Patents by Inventor Clay E. Ringold
Clay E. Ringold 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: 9689114Abstract: 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: GrantFiled: August 7, 2015Date of Patent: June 27, 2017Assignee: Georgia-Pacific Chemicals LLCInventors: Clay E. Ringold, Cornel Hagiopol, James W. Johnston, Frederick S. Potter
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Patent number: 9611590Abstract: 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: GrantFiled: November 7, 2014Date of Patent: April 4, 2017Assignee: Georgia-Pacific Chemicals LLCInventors: Clay E. Ringold, David F. Townsend, Cornel Hagiopol, Karla D. Favors, Thomas L. Wright
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Publication number: 20160368832Abstract: The disclosure provides strengthened products, including strengthened fibrous composite products and methods for making and using same and strengthened particulates, such as particulate fertilizer products, and methods for making and using same. The fibrous composite product can include a plurality of fibers and an at least partially cured strengthening resin. The fertilizer composition can include a particulate core that can include a plant nutrient, at least one coating layer of the strengthening resin, and at least one coating layer of a water insoluble material. The strengthening resin can include one or more aldehyde-based resins and one or more crosslinked resins. The crosslinked resin can include one or more polyamines at least partially crosslinked by one or more symmetric crosslinks and can include one or more azetidinium functional groups.Type: ApplicationFiled: June 17, 2016Publication date: December 22, 2016Applicant: Georgia-Pacific Chemicals LLCInventors: Clay E. Ringold, Kelly A. Shoemake, Arun Narayan
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Patent number: 9506196Abstract: 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: April 6, 2015Date of Patent: November 29, 2016Assignee: 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: 20160265163Abstract: 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: May 23, 2016Publication date: September 15, 2016Applicant: 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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Patent number: 9353483Abstract: 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: April 6, 2015Date of Patent: May 31, 2016Assignee: 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: 20160115315Abstract: Resins compositions and methods for making and using same. The resin composition can include a glyoxalated polyacrylamide resin and a polyamide-epihalohydrin resin. The polyamide-epihalohydrin resin can include a polyamine partially crosslinked with a bridging moiety and having azetidinium ions. The bridging moiety can be derived from a functionally symmetric crosslinker. A fiber product can include a plurality of fibers and the resin composition, where the resin composition can be at least partially cured.Type: ApplicationFiled: October 15, 2015Publication date: April 28, 2016Applicant: GEORGIA-PACIFIC CHEMICALS LLCInventors: Clay E. Ringold, David F. Townsend, Cornel Hagiopol, James W. Johnston
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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: 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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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: 20150129506Abstract: Methods for removing particulates from an aqueous suspension are provided. In at least one specific embodiment, the method can include mixing a polyamidoamine-epihalohydrin resin with an aqueous suspension comprising one or more first particulates to produce a treated mixture. An amount of the polyamidoamine-epihalohydrin resin in the treated mixture can be less than 500 g/tonne of the one or more first particulates. The method can also include recovering from the treated mixture a purified water having a reduced concentration of the one or more first particulates relative to the aqueous suspension, a purified first particulate product having a reduced concentration of water relative to the aqueous suspension, or both.Type: ApplicationFiled: November 6, 2014Publication date: May 14, 2015Applicant: Georgia-Pacific Chemicals LLCInventors: David R. Snead, Clay E. Ringold, Brian L. Swift
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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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Patent number: 8785593Abstract: A novel process for producing a polyamidoamine-epihalohydrin resin composition comprises (a) reacting a polyamidoamine with epihalohydrin to obtain a reaction mixture comprising a polyamidoamine-epihalohydrin resin; (b) adding a first acid to the reaction mixture obtained in step (a) to obtain an acid treatment composition; (c) adding a base to the acid treatment composition in step (b) to obtain a base treatment composition; and (d) adding a second acid to the base treatment composition in step (c) to obtain a polyamidoamine-epihalohydrin resin composition; wherein the polyamidoamine-epihalohydrin resin composition obtained in step (d) has less than about 700 ppm of dihalopropanol (DHP) and 3-halopropanediol (HPD).Type: GrantFiled: April 17, 2012Date of Patent: July 22, 2014Assignee: Georgia-Pacific Chemicals LLCInventors: Karla D. Favors, Clay E. Ringold, Yuping Luo, Cornel Hagiopol
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Publication number: 20140166223Abstract: 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: December 17, 2013Publication date: June 19, 2014Applicant: 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: 20140020858Abstract: 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: July 18, 2013Publication date: January 23, 2014Inventors: Clay E. Ringold, Cornel Hagiopol, Dexter C. Johnson