Patents by Inventor Melinda L. Einsla
Melinda L. Einsla 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: 11760822Abstract: Disclosed is a method comprising: a) dispersing a first monomer mixture comprising least one least monomer, the first monomer mixture having a total glass transition temperature (Tg) in the range of from ?10° C. to ?65° C. with a surfactant and an initiator in an aqueous medium; b) when the first monomer mixture is completely dispersed, adding a second monomer mixture comprising at least one monomer, the second monomer mixture having a Tg at least 20° C. greater than the Tg of the first monomer mixture, to the aqueous medium; c) when the second monomer mixture is completely dispersed, adding a third monomer mixture comprising at least one monomer, the third monomer mixture having a Tg in the range of from ?25° C. to 50° C.; and d) forming a polymer with the first, second, and third monomer mixtures. Also disclosed is a pressure sensitive adhesive comprising the polymer formed by this method.Type: GrantFiled: March 2, 2016Date of Patent: September 19, 2023Assignee: Rohm and Haas CompanyInventors: Melinda L. Einsla, Steven R. Patrick, William B. Griffith, Jr., Paul Nedwick
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Publication number: 20230145320Abstract: The present invention relates to a process for preparing a blend of comprising an aqueous dispersion of polymer particles, a PMHS, an opacifying pigment, and an extender. The blend of the present invention is useful in exterior paint applications, especially where retention of color in the painted substrate is important.Type: ApplicationFiled: April 12, 2021Publication date: May 11, 2023Inventors: Juan F. Callejas, Melinda L. Einsla, Jeffrey J. Sobczak, Mark D. Westmeyer
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Publication number: 20220242982Abstract: Activatable adhesive compositions are disclosed. The activatable adhesive compositions comprise a two-stage polymer particle, comprising a first stage comprising a hydrophilic acrylic polymer having an acid content of less than 200 mg KOH/g, a second stage polymerized within the first stage and comprising a hydrophobic acrylic polymer, and a tackifier soluble in the first stage and the second stage. Further, linerless labels and tapes comprising activatable adhesive compositions are disclosed. Still further, methods for adhering a first substrate to a second substrate using an activatable adhesive composition are also disclosed.Type: ApplicationFiled: April 25, 2022Publication date: August 4, 2022Inventors: Melinda L. Einsla, Daniel W. Himmelberger, William B. Griffith, JR., Sarah Zolynski
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Patent number: 11345770Abstract: Activatable adhesive compositions are disclosed. The activatable adhesive compositions comprise a two-stage polymer particle, comprising a first stage comprising a hydrophilic acrylic polymer having an acid content of less than 200 mg KOH/g, a second stage polymerized within the first stage and comprising a hydrophobic acrylic polymer, and a tackifier soluble in the first stage and the second stage. Further, linerless labels and tapes comprising activatable adhesive compositions are disclosed. Still further, methods for adhering a first substrate to a second substrate using an activatable adhesive composition are also disclosed.Type: GrantFiled: July 25, 2017Date of Patent: May 31, 2022Assignee: Rohm and Haas CompanyInventors: Melinda L. Einsla, Daniel W. Himmelberger, William B. Griffith, Jr., Sarah Zolynski
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Patent number: 10731053Abstract: A thermally reversible adhesive comprising a) a copolymer of i) a conjugated diene acrylate or methacrylate and ii) at least one acrylic monomer; and b) a bismaleimide crosslinking agent, a process for its preparation, and various end uses, are disclosed.Type: GrantFiled: September 21, 2016Date of Patent: August 4, 2020Assignee: Rohm and Haas CompanyInventors: Daniel W. Himmelberger, Melinda L. Einsla, William B. Griffith, Jr., Brandon Rowe
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Publication number: 20200079979Abstract: Water-based pressure sensitive adhesive compositions are disclosed comprising (a) an acrylic emulsion having a glass transition temperature of less than or equal to 20° C., (b) optionally, a dispersant or a silane-containing compound, and (c) an ethylene or propylene copolymer emulsion. In some embodiments, (a) comprises from 75 to 99 wt % of the compositions, (b), when present, comprises from 0.1 to 5 wt % of the compositions, and (c) comprises from 0.1 to 25 wt % of the composition, each based on the dry weight of the compositions. Methods for preparing water-based pressure sensitive adhesive compositions are also disclosed comprising emulsion polymerizing at least one unsaturated monomer, thereby forming an emulsion polymer having a glass transition temperature of less than or equal to ?10° C. and blending the emulsion polymer together with a dispersant or silane-containing compound and an ethylene or propylene copolymer emulsion.Type: ApplicationFiled: March 13, 2017Publication date: March 12, 2020Applicants: Rohm and Haas Company, Dow Global Technologies LLCInventors: Mario De Filippis, Miao Yang, Cathie Seyfried, Zhaohui Qu, Isabelle Uhl, Melinda L. Einsla, Kalyan Sehanobish, William B. Griffith, Jr., Vinita Yadav
