Patents by Inventor Renée Jo Keller
Renée Jo Keller 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: 11208519Abstract: Tertiary amine catalysts having isocyanate reactive groups that are capable of forming thermally stable covalent bonds able to withstand temperatures up to 120° C. are disclosed. These catalyst can be used to produce polyurethane foam having the following desirable characteristics: a) very low chemical emissions over a wide range of environmental conditions and isocyanate indexes (e.g., indexes as low as 65 but higher than 60) while meeting all physical property requirements; b) sufficient hydrolytic stability to maintain the catalyst covalently bound to foam without leaching of tertiary amine catalyst when foam is exposed to water or aqueous solutions even at temperatures higher than ambient (temperature range 25° C. to 90° C.Type: GrantFiled: October 15, 2018Date of Patent: December 28, 2021Assignee: Evonik Operations GmbHInventors: Juan Jesus Burdeniuc, Torsten Panitzsch, Kai Xi, Renee Jo Keller
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Patent number: 11104757Abstract: Tertiary amine catalysts having isocyanate reactive groups capable of forming thermally stable covalent bonds able to withstand temperatures from 120° C. and higher and up to 250° C. are disclosed. These catalyst can be used to produce polyurethane foam having the following desirable characteristics: a) very low chemical emissions over a wide range of environmental conditions and isocyanate indexes (e.g., indexes as low as 65 but higher than 60); b) sufficient hydrolytic stability to maintain the catalyst covalently bound to foam without leaching of tertiary amine catalyst when foam is exposed to water or aqueous solutions even at temperatures higher than ambient (temperature range 25° C. to 90° C.Type: GrantFiled: September 11, 2019Date of Patent: August 31, 2021Assignee: Evonik Operations GmbHInventors: Juan Jesus Burdeniuc, Torsten Panitzsch, Renee Jo Keller
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Patent number: 11021561Abstract: A catalyst composition for making polyurethane foam, the catalyst composition including a compound having a general formula R1R2R3N, wherein each of R1, R2 and R3 are independently selected from the group consisting of: a compound according to formula (I): wherein n=1 to 5; and R4, R5 and R6 are each independently hydrogen, methyl, ethyl and propyl groups; hydrogen, a C1-C6 alkyl group compound, a C1-C6 cycloalkyl group compound, a C1-C6 alkenyl group compound, a C1-C6 alkynyl group compound, a C1-C6 aryl group compound, and a C1-C6 aralkyl group compound, each group being substituted or unsubstituted; wherein at least one of R1, R2 and R3 is a compound according to formula (I). A polyurethane composition and method for forming a polyurethane foam are also disclosed.Type: GrantFiled: July 11, 2017Date of Patent: June 1, 2021Assignee: Evonik Operations GmbHInventors: Kai Xi, Juan Jesus Burdeniuc, Irene Joann Hsu, Renee Jo Keller, Timothy Joseph Miller, Jared Denis Bender, Jane Kniss
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Patent number: 10988566Abstract: Additives for making polyurethanes are disclosed. The additives are based on combining specific carboxylic acids or carboxylic di-acids together with a gelling catalysts obtained when mixing an isocyanate-reactive tertiary amine catalysts with dimethyl tin di carboxylate salts and/or dimethyltin mercaptide salts.Type: GrantFiled: September 19, 2018Date of Patent: April 27, 2021Assignee: Evonik Operations GmbHInventors: Juan Jesus Burdeniuc, Stephan Wendel, Christian Brandl, Torsten Panitzsch, Renee Jo Keller
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Patent number: 10815351Abstract: Disclosed are a process of producing a polyurethane foam product, a polyurethane foam product pre-mix, polyurethane foam product formulation, and a polyurethane foam product. The process of producing the polyurethane foam product includes contacting a halohydrin component with a polyurethane foam product pre-mix. The polyurethane foam product pre-mix includes the halohydrin component. The polyurethane foam product formulation includes a polyol component, an isocyanate component, and a halohydrin component. The polyurethane foam product is formed by the pre-mix having the halohydrin component.Type: GrantFiled: December 3, 2018Date of Patent: October 27, 2020Assignee: Evonik Operations GmbHInventors: Juan Jesus Burdeniuc, Boxun Leng, Torsten Panitzsch, Stephan Wendel, Renee Jo Keller
