Patents by Inventor Dennis Sagl
Dennis Sagl 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: 20250066963Abstract: A crosslinkable stabilized composition for a nonwoven substrate includes an aqueous dispersion of vinyl acetate-ethylene copolymers, a polyvinyl alcohol dispersion stabilizer, and a copolymer comprising maleic anhydride units or a copolymer comprising maleic acid units. The composition exhibits a free formaldehyde content of 5 ppm or less.Type: ApplicationFiled: January 5, 2022Publication date: February 27, 2025Applicant: Wacker Chemie AGInventors: Dennis Sagl, John Boylan, Jennifer Plummer
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Patent number: 11326132Abstract: An antimicrobial nonwoven wet wipe includes i) a fibrous nonwoven substrate bonded with a cross-linkable VAE dispersion stabilized with one or more nonionic colloidal stabilizers and one or more nonionic surfactants, and ii) absorbed in the nonwoven substrate, an aqueous lotion including one or more cationic disinfectants. No anionic surfactants are present in the antimicrobial nonwoven wet wipe. A method of producing the antimicrobial nonwoven wet wipe includes a) applying a first aqueous composition including a crosslinkable VAE dispersion stabilized with one or more nonionic colloidal stabilizers and one or more nonionic surfactants to a nonwoven substrate; b) drying the composition; and c) applying a second aqueous composition to the product of step b). At least one of the first and second aqueous compositions includes one or more cationic disinfectants.Type: GrantFiled: May 3, 2017Date of Patent: May 10, 2022Assignee: Wacker Chemie AGInventors: John Richard Boylan, Dennis Sagl
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Publication number: 20210289778Abstract: An antimicrobial nonwoven wet wipe includes i) a fibrous nonwoven substrate bonded with a crosslinkable VAE dispersion stabilized with one or more cationic vinyl alcohol-N-vinyl amine copolymer protective colloids, and ii) an aqueous lotion containing a cationic disinfectants absorbed in the nonwoven substrate. No anionic surfactants are present. The antimicrobial nonwoven wet wipes are produced by a) applying an aqueous composition including a crosslinkable VAE dispersion stabilized with one or more cationic vinyl alcohol-N-vinyl amine copolymers to a nonwoven substrate; b) drying; and c) applying an aqueous composition to the product of step b). At least one of the first and second aqueous com-positions includes a cationic disinfectant.Type: ApplicationFiled: December 14, 2018Publication date: September 23, 2021Applicant: WACKER CHEMIE AGInventors: John BOYLAN, Dennis SAGL
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Patent number: 10968569Abstract: A crepe process includes applying an adhesive composition to a nonwoven web, drying, and creping the nonwoven web on a creping drum. The improvement includes using an adhesive composition that includes an aqueous copolymer dispersion obtained by emulsion polymerization of a monomer mixture including 65 to 94.5% by weight of vinyl acetate, 5 to 30% by weight of ethylene, (meth)acrylamide, and 0.1 to 4% by weight of an N-methylol functional monomer. The N-methylol functional monomer constitutes from 25 to 85% by weight of the combined amounts of acrylamide and N-methylol functional monomer, which combined amounts constitute from 0.5 to 5% by weight of the monomer mixture. The emulsion polymerization is performed in the presence of 1 to 10% by weight of polyvinyl alcohol, based on the total weight of all monomers used for the polymerization. The adhesive composition does not include alkylphenol ethoxylates, phosphate ester surfactants, or sodium laureth sulfate.Type: GrantFiled: April 21, 2017Date of Patent: April 6, 2021Assignee: WACKER CHEMIE AGInventors: John Richard Boylan, Dennis Sagl
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Publication number: 20200056124Abstract: An antimicrobial nonwoven wet wipe includes i) a fibrous nonwoven substrate bonded with a cross-linkable VAE dispersion stabilized with one or more nonionic colloidal stabilizers and one or more nonionic surfactants, and ii) absorbed in the nonwoven substrate, an aqueous lotion including one or more cationic disinfectants. No anionic surfactants are present in the antimicrobial nonwoven wet wipe. A method of producing the antimicrobial nonwoven wet wipe includes a) applying a first aqueous composition including a crosslinkable VAE dispersion stabilized with one or more nonionic colloidal stabilizers and one or more nonionic surfactants to a nonwoven substrate; b) drying the composition; and c) applying a second aqueous composition to the product of step b). At least one of the first and second aqueous compositions includes one or more cationic disinfectants.Type: ApplicationFiled: May 3, 2017Publication date: February 20, 2020Applicants: WACKER CHEMIE AGInventors: John Richard BOYLAN, Dennis SAGL
