Patents by Inventor Bedri Erdem
Bedri Erdem 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: 10899873Abstract: An epoxy oligomerization catalyst can be employed to prepare an epoxy resin employing a method including admixing a first epoxy resin having a first epoxy equivalent weight of from about 100 to about 600 with a diphenolic compound, and a catalyst, thereby forming a second epoxy resin having a second epoxy equivalent weight of from about 200 to about 10,000; wherein the catalyst is a guanidinium catalyst. The second equivalent weight is greater than the first equivalent weight.Type: GrantFiled: September 12, 2017Date of Patent: January 26, 2021Assignee: HEXION INC.Inventors: David Flosser, Jerry R. Hite, Larry Steven Corley, Bedri Erdem
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Publication number: 20190077906Abstract: An epoxy oligomerization catalyst can be employed to prepare an epoxy resin employing a method including admixing a first epoxy resin having a first epoxy equivalent weight of from about 100 to about 600 with a diphenolic compound, and a catalyst, thereby forming a second epoxy resin having a second epoxy equivalent weight of from about 200 to about 10,000; wherein the catalyst is a guanidinium catalyst. The second equivalent weight is greater than the first equivalent weight.Type: ApplicationFiled: September 12, 2017Publication date: March 14, 2019Inventors: David FLOSSER, Jerry R. HITE, Larry Steven CORLEY, Bedri ERDEM
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Patent number: 10119046Abstract: Compositions, methods, and coating composition using a curing agent are provided herein. In one embodiment, a curing agent for epoxy resins may be prepared using a formulation including: (a) an adduct of: (i) a diglycidyl ether of a bisphenol, and (ii) a first polyamine; (b) a second polyamine; and (c) water; wherein the composition has an amine hydrogen equivalent weight, based on solids, of less than or equal to 105.Type: GrantFiled: December 16, 2016Date of Patent: November 6, 2018Assignee: HEXION INC.Inventors: David Flosser, Patricia Garcia, Larry Steven Corley, Bedri Erdem, Lucy Phan
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Publication number: 20170137664Abstract: Compositions, methods, and coating composition using a curing agent are provided herein. In one embodiment, a curing agent for epoxy resins may be prepared using a formulation including: (a) an adduct of: (i) a diglycidyl ether of a bisphenol, and (ii) a first polyamine; (b) a second polyamine; and (c) water; wherein the composition has an amine hydrogen equivalent weight, based on solids, of less than or equal to 105.Type: ApplicationFiled: December 16, 2016Publication date: May 18, 2017Inventors: David Flosser, Patricia Garcia, Larry Steven Corley, Bedri Erdem, Lucy Phan
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Patent number: 9550912Abstract: Compositions, methods, and coating composition using a curing agent are provided herein. In one embodiment, a curing agent for epoxy resins may be prepared using a formulation including: (a) an adduct of: (i) a diglycidyl ether of a bisphenol, and (ii) a first polyamine; (b) a second polyamine; and (c) water; wherein the composition has an amine hydrogen equivalent weight, based on solids, of less than or equal to 105.Type: GrantFiled: December 19, 2014Date of Patent: January 24, 2017Assignee: HEXION INCInventors: David Flosser, Patricia Garcia, Larry Steven Corley, Bedri Erdem, Lucy Phan
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Patent number: 9512262Abstract: The instant invention is a polyurethane dispersion, method of producing the same, coated articles, and method for coating articles. The polyurethane dispersion according to the present inventions includes (a) one or more polyurethane units derived from one or more prepolymers wherein the one or more prepolymers comprise the reaction product of a mixture dissolved in dipropylene glycol dimethyl ether in the presence of one or more first surfactants with one or more isocyanates, wherein the mixture comprises one or more natural oil based polyols, and one or more adipate polyols, and optionally one or more short diols; and (b) water.Type: GrantFiled: February 8, 2010Date of Patent: December 6, 2016Assignee: Dow Global Technologies LLCInventors: Bedri Erdem, Kumar Nanjundiah, John N. Argyropoulos, Michael C. Kaufman, Jihui Guo, Paul Foley, Debkumar Bhattacharjee