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Publication number: 20190233689Abstract: Activatable adhesive compositions are disclosed. The activatable adhesive compositions comprise a two-stage polymer particle, comprising a first stage comprising a hydrophilic acrylic polymer having an acid content of less than 200 mg KOH/g, a second stage polymerized within the first stage and comprising a hydrophobic acrylic polymer, and a tackifier soluble in the first stage and the second stage. Further, linerless labels and tapes comprising activatable adhesive compositions are disclosed. Still further, methods for adhering a first substrate to a second substrate using an activatable adhesive composition are also disclosed.Type: ApplicationFiled: July 25, 2017Publication date: August 1, 2019Inventors: Melinda L. Einsla, Daniel W. Himmelberger, William B. Griffith, JR., Sarah Zolynski
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Publication number: 20180346764Abstract: A thermally reversible adhesive comprising a) a copolymer of i) a conjugated diene acrylate or methacrylate and ii) at least one acrylic monomer; and b) a bismaleimide crosslinking agent, a process for its preparation, and various end uses, are disclosed.Type: ApplicationFiled: September 21, 2016Publication date: December 6, 2018Inventors: Daniel W. Himmelberger, Melinda L. Einsla, William B. Griffith, Brandon Rowe
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Publication number: 20180086867Abstract: Disclosed is a method comprising: a) dispersing a first monomer mixture comprising least one least monomer, the first monomer mixture having a total glass transition temperature (Tg) in the range of from ?10° C. to ?65° C. with a surfactant and an initiator in an aqueous medium; b) when the first monomer mixture is completely dispersed, adding a second monomer mixture comprising at least one monomer, the second monomer mixture having a Tg at least 20° C. greater than the Tg of the first monomer mixture, to the aqueous medium; c) when the second monomer mixture is completely dispersed, adding a third monomer mixture comprising at least one monomer, the third monomer mixture having a Tg in the range of from ?25° C. to 50° C.; and d) forming a polymer with the first, second, and third monomer mixtures. Also disclosed is a pressure sensitive adhesive comprising the polymer formed by this method.Type: ApplicationFiled: March 2, 2016Publication date: March 29, 2018Inventors: Melinda L. Einsla, Steven R. Patrick, William B. Griffith, JR., Paul Nedwick
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Patent number: 9453148Abstract: A composition having three components. The first component is from 20 to 80 wt % of a styrene-diene block copolymer having from 10-30 wt % polymerized units of styrene, wherein the block copolymer is present as a dispersion of copolymer in water, and the dispersion contains less than 5 wt % organic solvent based on total dispersion weight. The second component is from 0.5 to 20 wt % of a plasticizer. The third component is from 20 to 80 wt % of a tackifier.Type: GrantFiled: December 2, 2013Date of Patent: September 27, 2016Assignees: Dow Global Technologies LLC, Rohm and Haas CompanyInventors: Melinda L. Einsla, William B. Griffith, Jr., Daniel W. Himmelberger, Melissa Lane, David L. Malotky
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Publication number: 20150368521Abstract: A composition having three components. The first component is from 20 to 80 wt % of a styrene-diene block copolymer having from 10-30 wt % polymerized units of styrene, wherein the block copolymer is present as a dispersion of copolymer in water, and the dispersion contains less than 5 wt % organic solvent based on total dispersion weight. The second component is from 0.5 to 20 wt % of a plasticizer. The third component is from 20 to 80 wt % of a tackifier.Type: ApplicationFiled: December 2, 2013Publication date: December 24, 2015Inventors: Melinda L. Einsla, William B. Griffith, Jr., Daniel W. Himmelberger, Melissa Lane, David L. Malotky
