Patents by Inventor James Douglas Tobias
James Douglas Tobias 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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Publication number: 20220144996Abstract: A catalyst composition comprising at least one compound with a general formula I: wherein A is N—R3, R3 is C1-C8 linear or branched, x=0-6, n and m are each independently 1 to 6, R1 and R2 are each independently C2-C8 alkyl, and R4 and R5 are —CH3 groups; or A=O, x=0-6. n and m are each independently 1 to 6.Type: ApplicationFiled: February 27, 2020Publication date: May 12, 2022Applicant: Evonik Operations GmbHInventors: Juan Jesus Burdeniuc, James Douglas Tobias, Timothy Joseph Miller, Mayank Pratap Singh, David VanderSande
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Patent number: 10759892Abstract: The present invention provides trimerization catalyst compositions having a sterically hindered carboxylate salt used in combination with a tertiary amine catalysts having isocyanate reactive groups and methods to produce a polyisocyanurate/polyurethane foam using such trimerization catalyst compositions.Type: GrantFiled: June 18, 2015Date of Patent: September 1, 2020Assignee: Evonik Operations GmbHInventors: Boxun Leng, Juan Jesus Burdeniuc, James Douglas Tobias, Robert Hoffman, Xiubing Hu
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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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Patent number: 10125234Abstract: A composition and process to make polyisocyanurate or polyurethane foam using a catalyst composition comprising at least one bismuth carboxylate catalyst and one or more co-catalysts selected from the group of alkali metal carboxylates and quaternary ammonium carboxylate salts, such that the resultant foam has improved insulation properties. The polyisocyanurate or polyurethane foams produced by this catalyst composition and method are useful for laminated boardstock, construction panels, appliance insulation, and spray-applied insulation.Type: GrantFiled: February 26, 2015Date of Patent: November 13, 2018Assignee: Evonik Degussa GmbHInventors: Robert Francis Hoffman, James Douglas Tobias, Jean Louise Vincent, Timothy J. Miller
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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: 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: 10023683Abstract: The present invention provides a reactive catalyst composition for making a water blown flexible polyurethane foam. The catalyst composition comprises one or more tertiary amine catalysts in combination with (1) 2-methyl-1,3-propanediol or (2) a blend of 2-methyl-1,3-propanediol and a C7+ alkanol. The use of such catalyst composition improves the physical properties of the polyurethane foam.Type: GrantFiled: June 12, 2006Date of Patent: July 17, 2018Assignee: Evonik Degussa GmbHInventors: Jared Denis Bender, Mark Leo Listemann, James Douglas Tobias
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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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Publication number: 20180179318Abstract: The present invention provides trimerization catalyst compositions having a sterically hindered carboxylate salt used in combination with a tertiary amine catalysts having isocyanate reactive groups and methods to produce a polyisocyanurate/-polyurethane foam using such trimerization catalyst compositions.Type: ApplicationFiled: June 18, 2015Publication date: June 28, 2018Inventors: Boxun Leng, Juan Jesus Burdeniuc, James Douglas Tobias, Robert Hoffman, Xiubing Hu
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Patent number: 9856355Abstract: Methods for preparing polyurethane flexible foam are described, wherein an organic polyisocyanate is reacted with an active hydrogen-containing component such as an organic polyol, in the presence of a urethane catalyst, a blowing agent, optionally a cell opener, and a siloxane-based surfactant composition as a stabilizer for the foam. The siloxane-based surfactant composition comprises a silanol-functionalized organosiloxane having general formula (I), wherein: the R groups are independently a C1-C3 alkyl, phenyl, or —OSi(R)3; provided that at least one R group is a hydroxyl (—OH) bonded directly to any silicon atom and X is an integer from 0-200.Type: GrantFiled: September 27, 2005Date of Patent: January 2, 2018Assignee: Evonik Degussa GmbHInventors: Jared Denis Bender, Jean Louise Vincent, James Douglas Tobias, Mark Leo Listemann