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Publication number: 20160177125Abstract: Compositions, methods, and coating composition using a curing agent are provided herein. In one embodiment, a curing agent for epoxy resins may be prepared using a formulation including: (a) an adduct of: (i) a diglycidyl ether of a bisphenol, and (ii) a first polyamine; (b) a second polyamine; and (c) water; wherein the composition has an amine hydrogen equivalent weight, based on solids, of less than or equal to 105.Type: ApplicationFiled: December 19, 2014Publication date: June 23, 2016Inventors: David Flosser, Patricia Garcia, Larry Steven Corley, Bedri Erdem, Lucy Phan
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Publication number: 20150240077Abstract: This invention relates to a Waterborne Polyurethane Dispersions (WPU) derived from the reaction products of tertiary alkyl glycidyl esters based hydroxyl terminal polyester polyols with polyisocyanates and chain extended with poly-functional amines and dispersed in water have shown the surprising inherent ability for self-coalescence. Furthermore the cured films have shown improved hardness and abrasion resistance over these benchmarks with a significant reduction in coalescing solvent needed to accomplish film formation.Type: ApplicationFiled: September 3, 2013Publication date: August 27, 2015Applicant: Hexion Inc.Inventors: Christophe Steinbrecher, Denis Heymans, Bedri Erdem, Mike O'Shaugnessy, Jeff Blaisdell
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Publication number: 20150094415Abstract: The instant invention is a pressure sensitive adhesive composition comprising an ultra-high solid polyurethane dispersion. The ultra-high solid polyurethane dispersion comprises (1) a first component comprising a first polyurethane prepolymer comprising the reaction product of a polyol and polyisocyanate, (2) a second component comprising a media phase selected from the group consisting of a second polyurethane prepolymer emulsion, a low solid content polyurethane dispersion, a seed latex, and combinations thereof; and (3) optionally a chain extender. The ultra-high solid polyurethane dispersion has at least a solid content of at least 60 percent by weight of solid content, based on the total weight of the ultra-high solid polyurethane dispersion, and a viscosity of less than 5000 cps at 20 rpm at 21° C. using spindle #4 with Brookfield viscometer.Type: ApplicationFiled: December 11, 2014Publication date: April 2, 2015Inventors: Bedri Erdem, Debkumar Bhattacharjee, Keith J. Andes
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Patent number: 8927646Abstract: The instant invention is a polyurethane dispersion, method of producing the same, coated articles, and method of coating articles. The polyurethane dispersion according to the instant invention comprises (a) one or more polyurethane units derived from one or more prepolymers, wherein the one or more prepolymers comprise the reaction product of one or more natural oil based polyols dissolved in dipropylene glycol dimethyl ether in the presence of one or more first surfactants with one or more isocyanates; and (b) water.Type: GrantFiled: March 31, 2010Date of Patent: January 6, 2015Assignee: Dow Global Technologies LLCInventors: Bedri Erdem, Debkumar Bhattacharjee, Kumar Nanjundiah, John N. Argyropoulos, Michael C. Kaufman, Jihui Guo, Suresh Subramonian
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Patent number: 8821983Abstract: The instant invention is an ultra-high solid content polyurethane dispersion, and a continuous process for producing ultra-high solid content polyurethane dispersions. The ultra-high solid content polyurethane dispersion includes the reaction product of: (1) a first component, wherein the first component is a first polyurethane prepolymer or a first polyurethane prepolymer emulsion; (2) a second component, wherein the second component is a second polyurethane prepolymer, a second polyurethane prepolymer emulsion, a low solid content polyurethane dispersion, a seed latex, or combinations thereof; (3) and a chain extender. The ultra-high solid content polyurethane dispersion has a solid content of at least 60 percent by weight of the solid, based on the total weight of the ultra-high solid content polyurethane dispersion, and a viscosity in the range of less than 5000 cps at 20 rpm at 21° C. using spindle #4 with Brookfield viscometer.Type: GrantFiled: December 19, 2007Date of Patent: September 2, 2014Assignee: Dow Global Technologies LLCInventors: Bedri Erdem, Debkumar Bhattacharjee