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Publication number: 20190127916Abstract: A crepe process includes applying an adhesive composition to a nonwoven web, drying, and creping the nonwoven web on a creping drum. The improvement includes using an adhesive composition that includes an aqueous copolymer dispersion obtained by emulsion polymerization of a monomer mixture including 65 to 94.5% by weight of vinyl acetate, 5 to 30% by weight of ethylene, (meth)acrylamide, and 0.1 to 4% by weight of an N-methylol functional monomer. The N-methylol functional monomer constitutes from 25 to 85% by weight of the combined amounts of acrylamide and N-methylol functional monomer, which combined amounts constitute from 0.5 to 5% by weight of the monomer mixture. The emulsion polymerization is performed in the presence of 1 to 10% by weight of polyvinyl alcohol, based on the total weight of all monomers used for the polymerization. The adhesive composition does not include alkylphenol ethoxylates, phosphate ester surfactants, or sodium laureth sulfate.Type: ApplicationFiled: April 21, 2017Publication date: May 2, 2019Inventors: John Richard BOYLAN, Dennis SAGL
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Patent number: 9382341Abstract: An aqueous carpet coating composition includes a particulate filler, a polymeric thickener and an aqueous dispersion of a copolymer that includes vinyl acetate units and ethylene units. The dispersion stabilization system includes a) 1.5 to 3 wt % of a combination of polyvinyl alcohols including a1) one or more partially hydrolyzed polyvinyl alcohols with a degree of hydrolysis of 85 to 95 mol % and a Hoeppler viscosity of 10-33 mPa·s, and a2) one or more highly hydrolyzed polyvinyl alcohols with a degree of hydrolysis of 98 to 100 mol % and a Hoeppler viscosity of 10-33 mPa·s; and b) 1.5 to 3 wt % of an emulsifier component consisting of one or more nonionic emulsifiers and one or more anionic emulsifiers. The dispersion has a viscosity of ?1500 mPa·s and the viscosity of the coating composition is 6000 to 7000 mPa·s.Type: GrantFiled: September 27, 2012Date of Patent: July 5, 2016Assignee: WACKER CHEMICAL CORPORATIONInventors: Dennis Sagl, John McClurken, Ronald Joseph Pangrazi
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Publication number: 20140087120Abstract: An aqueous carpet coating composition includes a particulate filler, a polymeric thickener and an aqueous dispersion of a copolymer that includes vinyl acetate units and ethylene units. The dispersion stabilization system includes a) 1.5 to 3 wt % of a combination of polyvinyl alcohols including a1) one or more partially hydrolyzed polyvinyl alcohols with a degree of hydrolysis of 85 to 95 mol % and a Hoeppler viscosity of 10-33 mPa·s, and a2) one or more highly hydrolyzed polyvinyl alcohols with a degree of hydrolysis of 98 to 100 mol % and a Hoeppler viscosity of 10-33 mPa·s; and b) 1.5 to 3 wt % of an emulsifier component consisting of one or more nonionic emulsifiers and one or more anionic emulsifiers. The dispersion has a viscosity of ?1500 mPa·s and the viscosity of the coating composition is 6000 to 7000 mPa·s.Type: ApplicationFiled: September 27, 2012Publication date: March 27, 2014Applicant: Wacker Chemical CorporationInventors: Dennis Sagl, John McClurken, Ronald Joseph Pangrazi
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Publication number: 20130149929Abstract: An aqueous composition includes a blend of: a) an aqueous dispersion of an N-methylol-containing vinyl acetate ethylene or vinyl acetate polymer, stabilized by polyvinyl alcohol and optionally also by a surfactant, wherein N-methylol-containing monomer units constitute from 0.025 to 0.4 wt % of the polymer; and b) an acid. The invention provides a method of increasing the wet strength of a fibrous nonwoven substrate, including applying to the substrate the above aqueous composition, followed by a drying step. A fibrous nonwoven article is thereby provided.Type: ApplicationFiled: December 7, 2011Publication date: June 13, 2013Applicant: Wacker Chemical CorporationInventors: John Richard Boylan, Dennis Sagl