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Publication number: 20200002457Abstract: Tertiary amine catalysts having isocyanate reactive groups capable of forming thermally stable covalent bonds able to withstand temperatures from 120° C. and higher and up to 250° C. are disclosed. These catalyst can be used to produce polyurethane foam having the following desirable characteristics: a) very low chemical emissions over a wide range of environmental conditions and isocyanate indexes (e.g., indexes as low as 65 but higher than 60); b) sufficient hydrolytic stability to maintain the catalyst covalently bound to foam without leaching of tertiary amine catalyst when foam is exposed to water or aqueous solutions even at temperatures higher than ambient (temperature range 25° C. to 90° C.Type: ApplicationFiled: September 11, 2019Publication date: January 2, 2020Inventors: Juan Jesus Burdenuic, Torsten Panitzsch, Renee Jo Keller
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Patent number: 10421832Abstract: Tertiary amine catalysts having isocyanate reactive groups capable of forming thermally stable covalent bonds able to withstand temperatures from 120° C. and higher and up to 250° C. are disclosed. These catalyst can be used to produce polyurethane foam having the following desirable characteristics: a) very low chemical emissions over a wide range of environmental conditions and isocyanate indexes (e.g., indexes as low as 65 but higher than 60); b) sufficient hydrolytic stability to maintain the catalyst covalently bound to foam without leaching of tertiary amine catalyst when foam is exposed to water or aqueous solutions even at temperatures higher than ambient (temperature range 25° C. to 90° C.Type: GrantFiled: September 11, 2015Date of Patent: September 24, 2019Assignee: Evonik Degussa GmbHInventors: Juan Jesus Burdeniuc, Torsten Panitzsch, Renee Jo Keller
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Publication number: 20190100638Abstract: Disclosed are a process of producing a polyurethane foam product, a polyurethane foam product pre-mix, polyurethane foam product formulation, and a polyurethane foam product. The process of producing the polyurethane foam product includes contacting a halohydrin component with a polyurethane foam product pre-mix. The polyurethane foam product pre-mix includes the halohydrin component. The polyurethane foam product formulation includes a polyol component, an isocyanate component, and a halohydrin component. The polyurethane foam product is formed by the pre-mix having the halohydrin component.Type: ApplicationFiled: December 3, 2018Publication date: April 4, 2019Inventors: Juan Jesus Burdeniuc, Boxun Leng, Torsten Panitzsch, Stephan Wendel, Renee Jo Keller
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Publication number: 20190048121Abstract: Tertiary amine catalysts having isocyanate reactive groups that are capable of forming thermally stable covalent bonds able to withstand temperatures up to 120° C. are disclosed. These catalyst can be used to produce polyurethane foam having the following desirable characteristics: a) very low chemical emissions over a wide range of environmental conditions and isocyanate indexes (e.g., indexes as low as 65 but higher than 60) while meeting all physical property requirements; b) sufficient hydrolytic stability to maintain the catalyst covalently bound to foam without leaching of tertiary amine catalyst when foam is exposed to water or aqueous solutions even at temperatures higher than ambient (temperature range 25° C. to 90° C.Type: ApplicationFiled: October 15, 2018Publication date: February 14, 2019Inventors: Juan Jesus Burdeniuc, Torsten Panitzsch, Kai Xi, Renee Jo Keller
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Patent number: 10189963Abstract: Polyurethane foam compositions and processes to make flexible polyurethane foams are disclosed. Polyurethane foam is produced in the presence of additives comprising guanidine derivatives. Improvements in physical properties such as air flow, dimensional stability, tensile, tear, elongation and foam hardness is observed when these additives are present in polyurethane formulations. In addition, these additives can minimize polymer degradation under humid ageing conditions resulting in foam products with better mechanical properties.Type: GrantFiled: September 11, 2015Date of Patent: January 29, 2019Assignee: Evonik Degussa GmbHInventors: Juan Jesus Burdeniuc, James Douglas Tobias, Renee Jo Keller, You-Moon Jeon
