Patents by Inventor Alan K. Schrock
Alan K. Schrock 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: 20170073293Abstract: The invention describes processes to convert biomass char, such as levulinic acid process char, into useful products.Type: ApplicationFiled: March 2, 2015Publication date: March 16, 2017Inventors: Brian D. Mullen, Erich J. Molitor, Alan K. Schrock
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Publication number: 20160312091Abstract: A high solid copolymer polyol adhesive composition comprising: (A) A polyurethane prepolymer comprising: (1) One or more polyisocyanates; (2) One or more compounds containing on average more than one isocyanate reactive compound; (3) A dispersion triol containing from 10 to 60 percent by weight, based on the weight of the dispersion, of particles of an organic polymer which is nonreactive with the isocyanate reactive compounds and the polyisocyanates having a particle size of less than 5 microns; wherein the prepolymer has a free isocyanate content of greater than 2.2 to 15 percent; and (B) A catalyst capable of catalyzing the reaction of isocyanate moieties with water.Type: ApplicationFiled: December 18, 2014Publication date: October 27, 2016Inventors: Jayaraman Krishnamoorthy, William A. Koonce, Hanno R. Van Der Wal, Alan K. Schrock
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Patent number: 9266996Abstract: The present invention discloses a structure comprising a plurality of three dimensional cells, wherein each cell comprises exterior walls defining an interior void wherein the walls comprise a plurality of struts and windows, the struts forming borders for the plurality of windows, wherein the struts have a plurality of pores. The present invention further discloses a viscoelastic foam having a ratio of elastic modulus (E?) at 20° C. to 25% compression force deflection (CFD) of 25 to 125.Type: GrantFiled: October 5, 2012Date of Patent: February 23, 2016Assignee: Dow Global Technologies LLCInventors: Bernard E. Obi, Alan K. Schrock, Rogelio R. Gamboa, Asjad Shafi, Kaoru Aou
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Patent number: 9221941Abstract: Polyurethane elastomers are formed by curing a reaction mixture containing at least one polyisocyanate at least one polyol, an aliphatic diol chain extender and a small amount of a secondary amino compound that may have none or one or more hydroxyl groups. The reaction is catalyzed with a metal catalyst. In certain embodiments, the catalyst is an organozirconium, organotitanium or tertiary amine-based catalyst. The presence of the secondary amine compound in those cases provides for a good surface appearance and good physical properties.Type: GrantFiled: November 16, 2011Date of Patent: December 29, 2015Assignee: Dow Global Technologies LLCInventors: Rajat Duggal, Nathan Wilmot, Richard Keaton, Alan K. Schrock
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Patent number: 9006385Abstract: Thermoset elastomer compositions are disclosed. Such elastomers are the reaction product of (a) an ambient temperature liquid epoxy-terminated prepolymer formed by reacting a polyoxyalkyleneamine having a molecular weight of from 3000 to 20,000 with an excess of epoxide, wherein the polyoxyalkyleneamine has at least 3 active hydrogen atoms and (b) a curing agent comprising at least one amine or polyamine having an equivalent weight of less than 200 and having 2 to 5 active hydrogen atoms. Such elastomers can be used in applications such as for sealants, adhesives, coatings, gaskets, jointing and cast elastomers.Type: GrantFiled: August 31, 2011Date of Patent: April 14, 2015Assignee: Dow Global Technologies LLCInventors: Nathan Wilmot, Rajat Duggal, Juan Carlos Medina, Harshad M. Shah, Alan K. Schrock
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Patent number: 8951619Abstract: The invention provides an insulation material comprising an epoxy-terminated prepolymer and an amine curing agent. The reaction production of the epoxy-terminated prepolymer and amine curing agent provides for an elastomer that combines the processing and mechanical properties of polyurethane elastomers with improved thermal-hydrolytic stability. The insulation material is particularly useful as thermal insulation and coating for subsea oil and gas applications.Type: GrantFiled: August 31, 2011Date of Patent: February 10, 2015Assignee: Dow Global Technologies LLCInventors: Nathan Wilmot, Rajat Duggal, Harshad M. Shah, Alan K. Schrock, Juan Carlos Medina