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Patent number: 7628888Abstract: A composition includes at least one hydrophilic polymer containing primary (—NH2) and/or secondary (—NHR) amine groups and at least one saccharide containing a reducible function. A method of increasing the strength of paper includes the step of contacting the paper with a composition comprising (i) at least one hydrophilic polymer containing at least two groups which are independently the same or different a primary amine group or a secondary amine group and at least one saccharide containing a reducible function. A hydrogel composition is formed from a mixture of at least one hydrophilic polymer containing at least two groups which are independently the same or different a primary amine group or a secondary amine group and at least one saccharide containing a reducible function.Type: GrantFiled: June 12, 2006Date of Patent: December 8, 2009Assignee: University of Pittsburgh—Of the Commonwealth System of Higher EducationInventors: Eric J. Beckman, W. Eamon Carroll, Toby Chapman, Kristen E. Minnich, Dennis Sagl, Richard J. Goddard
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Patent number: 7619017Abstract: This invention is directed to a method of preserving polymer emulsions against biodeteriogenic microbe attack and spoilage by combining with the polymer emulsions selected cationic compounds and an ethylenediamine acid compound. The polymer emulsions contain surfactants and/or anionic constituents. It is also directed to polymer emulsion compositions, that are resistant to spoilage by biodeteriogenic microbes, containing surfactants and/or anionic constituents, an ethylenediamine acid compound, and cationic compounds.Type: GrantFiled: May 19, 2003Date of Patent: November 17, 2009Assignee: Wacker Chemical CorporationInventors: John Joseph Rabasco, Dennis Sagl
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Patent number: 7485590Abstract: This invention is directed to an improvement in nonwoven products comprised of a nonwoven web of fibers bonded together with polymeric binder comprised of emulsion polymerized units of vinyl acetate, ethylene, and a crosslinking monomer. The polymer is stabilized with a surfactant having a critical micelle concentration of about 0.5 to 3% by weight. The surfactant is employed in the polymerization in an amount less than 1% by weight, based upon the total weight of polymer.Type: GrantFiled: September 29, 2006Date of Patent: February 3, 2009Inventors: John Joseph Rabasco, John Richard Boylan, Dennis Sagl, Ronald Bernal Jones
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Publication number: 20080081530Abstract: This invention is directed to an improvement in nonwoven products comprised of a nonwoven web of fibers bonded together with polymeric binder comprised of emulsion polymerized units of vinyl acetate, ethylene, and a crosslinking monomer. The polymer is stabilized with a surfactant having a critical micelle concentration of about 0.5 to 3% by weight. The surfactant is employed in the polymerization in an amount less than 1% by weight, based upon the total weight of polymer.Type: ApplicationFiled: September 29, 2006Publication date: April 3, 2008Inventors: John Joseph Rabasco, John Richard Boylan, Dennis Sagl, Ronald Bernal Jones
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Publication number: 20060231228Abstract: A composition includes at least one hydrophilic polymer containing primary (—NH2) and/or secondary (—NHR) amine groups and at least one saccharide containing a reducible function. A method of increasing the strength of paper includes the step of contacting the paper with a composition comprising (i) at least one hydrophilic polymer containing at least two groups which are independently the same or different a primary amine group or a secondary amine group and at least one saccharide containing a reducible function. A hydrogel composition is formed from a mixture of at least one hydrophilic polymer containing at least two groups which are independently the same or different a primary amine group or a secondary amine group and at least one saccharide containing a reducible function.Type: ApplicationFiled: June 12, 2006Publication date: October 19, 2006Inventors: Eric Beckman, W. Carroll, Toby Chapman, Kristen Minnich, Dennis Sagl, Richard Goddard
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Patent number: 7090745Abstract: A composition includes at least one hydrophilic polymer containing primary (—NH2) and/or secondary (—NHR) amine groups and at least one saccharide containing a reducible function. A method of increasing the strength of paper includes the step of contacting the paper with a composition comprising (i) at least one hydrophilic polymer containing at least two groups which are independently the same or different a primary amine group or a secondary amine group and at least one saccharide containing a reducible function. A hydrogel composition is formed from a mixture of at least one hydrophilic polymer containing at least two groups which are independently the same or different a primary amine group or a secondary amine group and at least one saccharide containing a reducible function.Type: GrantFiled: September 23, 2002Date of Patent: August 15, 2006Assignee: University of PittsburghInventors: Eric J. Beckman, W. Eamon Carroll, Toby Chapman, Kristen E. Minnich, Dennis Sagl, Richard J. Goddard