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Patent number: 8680205Abstract: A method for improving flow of a two-component urethane system by adding a hydroxy-functional acrylic polymer.Type: GrantFiled: July 12, 2012Date of Patent: March 25, 2014Assignee: Rohm and Haas CompanyInventors: Larry F. Brinkman, Mai Chen, David E. Vietti, Melinda L. Einsla, Joseph James Zupancic
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Publication number: 20130041107Abstract: A method for producing a photovoltaic module by contacting at least one layer of liquid encapsulant and a plurality of solar cells. The liquid encapsulant has two components. The first component is an acrylic polyol having a terminal hydroxy group, an average number of hydroxy-functional monomer units per polymer chain from 2 to 25 and Mn from 1,000 to 10,000. The second component is an aliphatic polyisocyanate with an average functionality of at least two. The molar ratio of non-terminal hydroxy groups in the polyol to isocyanate groups in the aliphatic polyisocyanate is from 0.5:1 to 1:0.5.Type: ApplicationFiled: October 18, 2012Publication date: February 14, 2013Inventors: Melinda L. Einsla, Edward C. Greer, Hailan Guo
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Publication number: 20130018152Abstract: A method for improving flow of a two-component urethane system by adding a hydroxy-functional acrylic polymer.Type: ApplicationFiled: July 12, 2012Publication date: January 17, 2013Inventors: Larry F. Brinkman, Mai Chen, David E. Vietti, Melinda L. Einsla, Joseph James Zupancic
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Patent number: 8313973Abstract: A method for producing a photovoltaic module by contacting at least one layer of liquid encapsulant and a plurality of solar cells. The liquid encapsulant has two components. The first component is an acrylic polyol having a terminal hydroxy group, an average number of hydroxy-functional monomer units per polymer chain from 2 to 25 and Mn from 1,000 to 10,000. The second component is an aliphatic polyisocyanate with an average functionality of at least two. The molar ratio of non-terminal hydroxy groups in the polyol to isocyanate groups in the aliphatic polyisocyanate is from 0.5:1 to 1:0.5.Type: GrantFiled: January 11, 2011Date of Patent: November 20, 2012Assignee: Rohm and Haas CompanyInventors: Melinda L. Einsla, Edward C. Greer, Hailan Guo
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Patent number: 8211734Abstract: A method for producing a photovoltaic module by forming solar cells on a glass plate and contacting at least one layer of liquid encapsulant with the solar cells. The liquid encapsulant has two components. The first component is an acrylic polyol having an average number of hydroxy-functional monomer units per polymer chain from 2 to 25 and Mn from 1,000 to 10,000. The second component is a polyisocyanate with an average functionality of at least two. The molar ratio of non-terminal hydroxy groups in the polyol to isocyanate groups in the polyisocyanate is from 0.5:1 to 1:0.5.Type: GrantFiled: January 11, 2011Date of Patent: July 3, 2012Assignee: Rohm and Haas CompanyInventors: Melinda L. Einsla, Edward C. Greer, Hailan Guo
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Publication number: 20110171771Abstract: A method for producing a photovoltaic module by forming solar cells on a glass plate and contacting at least one layer of liquid encapsulant with the solar cells. The liquid encapsulant has two components. The first component is an acrylic polyol having an average number of hydroxy-functional monomer units per polymer chain from 2 to 25 and Mn from 1,000 to 10,000. The second component is a polyisocyanate with an average functionality of at least two. The molar ratio of non-terminal hydroxy groups in the polyol to isocyanate groups in the polyisocyanate is from 0.5:1 to 1:0.5.Type: ApplicationFiled: January 11, 2011Publication date: July 14, 2011Inventors: Melinda L. Einsla, Edward C. Greer, Hailan Guo
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Publication number: 20110171772Abstract: A method for producing a photovoltaic module by contacting at least one layer of liquid encapsulant and a plurality of solar cells. The liquid encapsulant has two components. The first component is an acrylic polyol having a terminal hydroxy group, an average number of hydroxy-functional monomer units per polymer chain from 2 to 25 and Mn from 1,000 to 10,000. The second component is an aliphatic polyisocyanate with an average functionality of at least two. The molar ratio of non-terminal hydroxy groups in the polyol to isocyanate groups in the aliphatic polyisocyanate is from 0.5:1 to 1:0.5.Type: ApplicationFiled: January 11, 2011Publication date: July 14, 2011Inventors: Melinda L. Einsla, Edward C. Greer, Hailan Guo