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Patent number: 8680198Abstract: The instant invention is a composite dispersion, method of producing the same, and articles made therefrom. The composite dispersion according to the instant invention comprises (1) a first seed dispersion comprising (a) a first internal phase; and (b) an external phase, and (2) a second internal phase; wherein the composite dispersion comprises more than 60 percent by the combined weight of the first internal phase and the second internal phase, and the composite dispersion has a viscosity of less than 10,000 cP measured by RV4 spindle at 20 rpm at greater than 60 weight percent total internal phase, and wherein the composite dispersion has a bimodal particle size distribution and a particle size ratio (P2/P1) in the range of 2 to 200.Type: GrantFiled: December 4, 2012Date of Patent: March 25, 2014Assignee: Dow Global Technologies LLCInventors: David L. Malotky, Sarah T. Eckersley, Bedri Erdem, Debkumar Bhattacharjee
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Patent number: 8506889Abstract: The instant invention is a device for producing dispersions. The device for producing dispersions includes a first stator, a second stator, a shell encasing the first stator and the second stator, a rotor being disposed therebetween the first stator and the second stator thereby forming a first chamber and a second chamber, at least one first inlet port into the first chamber, and at least one outlet port out of the second chamber. The device may optionally include at least one additional second inlet port into the second chamber.Type: GrantFiled: September 5, 2012Date of Patent: August 13, 2013Assignee: Dow Global Technologies LLCInventors: Kenneth W. Skaggs, Bedri Erdem, Paul A. Gillis
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Patent number: 8349945Abstract: The instant invention is a composite dispersion, method of producing the same, and articles made therefrom. The composite dispersion according to the instant invention comprises (1) a first seed dispersion comprising (a) a first internal phase; and (b) an external phase, and (2) a second internal phase; wherein the composite dispersion comprises more than 60 percent by the combined weight of the first internal phase and the second internal phase, and the composite dispersion has a viscosity of less than 10,000 cP measured by RV4 spindle at 20 rpm at greater than 60 weight percent total internal phase, and wherein the composite dispersion has a bimodal particle size distribution and a particle size ratio (P2/P1) in the range of 2 to 200. The first internal phase comprises a first hydrophobic material selected from the group consisting of alkyd, silicone, polyolefin, polyurethane, epoxy, emulsion polymer, and polyester. The external phase comprises water.Type: GrantFiled: May 27, 2009Date of Patent: January 8, 2013Assignee: Dow Global Technologies LLCInventors: David L. Malotky, Sarah T. Eckersley, Bedri Erdem, Debkumar Bhattacharjee
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Publication number: 20120327739Abstract: The instant invention is a device for producing dispersions. The device for producing dispersions includes a first stator, a second stator, a shell encasing the first stator and the second stator, a rotor being disposed therebetween the first stator and the second stator thereby forming a first chamber and a second chamber, at least one first inlet port into the first chamber, and at least one outlet port out of the second chamber. The device may optionally include at least one additional second inlet port into the second chamber.Type: ApplicationFiled: September 5, 2012Publication date: December 27, 2012Applicant: Dow Global Technologies LLCInventors: Ken W. Skaggs, Bedri Erdem, Paul A. Gillis
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Patent number: 8283393Abstract: The instant invention is a device for producing dispersions and method of producing dispersions. The device for producing dispersions includes a first stator, a second stator, a shell encasing the first stator and the second stator, a rotor being disposed therebetween the first stator and the second stator thereby forming a first chamber and a second chamber, at least one first inlet port into the first chamber, and at least one outlet port out of the second chamber. The device may optionally include at least one additional second inlet port into the second chamber.Type: GrantFiled: December 19, 2007Date of Patent: October 9, 2012Assignee: Dow Global Technologies LLCInventors: Ken W. Skaggs, Bedri Erdem, Paul A. Gillis