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Patent number: 9447223Abstract: 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: June 27, 2012Date of Patent: September 20, 2016Assignee: Air Products and Chemicals, Inc.Inventors: Juan Jesus Burdeniuc, James Douglas Tobias, Renee Jo Keller, You-Moon Jeon
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Patent number: 9334382Abstract: 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: July 8, 2011Date of Patent: May 10, 2016Assignee: Air Products and Chemicals, Inc.Inventors: Juan Jesus Burdeniuc, James Douglas Tobias, You-Moon Jeon, Renee Jo Keller
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Publication number: 20160032042Abstract: 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: ApplicationFiled: September 28, 2015Publication date: February 4, 2016Applicant: AIR PRODUCTS AND CHEMICALS, INC.Inventors: Juan Jesus Burdeniuc, James Douglas Tobias, Renee Jo Keller
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Publication number: 20160002426Abstract: 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: ApplicationFiled: September 11, 2015Publication date: January 7, 2016Applicant: AIR PRODUCTS AND CHEMICALS, INC.Inventors: Juan Jesus Burdeniuc, James Douglas Tobias, Renee Jo Keller, You-Moon Jeon
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Publication number: 20160002425Abstract: 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: ApplicationFiled: September 11, 2015Publication date: January 7, 2016Applicant: AIR PRODUCTS AND CHEMICALS, INC.Inventors: Juan Jesus Burdeniuc, James Douglas Tobias, Renee Jo Keller, You-Moon Jeon
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Patent number: 9145466Abstract: 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: June 27, 2012Date of Patent: September 29, 2015Assignee: Air Products and Chemicals, Inc.Inventors: Juan Jesus Burdeniuc, James Douglas Tobias, Renee Jo Keller
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Publication number: 20150240023Abstract: A composition and process to make polyisocyanurate or polyurethane foam using a catalyst composition comprising at least one bismuth carboxylate catalyst and one or more co-catalysts selected from the group of alkali metal carboxylates and quaternary ammonium carboxylate salts, such that the resultant foam has improved insulation properties. The polyisocyanurate or polyurethane foams produced by this catalyst composition and method are useful for laminated boardstock, construction panels, appliance insulation, and spray-applied insulation.Type: ApplicationFiled: February 26, 2015Publication date: August 27, 2015Applicant: AIR PRODUCTS AND CHEMICALS, INC.Inventors: Robert Francis Hoffman, James Douglas Tobias, Jean Louise Vincent, Timothy J. Miller
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Patent number: 8618014Abstract: Catalyst compositions for use in forming polyurethane products include a gelling catalyst, a trimerization catalyst, and a cure accelerator. The gelling catalyst is a tertiary amine, mono(tertiary amino) urea, bis(tertiary amino) urea, or a combination of any of these. Any known trimerization catalyst may be used. The cure accelerator may be a diol having at least one primary hydroxyl group, and having from five to 17 chain backbone atoms chosen from carbon, oxygen, or both between the hydroxyl groups, provided that at least five of the backbone atoms are carbon. Alternatively or in addition, the cure accelerator may be a polyol having three or more hydroxyl groups, at least two of which are primary, and having molecular weights between 90 g/mole and 400 g/mole. Delayed initiation of the polyurethane-forming reaction and/or reduced demold time for producing the polyurethane part can be obtained by using these catalyst compositions.Type: GrantFiled: July 12, 2012Date of Patent: December 31, 2013Assignee: Air Products and Chemicals, Inc.Inventors: Gary Dale Andrew, Mark Leo Listemann, Patrick Gordon Stehley, James Douglas Tobias, John William Miller
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Patent number: 8552078Abstract: A composition for making a polyurethane foam includes a non-fugitive tertiary amine urethane catalyst and an alkylated polyamine crosslinking additives. Foams prepared from the reaction of a polyol and an organic isocyanate in the presence of these ingredients show improved resistance to deterioration of physical properties upon humid ageing.Type: GrantFiled: October 17, 2006Date of Patent: October 8, 2013Assignee: Air Products and Chemicals, Inc.Inventors: Gamini Ananda Vedage, Juan Jesus Burdeniuc, Allen Robert Arnold, Jr., James Douglas Tobias