Patents by Inventor Eric C. Greyson
Eric C. Greyson 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: 12338364Abstract: The present invention relates to a method comprising the steps of a) applying a 0.1-mm to 2-mm thick layer of a pigmented coating composition onto a cement, concrete, or asphalt substrate, and b) allowing the coating to composition to dry. The method of the present invention is useful for preparing a traffic paint with improved color retention and durability.Type: GrantFiled: May 20, 2022Date of Patent: June 24, 2025Assignees: Rohm and Haas Company, Dow Global Technologies LLCInventors: Eric C. Greyson, Joy A. Gallagher, Richard Cooper
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Publication number: 20250109301Abstract: The present invention relates to a method comprising the steps of a) applying a 0.1-mm to 2-mm thick layer of a pigmented coating composition onto a cement, concrete, or asphalt substrate, and b) allowing the coating to composition to dry. The method of the present invention is useful for preparing a traffic paint with improved color retention and durability.Type: ApplicationFiled: May 20, 2022Publication date: April 3, 2025Inventors: Eric C. Greyson, Joy A. Gallagher, Richard Cooper
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Publication number: 20240247151Abstract: The present invention relates to a composition comprising an aqueous dispersion of a) film-forming polymer particles; b) non-film-forming polymer particles; c) an extender, d) a pigment; and e) ammonia or an amine or a salt thereof. The composition of the present invention is useful as a formulation used in traffic paints.Type: ApplicationFiled: May 20, 2022Publication date: July 25, 2024Inventors: Eric C. Greyson, Joy A. Gallagher, Richard Cooper
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Patent number: 11097307Abstract: The present invention relates to a method comprising the steps of: a) contacting an acrylate monomer, a carboxylic acid monomer, and a chain transfer agent under free radical polymerization conditions to form a solution of a polymer having an Mn in the range of from 5,000 to 50,000 Daltons; b) contacting the solution with a base and an ethylenically unsaturated glycidyl functionalized monomer to form a solution of an ethylenically unsaturated acrylate polymer; c) contacting the solution of the ethylenically unsaturated functionalized acrylate polymer with water to form an aqueous dispersion of ethylenically unsaturated functionalized acrylate polymers; and d) removing the organic solvent. The method of the present invention provides a composition suitable for use as a UV curable coating that achieves an excellent balance of hardness, flexibility, and warmth with less reliance on costly MFAs.Type: GrantFiled: June 5, 2019Date of Patent: August 24, 2021Assignees: Dow Global Technologies LLC., Rohm and Haas CompanyInventors: Eric C. Greyson, Charles R. Hegedus, Andrew Hejl, Rebecca L. Ladewski, Erin B. Vogel, Wenqin Wang
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Patent number: 10961410Abstract: The present invention relates to a method comprising an aqueous dispersion of polymer particles having a backbone comprising structural units of an acrylate monomer and a carboxylic acid monomer, wherein a portion of the structural units of the carboxylic acid monomer are functionalized with glycidyl methacrylate, wherein the glycidyl methacrylate functionalized polymer particles have a number average molecular weight in the range of 5,000 to 50,000 Daltons. The composition of the present invention provides a UV curable coating that achieves an excellent balance of hardness and flexibility, with less reliance on the use of multifunctional acrylates.Type: GrantFiled: June 5, 2019Date of Patent: March 30, 2021Assignees: Rohm and Haas Company, Dow Global Technologies, LLC.Inventors: Eric C. Greyson, Charles R. Hegedus, Andrew Hejl, Rebecca L. Ladewski, Erin B. Vogel, Wenqin Wang
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Patent number: 10889731Abstract: The present invention provides stable, quick drying aqueous compositions useful in making traffic markings having excellent low temperature flexibility which comprise (i) one or more vinyl or acrylic emulsion polymers chosen from single stage and multi-stage emulsion polymers, the polymer or at least one stage thereof having both a calculated glass transition temperature (calculated Tg) of from ?25 to 0° C., and a calculated Hansch parameter of 1.4 to 2.25, and (iii) one or more fillers, extenders and/or pigments, wherein the composition has a percent pigment volume concentration (% PVC) of from 50 to 80% and, preferably, a volume solids of from 50 to 75%. The compositions may comprise one or more silanes, and one or more polyamines and a volatile base, such as ammonia.Type: GrantFiled: March 24, 2017Date of Patent: January 12, 2021Assignee: Rohm and Haas CompanyInventors: James C. Bohling, Joy A. Gallagher, Eric C. Greyson, Mary Anne R. Matthews
