Patents by Inventor Cornel Hagiopol
Cornel Hagiopol 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: 20160075909Abstract: Binder compositions and methods for making and using same are provided. In at least one specific embodiment, the binder composition can include at least one unsaturated compound having two or more unsaturated carbon-carbon bonds and at least one free radical precursor. At least one of the unsaturated carbon-carbon bonds can be a pi-bond that is not conjugated with an aromatic moiety and can be capable of free radical addition. The free radical precursor can be present in an amount of about 7 wt % to about 99 wt %, based on the weight of the one or more unsaturated compounds.Type: ApplicationFiled: November 23, 2015Publication date: March 17, 2016Applicant: Georgia-Pacific Chemicals LLCInventors: Bobby L. Williamson, Adam K. Sniady, Brian L. Swift, Ramji Srinivasan, Feng Jing, Cornel Hagiopol
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Patent number: 9273223Abstract: Binder compositions and methods for making and using same are provided. In at least one specific embodiment, the binder composition can include at least one unsaturated compound having two or more unsaturated carbon-carbon bonds and at least one free radical precursor. At least one of the unsaturated carbon-carbon bonds can be a pi-bond that is not conjugated with an aromatic moiety and can be capable of free radical addition. The free radical precursor can be present in an amount of about 7 wt % to about 99 wt %, based on the weight of the one or more unsaturated compounds.Type: GrantFiled: November 23, 2015Date of Patent: March 1, 2016Assignee: Georgia-Pacific Chemicals LLCInventors: Bobby L. Williamson, Adam K. Sniady, Brian L. Swift, Ramji Srinivasan, Feng Jing, Cornel Hagiopol
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Publication number: 20160040011Abstract: Resin compositions, products made therewith, and methods for making such resin compositions and products. The resin composition can include a polyamide-epihalohydrin resin, a cationic styrene maleimide resin, and a urea-formaldehyde resin. The polyamide-epihalohydrin resin can include a reaction product of a polyamidoamine and an epihalohydrin. The cationic styrene maleimide resin can include a reaction product of a styrene maleic anhydride copolymer and an amine compound. The product can include a fiber web and an at least partially cured resin composition. The resin composition, prior to curing, can include a polyamide-epihalohydrin resin, a cationic styrene maleimide resin, and a urea-formaldehyde resin. The polyamide-epihalohydrin resin can include a reaction product of a polyamidoamine and an epihalohydrin. The cationic styrene maleimide resin can include a reaction product of a styrene maleic anhydride copolymer and an amine compound.Type: ApplicationFiled: August 7, 2015Publication date: February 11, 2016Applicant: GEORGIA-PACIFIC CHEMICALS LLCInventors: Clay E. Ringold, Cornel Hagiopol, James W. Johnston, Frederick S. Potter
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Publication number: 20160032104Abstract: Modified polyphenol binder compositions and methods for making and using same are provided. In at least one specific embodiment, the binder composition can include at least one unsaturated monomer and at least one polyphenolic compound. The polyphenolic compound can include a lignin, a tannin, a novolac resin, a modified phenol formaldehyde resin, bis-phenol A, humic acid, or any mixture thereof.Type: ApplicationFiled: October 12, 2015Publication date: February 4, 2016Applicant: Georgia-Pacific Chemicals LLCInventors: Cornel Hagiopol, Derek L. Atkinson
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Patent number: 9243365Abstract: Methods for making cellulosic fiber webs using release aids containing one or more polyethers and one or more hydrophilic polymers. In at least one specific embodiment, a release aid having a first temperature can be applied to a drying surface having a second temperature. The second temperature can be greater than the first temperature. The release aid, in an aqueous solution that includes water and about 3 vol % of the release aid based on the total volume of the release aid and water, can have a cloud point greater than the first temperature and less than the second temperature at a pressure of 100 kPa. The method can also include adhering a cellulosic fiber web to the drying surface by contacting the cellulosic fiber web to the drying surface. The method can also include dislodging the cellulosic fiber web from the drying surface.Type: GrantFiled: December 19, 2014Date of Patent: January 26, 2016Assignee: Georgia-Pacific Chemicals LLCInventors: David F. Townsend, Cornel Hagiopol