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Publication number: 20190016844Abstract: Additives for making polyurethanes are disclosed. The additives are based on combining specific carboxylic acids or carboxylic di-acids together with a gelling catalysts obtained when mixing an isocyanate-reactive tertiary amine catalysts with dimethyl tin di carboxylate salts and/or dimethyltin mercaptide salts.Type: ApplicationFiled: September 19, 2018Publication date: January 17, 2019Inventors: Juan Jesus Burdeniuc, Stephan Wendel, Christian Brandl, Torsten Panitzsch, Renee Jo Keller
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Patent number: 10144811Abstract: Disclosed are a process of producing a polyurethane foam product, a polyurethane foam product pre-mix, polyurethane foam product formulation, and a polyurethane foam product. The process of producing the polyurethane foam product includes contacting a halohydrin component with a polyurethane foam product pre-mix. The polyurethane foam product pre-mix includes the halohydrin component. The polyurethane foam product formulation includes a polyol component, an isocyanate component, and a halohydrin component. The polyurethane foam product is formed by the pre-mix having the halohydrin component.Type: GrantFiled: March 30, 2012Date of Patent: December 4, 2018Assignee: Evonik Degussa GmbHInventors: Juan Jesus Burdeniuc, Boxun Leng, Torsten Panitzsch, Stephan Hermann Wendel, Renee Jo Keller
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Patent number: 10119002Abstract: Polyurethane foam compositions and processes to make flexible polyurethane foams are disclosed. Polyurethane foam is produced in the presence of additives comprising guanidine derivatives. Improvements in physical properties such as air flow, dimensional stability, tensile, tear, elongation and foam hardness is observed when these additives are present in polyurethane formulations. In addition, these additives can minimize polymer degradation under humid ageing conditions resulting in foam products with better mechanical properties.Type: GrantFiled: July 8, 2011Date of Patent: November 6, 2018Assignee: Evonik Degussa GmbHInventors: Juan Jesus Burdeniuc, James Douglas Tobias, Renee Jo Keller, You-Moon Jeon
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Patent number: 10106638Abstract: This disclosure is directed to make low density and low amine emissions water blown polyurethane foams using a reactive catalyst composition. The method is particularly useful in the preparation of full water blown, low density polyurethane foams having a density in the range of about 6 to about 16 kg/m3. A catalyst composition comprising at least one non-emissive amine catalyst and tetraalkyl guanidine, the method of employing the catalyst composition and a formulation comprising the catalyst composition are disclosed.Type: GrantFiled: July 24, 2012Date of Patent: October 23, 2018Assignee: Evonik Degussa GmbHInventors: Juan Jesus Burdeniuc, James Douglas Tobias, Renee Jo Keller
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Patent number: 10100141Abstract: Tertiary amine catalysts having isocyanate reactive groups that are capable of forming thermally stable covalent bonds able to withstand temperatures up to 120° C. are disclosed. These catalyst can be used to produce polyurethane foam having the following desirable characteristics: a) very low chemical emissions over a wide range of environmental conditions and isocyanate indexes (e.g. indexes as low as 65 but higher than 60) while meeting all physical property requirements; b) sufficient hydrolytic stability to maintain the catalyst covalently bound to foam without leaching of tertiary amine catalyst when foam is exposed to water or aqueous solutions even at temperatures higher than ambient (temperature range 25° C. to 90° C.Type: GrantFiled: June 1, 2016Date of Patent: October 16, 2018Assignee: Evonik Degussa GmbHInventors: Juan Jesus Burdeniuc, Torsten Panitzsch, Kai Xi, Renee Jo Keller