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Patent number: 8686058Abstract: Embodiments of the present invention disclose viscoelastic foams having a renewable natural resource contents of between about 1 and about 25 wt % of the foam. The foams may have a ratio of elastic modulus (E?) at 20° C. to 25% compression force deflection (CFD) of 25 to 125.Type: GrantFiled: July 15, 2009Date of Patent: April 1, 2014Assignee: Dow Global Technologies LLCInventors: Bernard E. Obi, Alan K. Schrock, Rogelio R. Gamboa, Asjad Shafi
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Publication number: 20130291992Abstract: The invention provides an insulation material comprising an epoxy-terminated prepolymer and an amine curing agent. The reaction production of the epoxy-terminated prepolymer and amine curing agent provides for an elastomer that combines the processing and mechanical properties of polyurethane elastomers with improved thermal-hydrolytic stability. The insulation material is particularly useful as thermal insulation and coating for subsea oil and gas applications.Type: ApplicationFiled: August 31, 2011Publication date: November 7, 2013Applicant: DOW GLOBAL TECHNOLOGIES LLCInventors: Nathan Wilmot, Rajat Duggal, Harshad M. Shah, Alan K. Schrock, Juan Carlos Medina
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Publication number: 20130253084Abstract: Polyurethane elastomers are formed by curing a reaction mixture containing at least one polyisocyanate at least one polyol, an aliphatic diol chain extender and a small amount of a secondary amino compound that may have none or one or more hydroxyl groups. The reaction is catalyzed with a metal catalyst. In certain embodiments, the catalyst is an organozirconium, organotitanium or tertiary amine-based catalyst. The presence of the secondary amine compound in those cases provides for a good surface appearance and good physical properties.Type: ApplicationFiled: November 16, 2011Publication date: September 26, 2013Inventors: Rajat Duggal, Nathan Wilmot, Richard Keaton, Alan K. Schrock
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Publication number: 20130211017Abstract: Thermoset elastomer compositions are disclosed. Such elastomers are the reaction product of (a) an ambient temperature liquid epoxy-terminated prepolymer formed by reacting a polyoxyalkyleneamine having a molecular weight of from 3000 to 20,000 with an excess of epoxide, wherein the polyoxyalkyleneamine has at least 3 active hydrogen atoms and (b) a curing agent comprising at least one amine or polyamine having an equivalent weight of less than 200 and having 2 to 5 active hydrogen atoms. Such elastomers can be used in applications such as for sealants, adhesives, coatings, gaskets, jointing and cast elastomers.Type: ApplicationFiled: August 31, 2011Publication date: August 15, 2013Applicant: DOW GLOBAL TECHNOLOGIES LLCInventors: Nathan Wilmot, Rajat Duggal, Juan Carlos Medina, Harshad M. Shah, Alan K. Schrock
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Patent number: 8133930Abstract: Flexible polyurethane foams are prepared by reacting a polyisocyanate with a high equivalent weight polyol. At least a portion of the high equivalent weight polyol is a polyester containing hydroxymethyl groups. The polyester is prepared in a multi-step process from animal or vegetable fats, by recovering the constitutent fatty acids, hydroformylating carbon-carbon double bonds in the fatty acids and reducing to form hydroxymethyl groups, and then forming a polyester by reaction with an initiator compound.Type: GrantFiled: April 23, 2004Date of Patent: March 13, 2012Assignee: Dow Global Technologies LLCInventors: Eugene Paul Wiltz, Jr., Zenon Lysenko, Fabio Aguirre, Aaron Sanders, John Tsavalas, David A. Babb, Alan K Schrock