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Patent number: 9243114Abstract: Binder compositions and methods for making and using same are provided. In at least one specific embodiment, the binder composition can include at least one polyphenolic compound, at least one unsaturated compound, and at least one free radical precursor. The unsaturated compound can have two or more unsaturated carbon-carbon bonds. At least one of the unsaturated carbon-carbon bonds can be a pi-bond that is not conjugated with an aromatic moiety and is capable of free radical addition.Type: GrantFiled: March 12, 2014Date of Patent: January 26, 2016Assignee: Georgia-Pacific Chemicals LLCInventors: Bobby L. Williamson, Adam K. Sniady, Brian L. Swift, Ramji Srinivasan, Cornel Hagiopol
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Patent number: 9193894Abstract: Binder compositions and methods for making and using same are provided. In at least one specific embodiment, the binder composition can include at least one unsaturated compound having two or more unsaturated carbon-carbon bonds and at least one free radical precursor. At least one of the unsaturated carbon-carbon bonds can be a pi-bond that is not conjugated with an aromatic moiety and can be capable of free radical addition. The free radical precursor can be present in an amount of about 7 wt % to about 99 wt %, based on the weight of the one or more unsaturated compounds.Type: GrantFiled: March 12, 2014Date of Patent: November 24, 2015Assignee: Georgia-Pacific Chemicals LLCInventors: Bobby L. Williamson, Adam K. Sniady, Brian L. Swift, Ramji Srinivasan, Feng Jing, Cornel Hagiopol
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Patent number: 9169157Abstract: An aqueous binder composition, useful for making fiber products, especially fiberglass insulation, comprising an aqueous substantially alkaline (pH of at least 5.0) solution of a polyol and a hydrolyzed (solubilized) copolymer of maleic anhydride and a vinyl aromatic compound, preferably styrene (i.e., a SMA copolymer); the copolymer is solubilized using ammonia, an ammine, a primary alkanolamines (preferably monoethanolamine), a secondary alkanolamine (preferably diethanolamine (DEA)), a tertiary alkanolamine (preferably triethanolamine (TEA)), or a mixture thereof and the binder composition is cured as a consequence of cross-linking, esterification reactions between pendant carboxyls on the solubilized (hydrolyzed) copolymer (SMA) chains and hydroxyl groups of the polyol, including the diethanolamine and/or triethanolamine preferably used in the solubilization of the SMA.Type: GrantFiled: August 3, 2009Date of Patent: October 27, 2015Assignee: Georgia-Pacific Chemicals LLCInventors: Ramji Srinivasan, Kurt D. Gabrielson, John B. Hines, Cornel Hagiopol
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Patent number: 9157016Abstract: Modified polyphenol binder compositions and methods for making and using same are provided. In at least one specific embodiment, the binder composition can include at least one unsaturated monomer and at least one polyphenolic compound. The polyphenolic compound can include a lignin, a tannin, a novolac resin, a modified phenol formaldehyde resin, bis-phenol A, humic acid, or any mixture thereof.Type: GrantFiled: September 30, 2013Date of Patent: October 13, 2015Assignee: Georgia-Pacific Chemicals LLCInventors: Cornel Hagiopol, Derek L. Atkinson
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Publication number: 20150275438Abstract: Wet strengthened fiber products, wet strengthening resins, and methods for making such wet strengthened fiber products and wet strengthening resins. The wet strengthened fiber product can include a fiber web and an at least partially cured wet strengthening resin, which prior to at least partially curing, the wet strengthening resin can include a polyamide-epihalohydrin (PAE) resin and a cationic styrene maleimide (SMI) resin. The PAE resin can include a reaction product of a polyamidoamine and an epihalohydrin and the cationic SMI resin can include a reaction product of a styrene maleic anhydride (SMA) copolymer and an amine. The wet strengthened fiber product can include the wet strengthening resin in an amount of about 0.05 wt % to about 5 wt %, based on a dried weight of the wet strengthened fiber product.Type: ApplicationFiled: March 25, 2015Publication date: October 1, 2015Applicant: Georgia-Pacific Chemicals LLCInventors: Cornel Hagiopol, David F. Townsend, Clay E. Ringold, James W. Johnston