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Patent number: 6890969Abstract: This invention is directed to a method of preserving colloid-stabilized polymer emulsions against microbial attack and spoilage using selected cationic compounds. It is also directed to compositions containing colloid-stabilized polymer emulsions and cationic compounds that are resistant to contamination with biodeteriogenic microbes. It has been discovered that specific cationic compounds are particularly effective against biodeteriogenic microbes in preserving polymer emulsions that have been stabilized with protective colloids, such as poly(vinyl alcohol). Examples of suitable microbicidal cationic compounds are: substituted pyridinium salts, substituted guanidine salts, tetrasubstituted ammonium salts, and polymeric cationic compounds.Type: GrantFiled: November 29, 2001Date of Patent: May 10, 2005Assignee: Air Products Polymers, L.P.Inventors: John Joseph Rabasco, Dennis Sagl
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Publication number: 20040235982Abstract: This invention is directed to a method of preserving polymer emulsions against biodeteriogenic microbe attack and spoilage by combining with the polymer emulsions selected cationic compounds and an ethylenediamine acid compound. The polymer emulsions contain surfactants and/or anionic constituents. It is also directed to polymer emulsion compositions, that are resistant to spoilage by biodeteriogenic microbes, containing surfactants and/or anionic constituents, an ethylenediamine acid compound, and cationic compounds.Type: ApplicationFiled: May 19, 2003Publication date: November 25, 2004Inventors: John Joseph Rabasco, Dennis Sagl
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Publication number: 20040050513Abstract: A composition includes at least one hydrophilic polymer containing primary (—NH2) and/or secondary (—NHR) amine groups and at least one saccharide containing a reducible function. A method of increasing the strength of paper includes the step of contacting the paper with a composition comprising (i) at least one hydrophilic polymer containing at least two groups which are independently the same or different a primary amine group or a secondary amine group and at least one saccharide containing a reducible function. A hydrogel composition is formed from a mixture of at least one hydrophilic polymer containing at least two groups which are independently the same or different a primary amine group or a secondary amine group and at least one saccharide containing a reducible function.Type: ApplicationFiled: September 23, 2002Publication date: March 18, 2004Inventors: Eric J. Beckman, W. Eamon Carroll, Toby Chapman, Kristen E. Minnich, Dennis Sagl, Richard J. Goddard
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Publication number: 20020099113Abstract: This invention is directed to a method of preserving colloid-stabilized polymer emulsions against microbial attack and spoilage using selected cationic compounds. It is also directed to compositions containing colloid-stabilized polymer emulsions and cationic compounds that are resistant to contamination with biodeteriogenic microbes. It has been discovered that specific cationic compounds are particularly effective against biodeteriogenic microbes in preserving polymer emulsions that have been stabilized with protective colloids, such as poly(vinyl alcohol). Examples of suitable microbicidal cationic compounds are: substituted pyridinium salts, substituted guanidine salts, tetrasubstituted ammonium salts, and polymeric cationic compounds.Type: ApplicationFiled: November 29, 2001Publication date: July 25, 2002Inventors: John Joseph Rabasco, Dennis Sagl
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Patent number: 5753753Abstract: This invention relates to an improved process for producing a vinyl alcohol containing polymer having a narrow particle size without substantial reactor fouling. The process for producing the vinyl alcohol containing polymer involves hydrolyzing a vinyl ester containing polymer, e.g., a polymer containing polymerized vinyl alkanoate units in the presence of an alcoholic medium and a hydrolysis catalyst in the presence of an alcoholic medium having finely divided, inert material such as an alkali metal carbonate dispersed therein. The finely divided inert material acts as nucleating sites for the polyvinyl alcohol as it precipitates from the solution during hydrolysis.Type: GrantFiled: February 19, 1997Date of Patent: May 19, 1998Assignee: Air Products and Chemicals, Inc.Inventors: Kien Van Phung, Dennis Sagl