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Publication number: 20120053292Abstract: The instant invention is a polyurethane dispersion, method of producing the same, coated articles, and method of coating articles. The polyurethane dispersion according to the instant invention comprises (a) one or more polyurethane units derived from one or more prepolymers, wherein the one or more prepolymers comprise the reaction product of one or more natural oil based polyols dissolved in dipropylene glycol dimethyl ether in the presence of one or more first surfactants with one or more isocyanates; and (b) water.Type: ApplicationFiled: March 31, 2010Publication date: March 1, 2012Applicant: Dow Global Technologies LLCInventors: Bedri Erdem, Debkumar Bhattacharjee, Kumar Nanjundiah, John N. Argyropoulos, Michael C. Kaufman, Jihui Guo, Suresh Subramonian
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Publication number: 20120035318Abstract: The instant invention is a polyurethane dispersion, method of producing the same, coated articles, and method for coating articles. The polyurethane dispersion according to the present inventions includes (a) one or more polyurethane units derived from one or more prepolymers wherein the one or more prepolymers comprise the reaction product of a mixture dissolved in dipropylene glycol dimethyl ether in the presence of one or more first surfactants with one or more isocyanates, wherein the mixture comprises one or more natural oil based polyols, and one or more adipate polyols, and optionally one or more short diols; and (b) water.Type: ApplicationFiled: February 8, 2010Publication date: February 9, 2012Applicant: Dow Global Technologies LLCInventors: Bedri Erdem, Kumar Nanjundiah, John N. Argyropoulos, Michael C. Kaufman, Jihui Guo, Paul Foley, Debkumar Bhattacharjee
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Publication number: 20110082236Abstract: The instant invention is a heat activated adhesive composition comprising an ultra-high solid polyurethane dispersion. The ultra-high solid polyurethane dispersion comprises (1) a first component comprising a first polyurethane prepolymer comprising the reaction product of a polyol and polyisocyanate, (2) a second component comprising a media phase selected from the group consisting of a second polyurethane prepolymer emulsion, a low solid content polyurethane dispersion, a seed latex, and combinations thereof; and (3) optionally a chain extender. The ultra-high solid polyurethane dispersion has at least a solid content of at least 60 percent by weight of solid content, based on the total weight of the ultra-high solid polyurethane dispersion, and a viscosity of less than 5000 cps at 20 rpm at 21° C. using spindle #4 with Brookfield viscometer.Type: ApplicationFiled: June 2, 2009Publication date: April 7, 2011Applicant: Dow Global Technologies Inc.Inventors: Bedri Erdem, Debkumar Bhattacharjee
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Publication number: 20110077348Abstract: The instant invention is a sealant composition comprising an ultra-high solid polyurethane dispersion. The ultra-high solid polyurethane dispersion comprises (1) a first component comprising a first polyurethane prepolymer comprising the re-action product of a natural oil based polyol and polyisocyanate, (2) a second component comprising a media phase selected from the group consisting of a second polyurethane prepolymer emulsion, a low solid content polyurethane dispersion, a seed latex, and combinations thereof; and (3) optionally a chain extender. The ultra-high solid polyurethane dispersion has at least a solid content of at least 60 percent by weight of solid content, based on the total weight of the ultra-high solid polyurethane dispersion, and a viscosity of less than 5000 cps at 20 rpm at 21° C. using spindle #4 with Brookfield viscometer.Type: ApplicationFiled: June 2, 2009Publication date: March 31, 2011Applicant: Dow Global Technologies Inc.Inventors: Bedri Erdem, Li Zhang, Debkumar Bhattacharjee, YI Jin