of foam densities for a variety of applications, and exhibits a high degree of fire and burn resistance, as exhibited by the flame spread index and the smoke spread values.Type: ApplicationFiled: July 30, 2012Publication date: January 31, 2013Applicant: IMPERIAL SUGAR CO.Inventors: Joseph Mooney, Charles Valentine, Thomas Rathke, Douglas Svenson
-
Publication number: 20120189739Abstract: A base-syrup composition is described, wherein the base syrup is made up of one or more non-nutritive sweeteners, an invert sugar, and other optional additives are included in a reduced-calorie beverage or food product to achieve a taste substantially similar to that of a full-calorie beverage or food product. The combination is suitable for use in reduced-calorie carbonated and non-carbonated beverages, wherein the products and the base fluids exhibit a Harzen color number (APHA) of ?60. Preferably, the one or more non-nutritive sweeteners include one or more steviosides, a Stevia glycoside, a derivative of a Stevia glycoside, a glycoside of steviol, and/or a Lo Han Guo extract, including one or more mogrosides.Type: ApplicationFiled: December 20, 2011Publication date: July 26, 2012Applicant: IMPERIAL SUGAR COMPANYInventors: Thomas Rathke, Darrell Gerdes, James P. Hammond
-
Patent number: 7557245Abstract: The present invention relates to processes for purifying a composition containing (meth)acrylic acid, at least one impurity and water, wherein the composition has a water content in the range of 0.55 to 90, based on the composition, to form a purified phase containing (meth)acrylic acid and at least one impurity, wherein, in the purified phase, the quantity of at least one impurity is less than 7% by weight, based on (meth)acrylic acid in the purified phase.Type: GrantFiled: March 17, 2003Date of Patent: July 7, 2009Assignee: Evonik Stockhausen GmbHInventors: Stefan Nordhoff, Torsten Balduf, Gunther Bub, Roland Fornika, Jurgen Mosler, Thomas Rathke, Axel Kobus, Dennis Thong
-
Publication number: 20090149562Abstract: A process for the preparation of (meth)acrylic acid is disclosed that includes: (a) contacting a product gas containing (meth)acrylic acid obtained from a gas phase oxidation with an aqueous phase in a quenching unit to obtain an aqueous quenched phase, (b) distilling the quenched phase in a distillation unit to obtain a bottom product and a top product, and (c) crystallizing at least the bottom product in a crystallization unit to obtain pure (meth)acrylic acid. An organic separating agent can be added after the quenching unit, such as at the latest in the crystallization unit. Also disclosed are a device for the preparation of (meth)acrylic acid, a process for the preparation of a polymer from the (meth)acrylic acid, a device for the preparation of the polymer, a polymer obtainable by this process, and the use of the (meth)acrylic acid or the polymer in a chemical product, such as fibers or shaped articles.Type: ApplicationFiled: September 13, 2005Publication date: June 11, 2009Inventors: Stefan Nordhoff, Thomas Rathke, Torsten Balduf, Axel Kobus, Dennis Thong Yu-Chiang, Jorg Leistner
-
Publication number: 20080119668Abstract: A process for the preparation of (meth)acrylic acid is disclosed that includes: (a) contacting a product gas containing (meth)acrylic acid obtained from a gas phase oxidation with an aqueous phase in a quenching unit to obtain an aqueous quenched phase, (b) contacting the quenched phase with an organic separating agent in an extraction unit to give a first phase and at least one other phase, (c) crystallizing at least one of the first phase and the at least one other phase, such as by a suspension crystallization, in a crystallization unit to obtain a pure (meth)acrylic acid. Also disclosed are a device for the preparation of (meth)acrylic acid, a process for the preparation of a polymer from the (meth)acrylic acid, a device for the preparation of the polymer, a polymer obtainable by this process, and the use of the (meth)acrylic acid or the polymer in a chemical product, such as fibers or shaped articles.Type: ApplicationFiled: September 13, 2005Publication date: May 22, 2008Inventors: Stefan Nordhoff, Axel Kobus, Torsten Balduf, Thomas Rathke, Dennis Thong Yu-Chiang, Jorg Leistner
-
Publication number: 20070280866Abstract: The present invention relates to a process for cleaving a (meth)acrylic acid oligomer of structure I wherein R1 is a hydrogen atom or a C1 to C10 alkyl groups, R2 is a hydrogen atom or a methyl group, and n is a whole number within the range between 1 and 200, optionally in the presence of a cleaving agent of the structure R3—OH or of the structure (R4)2—N—H, whereby R3 is a hydrogen atom, a C1 to C12 alkyl group, or a —CxH2x—OH— group, whereby x is a whole number within a range from 1 to 12, and R4 is a hydrogen atom or a C1 to C12 alkyl group, with the proviso that not both R4 groups are hydrogen atoms, whereby the (meth)acrylic acid oligomers are heated with the cleaving agent to a temperature of at least 50° C. at a pressure of at least 1 bar.Type: ApplicationFiled: February 18, 2005Publication date: December 6, 2007Inventors: Torsten Balduf, Jurgen Mosler, Thomas Rathke, Dennis Thong Yu-Chiang, Axel Kobus, Rudolf Burghardt, Michael Fricke, Stefan Nordhoff
-
Publication number: 20050222459Abstract: The present invention relates to processes for purifying a composition containing (meth)acrylic acid, at least one impurity and water, wherein the composition has a water content in the range of 0.55 to 90, based on the composition, to form a purified phase containing (meth)acrylic acid and at least one impurity, wherein, in the purified phase, the quantity of at least one impurity is less than 7% by weight, based on (meth)acrylic acid in the purified phase.Type: ApplicationFiled: March 17, 2003Publication date: October 6, 2005Inventors: Stefan Nordhoff, Torsten Balduf, Gunther Bub, Roland Fornika, Jurgen Mosler, Thomas Rathke, Axel Kobus, Dennis Thong
-
Patent number: D697789Type: GrantFiled: April 25, 2012Date of Patent: January 21, 2014Assignee: Imperial Sugar CompanyInventors: Darrell Gerdes, Thomas Rathke