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Patent number: 10081700Abstract: Additives for making polyurethanes are disclosed. The additives are based on combining specific carboxylic acids or carboxylic di-acids together with a gelling catalysts obtained when mixing an isocyanate-reactive tertiary amine catalysts with dimethyl tin di carboxylate salts and/or dimethyltin mercaptide salts.Type: GrantFiled: April 8, 2016Date of Patent: September 25, 2018Assignee: Evonik Degussa GmbHInventors: Juan Jesus Burdeniuc, Stephan Hermann Wendel, Christian Brandl, Torsten Panitzsch, Renee Jo Keller
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Patent number: 10059823Abstract: A composition and process useful to make flexible polyurethane foams and in particular flexible molded polyurethane foams is disclosed. The usage of dipolar aprotic liquids such as DMSO, DMI, sulfolane, N-methyl-acetoacetamide, N,N-dimethylacetoacetamide as well as glycols containing hydroxyl numbers OH#?1100 as cell opening aides for 2-cyanoacetamide or other similar molecules containing active methylene or methine groups to make a polyurethane foam is also disclosed. The advantage of using cell opener aids results in a) no foam shrinkage; b) lower use levels of cell opener; c) foam performance reproducibility d) optimum physical properties. In addition, combining the acid blocked amine catalyst together with the cell opener and the cell opener aid results in a less corrosive mixture as well as provides a method that does not require mechanical crushing for cell opening.Type: GrantFiled: September 11, 2015Date of Patent: August 28, 2018Assignee: Evonik Degussa GmbHInventors: Juan Jesus Burdeniuc, James Douglas Tobias, Renee Jo Keller, You-Moon Jeon
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Patent number: 10023678Abstract: A composition and process useful to make flexible polyurethane foams and in particular flexible molded polyurethane foams is disclosed. The usage of dipolar aprotic liquids such as DMSO, DMI, sulfolane, N-methyl-acetoacetamide, N, N-dimethylacetoacetamide as well as glycols containing hydroxyl numbers OH#?1100 as cell opening aides for 2-cyanoacetamide or other similar molecules containing active methylene or methine groups to make a polyurethane foam is also disclosed. The advantage of using cell opener aids results in a) no foam shrinkage; b) lower use levels of cell opener; c) foam performance reproducibility d) optimum physical properties. In addition, combining the acid blocked amine catalyst together with the cell opener and the cell opener aid results in a less corrosive mixture as well as provides a method that does not require mechanical crushing for cell opening.Type: GrantFiled: September 28, 2015Date of Patent: July 17, 2018Assignee: Evonik Degussa GmbHInventors: Juan Jesus Burdeniuc, James Douglas Tobias, Renee Jo Keller
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Patent number: 10023682Abstract: Catalyst compositions useful in the production of low or no amine emission flexible polyurethane foam as well as rigid insulating polyurethane foam produced with systems containing polyether, polyester, Mannich polyols as well as organic-halogen containing flame retardants and blowing agents, are disclosed. The catalysts are characterized by the presence of amine compositions containing unsaturated aliphatic substituent together with secondary hydroxyl groups able to bind to polyurethane polymers and render a low odor and no or low amine emissions finished product.Type: GrantFiled: December 19, 2014Date of Patent: July 17, 2018Assignee: Evonik Degussa GmbHInventors: Juan Jesus Burdeniuc, Michael James Williams, Renee Jo Keller
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Patent number: 10023681Abstract: Catalyst compositions useful in the production of insulating polyurethane or polyisocyanurate foam are disclosed. The catalyst compositions impart increased stability of a mixture of the catalyst, a halogen-containing blowing agent, and a polyol. These catalyst compositions include amine/acid salts with a pH of <7.0 which can be used in combined with tertiary amine catalysts and metal-based or ammonium-based trimerization catalyst and at least one metal-based gel catalyst and optionally one or more of an additional catalyst described in (1) or (2). These improved catalysts can be used with any halogenated blowing agent, and provide substantial stability benefits with the use of hydrofluoroolefins and hydrofluorochloroolefins.Type: GrantFiled: July 26, 2013Date of Patent: July 17, 2018Assignee: Evonik Degussa GmbHInventors: Juan Jesus Burdeniuc, Jean Louise Vincent, Tadao Yasue, Timothy J. Miller, Renee Jo Keller