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Publication number: 20150259859Abstract: Strengthening resins and methods for making and using same. The strengthening resin can include a polyamine partially cross-linked with a bridging moiety and having azetidinium ions. The bridging moiety can be derived from a functionally symmetric cross-linker. The functionally symmetric cross-linker can include a diisocyanate, a 1,3-dialkyldiazetidine-2,4-dione, a dianhydride, a diacyl halide, a dienone, a dialkyl halide, or any mixture thereof.Type: ApplicationFiled: May 29, 2015Publication date: September 17, 2015Applicant: GEORGIA-PACIFIC CHEMICALS LLCInventors: Clay E. Ringold, Cornel Hagiopol, Dexter C. Johnson, Brian L. Swift, David R. Snead
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Publication number: 20150259858Abstract: Compositions and methods related to new wet strength resins are provided. By using functionally-symmetrical cross-linkers and mono-functional modifiers, and separating the steps of reacting a prepolymer with the cross-linkers from the reaction of intermediate cross-linked prepolymer with epichlorohydrin, new wet strength resin products are provided having improved properties.Type: ApplicationFiled: May 29, 2015Publication date: September 17, 2015Applicant: Georgia-Pacific Chemicals LLCInventors: Clay E. Ringold, Cornel Hagiopol, Dexter C. Johnson
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Publication number: 20150211183Abstract: Resin systems and methods for making and using same are provided. The method for making a paper product can include contacting a plurality of pulp fibers with a resin system. The resin system can include a first polyamidoamine-epihalohydrin resin and a second resin that can include a second polyamidoamine-epihalohydrin resin, a urea-formaldehyde resin, or a mixture thereof to produce a paper product. The first resin and the second resin can be sequentially or simultaneously contacted with the plurality of pulp fibers. The period for sequential addition between the first resin and the second resin is about 1 second to about 1 hour.Type: ApplicationFiled: April 6, 2015Publication date: July 30, 2015Applicant: Georgia-Pacific Chemicals LLCInventors: Cornel Hagiopol, David F. Townsend, Clay E. Ringold, James W. Johnston, Robert McDonald, Metric M. Simpson, Frederick S. Potter
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Publication number: 20150211182Abstract: Resin systems and methods for making and using same are provided. The method for making a paper product can include contacting a plurality of pulp fibers with a resin system. The resin system can include a first polyamidoamine-epihalohydrin resin and a second resin that can include a second polyamidoamine-epihalohydrin resin, a urea-formaldehyde resin, or a mixture thereof to produce a paper product. The first resin and the second resin can be sequentially or simultaneously contacted with the plurality of pulp fibers. The period for sequential addition between the first resin and the second resin is about 1 second to about 1 hour.Type: ApplicationFiled: April 6, 2015Publication date: July 30, 2015Applicant: GEORGIA-PACIFIC CHEMICALS LLCInventors: Cornel Hagiopol, David F. Townsend, Clay E. Ringold, James W. Johnston, Robert McDonald, Metric M. Simpson, Frederick S. Potter
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Publication number: 20150176212Abstract: Methods for making cellulosic fiber webs using release aids containing one or more polyethers and one or more hydrophilic polymers. In at least one specific embodiment, a release aid having a first temperature can be applied to a drying surface having a second temperature. The second temperature can be greater than the first temperature. The release aid, in an aqueous solution that includes water and about 3 vol % of the release aid based on the total volume of the release aid and water, can have a cloud point greater than the first temperature and less than the second temperature at a pressure of 100 kPa. The method can also include adhering a cellulosic fiber web to the drying surface by contacting the cellulosic fiber web to the drying surface. The method can also include dislodging the cellulosic fiber web from the drying surface.Type: ApplicationFiled: December 19, 2014Publication date: June 25, 2015Applicant: GEORGIA-PACIFIC CHEMICALS LLCInventors: David F. Townsend, Cornel Hagiopol