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Patent number: 8124812Abstract: An aldehyde composition derived by hydroformylation of a transesterified seed oil and containing a mixture of formyl-substituted fatty acids or fatty acid esters having the following composition by weight: greater than about 10 to less than about 95 percent monoformyl, greater than about 1 to less than about 65 percent diformyl, and greater than about 0.1 to less than about 10 percent triformyl-substituted fatty acids or fatty acid esters, and having a diformyl to triformyl weight ratio of greater than about 5/1; preferably, greater than about 3 to less than about 20 percent saturates; and preferably, greater than about 1 to less than about 20 percent unsaturates.Type: GrantFiled: September 23, 2009Date of Patent: February 28, 2012Assignee: Dow Global Technologies LLCInventors: Zenon Lysenko, Donald L. Morrison, David A. Babb, Donald L. Bunning, Christopher W. Derstine, James H. Gilchrist, H. Ray Jouett, Jeffrey S. Kanel, Kurt D. Olson, Wei-Jun Peng, Joe D. Phillips, Brian M. Roesch, Aaron W. Sanders, Alan K. Schrock, Pulikkottil J. Thomas
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Publication number: 20120028024Abstract: The present invention discloses a structure comprising a plurality of three dimensional cells, wherein each cell comprises exterior walls defining an interior void wherein the walls comprise a plurality of struts and windows, the struts forming borders for the plurality of windows, wherein the struts have a plurality of pores. The present invention further discloses a viscoelastic foam having a ratio of elastic modulus (E?) at 20° C. to 25% compression force deflection (CFD) of 25 to 125.Type: ApplicationFiled: July 15, 2009Publication date: February 2, 2012Applicant: Dow Global Technologies inc.Inventors: Bernard Obi, Alan K. Schrock, Rogelio R. Gamboa, Asjad Shafi, Kaoru Aou
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Patent number: 7960444Abstract: Polyols useful in the manufacture of polyurethanes are disclosed. The polyols are prepared by reacting a vegetable oil based (hydroxymethyl containing) monomer with a polyol, polyamine or aminoalcohol under vacuum.Type: GrantFiled: April 21, 2004Date of Patent: June 14, 2011Assignee: Dow Global Technologies LLCInventors: Zenon Lysenko, Alan K. Schrock, David A. Babb, Aaron Sanders, John Tsavalas, H. Ray Jouett, Larry Chambers, Charles Keillor, James H. Gilchrist
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Publication number: 20110124762Abstract: Embodiments of the present invention disclose viscoelastic foams having a renewable natural resource contents of between about 1 and about 25 wt % of the foam. The foams may have a ratio of elastic modulus (E?) at 20° C. to 25% compression force deflection (CFD) of 25 to 125.Type: ApplicationFiled: July 15, 2009Publication date: May 26, 2011Applicant: Dow Global Technologies LLCInventors: Bernard E. Obi, Alan K. Schrock, Rogelio R. Gamboa, Asjad Shafi
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Publication number: 20100298610Abstract: An aldehyde composition derived by hydroformylation of a transesterified seed oil and containing a mixture of formyl-substituted fatty acids or fatty acid esters having the following composition by weight: greater than about 10 to less than about 95 percent monoformyl, greater than about 1 to less than about 65 percent diformyl, and greater than about 0.1 to less than about 10 percent triformyl-substituted fatty acids or fatty acid esters, and having a diformyl to triformyl weight ratio of greater than about 5/1; preferably, greater than about 3 to less than about 20 percent saturates; and preferably, greater than about 1 to less than about 20 percent unsaturates.Type: ApplicationFiled: September 23, 2009Publication date: November 25, 2010Applicant: Dow Global Technologies Inc.Inventors: Zenon Lysenko, Donald L. Morrison, David A. Babb, Donald L. Bunning, Christopher W. Derstine, James H. Gilchrist, H. Ray Jouett, Kurt D. Olson, Wei-Jun Peng, Joe D. Phillips, Brian M. Roesch, Aaron W. Sanders, Alan K. Schrock, Pulikkottil J. Thomas, Jeffrey S. Kanel
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Publication number: 20100298486Abstract: Monovinylidene aromatic polymers, e.g., general purpose polystyrene or high impact polystyrene, are plasticized with a nonfunctionalized, nonmineral oil, e.g., a vegetable oil such as canola oil, cottonseed oil or the like. The mixture of monovinylidene aromatic polymer and oil is typically and preferably free of any significant amount of functionalized nonmineral oil, and it typically contains at least 0.1 weight percent of the nonfunctionalized, nonmineral oil, alone or in combination with a mineral oil, based on the weight of the polymer. The nonmineral oil has an iodine value of less than 120, and a hydroxyl number of less than 20.Type: ApplicationFiled: September 11, 2007Publication date: November 25, 2010Applicant: DOW GLOBAL TECHNOLOGIES INC.Inventors: Zenon Lysenko, Amaia Montoya-Goni, David Schrader, Alan K. Schrock, Gregory Chambard
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Publication number: 20100266799Abstract: A prepolymer or elastomer is the reaction product of reactants (a) at least one polyester polyol or fatty acid derived polyol which is the reaction product of at least one initiator and a mixture of fatty acids or derivatives of fatty acids comprising at least about 45 weight percent monounsaturated fatty acids or derivatives thereof, (b) optionally, at least one polyol which is different from the polyol of (a); and (c) at least one isocyanate compound (herein after isocyanate) having an average of at least about 1.8 isocyanate groups per molecule. A process comprises admixing reactants (a) at least one polyol composition comprising the fatty acid derived polyol which is the reaction product of at least one initiator and a mixture of fatty acids or derivatives of fatty acids comprising at least about any of 45 weight percent monounsaturated fatty acids or derivatives thereof; and (b) at least one isocyanate having an average functionality of at least about 1.Type: ApplicationFiled: July 9, 2008Publication date: October 21, 2010Applicant: Dow Global Technologies Inc.Inventors: William A. Koonce, Dwight D. Latham, Randall C. Jenkines, Debkumar Bhattacharjee, Zenon Lysenko, Hongyu Chen, Mark F. Sonnenschein, Klaus Schiller, Cora Leibig, Alan K. Schrock
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Patent number: 7750108Abstract: Copolyesters containing secondary hydroxyl groups are useful polyols for manufacturing polyurethanes. These can be prepared by reacting a secondary hydroxyl-containing fatty acid or ester thereof with an initiator containing hydroxyl and/or primary or secondary amino groups. A copolyester of particular interest includes a poly(ethylene oxide) segment derived from a poly(ethylene oxide) initiator.Type: GrantFiled: April 27, 2006Date of Patent: July 6, 2010Assignee: Dow Global Technologies Inc.Inventors: Zenon Lysenko, David A. Babb, Kenneth J. Stutts, Robbyn Prange, Min Zhang, Alan K. Schrock
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Patent number: 7745652Abstract: Integrated processes of preparing industrial chemicals starting from seed oil feedstock compositions containing one or more unsaturated fatty acids or unsaturated fatty acid esters, which are essentially free of metathesis catalyst poisons, particularly hydroperoxides; metathesis of the feedstock composition with a lower olefin, such as ethylene, to form a reduced chain olefin, preferably, a reduced chain ?-olefin, and a reduced chain unsaturated acid or ester, preferably, a reduced chain ?,?-unsaturated acid or ester. The reduced chain unsaturated acid or ester may be (trans)esterified to form a polyester polyolefin, which may be epoxidized to form a polyester polyepoxide. The reduced chain unsaturated acid or ester may be hydroformylated with reduction to produce an ?,?-hydroxy acid or ?,?-hydroxy ester, which may be (trans)esterified with a polyol to form an ?,?-polyester polyol.Type: GrantFiled: December 5, 2008Date of Patent: June 29, 2010Assignee: Dow Global Technologies Inc.Inventors: Zenon Lysenko, Bob R. Maughon, Jozef Bicerano, Kenneth A. Burdett, Christopher P. Christenson, Clark H. Cummins, Marvin L. Dettloff, Alan K. Schrock, P. J. Thomas, Richard D. Varjian, Jerry E. White, John Michael Maher