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Patent number: 9045862Abstract: Compositions and methods related to new wet strength resins are provided. By using functionally-symmetrical cross-linkers and mono-functional modifiers, and separating the steps of reacting a prepolymer with the cross-linkers from the reaction of intermediate cross-linked prepolymer with epichlorohydrin, new wet strength resin products are provided having improved properties.Type: GrantFiled: July 18, 2013Date of Patent: June 2, 2015Assignee: Georgia-Pacific Chemicals LLCInventors: Clay E. Ringold, Cornel Hagiopol, Dexter C. Johnson
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Publication number: 20150122433Abstract: Creping adhesives and methods for making and using same are provided. The creping adhesive can include a first thermosetting polyamidoamine-epihalohydrin resin that includes a reaction product of a first epihalohydrin and a first polyamidoamine containing one or more secondary amine groups, a first thermoplastic polyamidoamine-epihalohydrin resin that includes a reaction product of a second epihalohydrin and a second polyamidoamine containing one or more secondary amine groups, and one or more re-wetting agents. The first thermosetting polyamidoamine-epihalohydrin resin can have a weight average molecular weight of about 800,000 to about 1,200,000 and a molar ratio of the first epihalohydrin to the secondary amine groups of about 0.002:1 to about 0.1:1. The first thermoplastic polyamidoamine-epihalohydrin resin can have a weight average molecular weight of about 40,000 to about 200,000 and a molar ratio of the second epihalohydrin to the secondary amine groups of about 0.001:1 to about 0.1:1.Type: ApplicationFiled: November 7, 2014Publication date: May 7, 2015Applicant: GEORGIA-PACIFIC CHEMICALS LLCInventors: Clay E. Ringold, David F. Townsend, Cornel Hagiopol, Karla D. Favors, Thomas L. Wright
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Patent number: 8999110Abstract: Resin systems and methods for making and using same are provided. The method for making a paper product can include contacting a plurality of pulp fibers with a resin system. The resin system can include a first polyamidoamine-epihalohydrin resin and a second resin that can include a second polyamidoamine-epihalohydrin resin, a urea-formaldehyde resin, or a mixture thereof to produce a paper product. The first resin and the second resin can be sequentially or simultaneously contacted with the plurality of pulp fibers. The period for sequential addition between the first resin and the second resin is about 1 second to about 1 hour.Type: GrantFiled: December 17, 2013Date of Patent: April 7, 2015Assignee: Georgia-Pacific Chemicals LLCInventors: Cornel Hagiopol, David F. Townsend, Clay E. Ringold, James W. Johnston, Robert McDonald, Metric M. Simpson, Frederick S. Potter
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Publication number: 20150090157Abstract: Methods for making composite products are provided. In at least one specific embodiment, the method can include combining a plurality of lignocellulose substrates, a free radical precursor, and a polyphenolic material to produce a mixture. The polyphenolic material can be in a liquid form, a solid form, or both when combined to produce the mixture. The method can also include maintaining the mixture at a temperature of less than 60° C. for at least 10 minutes while retaining at least 11 wt % of the free radical precursor charged to the mixture. The mixture can also include heating the mixture comprising at least 11 wt % of the free radical precursors charged to the mixture to a temperature of at least 60° C. to about 300° C. to produce a composite product.Type: ApplicationFiled: April 2, 2014Publication date: April 2, 2015Applicant: Georgia-Pacific Chemicals LLCInventors: Adam K. Sniady, Cornel Hagiopol, Derek L. Atkinson, Bobby L. Williamson, John B. Hines
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Publication number: 20140275361Abstract: Binder compositions and methods for making and using same are provided. In at least one specific embodiment, the binder composition can include at least one unsaturated compound having two or more unsaturated carbon-carbon bonds and at least one free radical precursor. At least one of the unsaturated carbon-carbon bonds can be a pi-bond that is not conjugated with an aromatic moiety and can be capable of free radical addition. The free radical precursor can be present in an amount of about 7 wt % to about 99 wt %, based on the weight of the one or more unsaturated compounds.Type: ApplicationFiled: March 12, 2014Publication date: September 18, 2014Applicant: Georgia-Pacific Chemicals LLCInventors: Bobby L. Williamson, Adam K. Sniady, Brian L. Swift, Ramji Srinivasan, Feng Jing, Cornel Hagiopol