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Patent number: 10662337Abstract: The present invention relates to a coating composition comprising an aqueous dispersion of a) carboxylate salt functionalized first thermoplastic polymer particles; b) second thermoplastic polymer particles imbibed with a thermosettable compound and functionalized with anti-agglomerating groups; c) an extender; and d) a volatile base. The composition of the present invention is suitable as a waterborne quick-set formulation useful as a traffic paint.Type: GrantFiled: September 18, 2018Date of Patent: May 26, 2020Assignee: Rohm and Haas CompanyInventors: Sarah E. Decato, Joy A. Gallagher, Eric C. Greyson, Zhenwen Fu
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Patent number: 10513594Abstract: The present invention provides aqueous polymer compositions containing one or more, or, preferably, two or more markers selected from a C1-C12 alkyl phenyl ether having a formula Ph(R2)m(OR1)n, wherein Ph is an aromatic ring containing group having from six to nine carbon atoms, R1 is a C1-C12 alkyl group, R2 is a C1-C12 alkyl group, m is an integer of from 0 to 5, n is an integer of from 1 to 3, and (m+n) is an integer of from 1 to 6. The markers are readily detectable, such as by mass spectroscopy, upon solvent extraction and separation from the aqueous polymer compositions, or from dried or cured coatings, film or layers thereof.Type: GrantFiled: October 20, 2017Date of Patent: December 24, 2019Assignees: Dow Global Technologies LLC, Rohm and Haas CompanyInventors: Peilin Yang, Eric C. Greyson, Zhenwen Fu, Zahid Asif
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Publication number: 20190366379Abstract: The present invention relates to a method comprising the steps of: a) contacting an acrylate monomer, a carboxylic acid monomer, and a chain transfer agent under free radical polymerization conditions to form a solution of a polymer having an Mn in the range of from 5,000 to 50,000 Daltons; b) contacting the solution with a base and an ethylenically unsaturated glycidyl functionalized monomer to form a solution of an ethylenically unsaturated acrylate polymer; c) contacting the solution of the ethylenically unsaturated functionalized acrylate polymer with water to form an aqueous dispersion of ethylenically unsaturated functionalized acrylate polymers; and d) removing the organic solvent. The method of the present invention provides a composition suitable for use as a UV curable coating that achieves an excellent balance of hardness, flexibility, and warmth with less reliance on costly MFAs.Type: ApplicationFiled: June 5, 2019Publication date: December 5, 2019Inventors: Eric C. Greyson, Charles R. Hegedus, Andrew Hejl, Rebecca L. Ladewski, Erin B. Vogel, Wenqin Wang
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Publication number: 20190367766Abstract: The present invention relates to a method comprising an aqueous dispersion of polymer particles having a backbone comprising structural units of an acrylate monomer and a carboxylic acid monomer, wherein a portion of the structural units of the carboxylic acid monomer are functionalized with glycidyl methacrylate, wherein the glycidyl methacrylate functionalized polymer particles have a number average molecular weight in the range of 5,000 to 50,000 Daltons. The composition of the present invention provides a UV curable coating that achieves an excellent balance of hardness and flexibility, with less reliance on the use of multifunctional acrylates.Type: ApplicationFiled: June 5, 2019Publication date: December 5, 2019Inventors: Eric C. Greyson, Charles R. Hegedus, Andrew Hejl, Rebecca L. Ladewski, Erin B. Vogel, Wenqin Wang
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Patent number: 10414899Abstract: The present invention provides aqueous polymer compositions containing one or more, or, preferably, two or more triphenylmethyl alkyl aryl ether markers having a formula (Ph3C)mAr(OR)n, wherein Ph is a phenyl group, Ar is an aromatic ring containing group having from six to twenty carbon atoms, R is a C1-C18 alkyl group, m is an integer of from 1 to 2, and n is an integer of from 1 to 4. The markers are readily detectable, such as by mass spectroscopy, upon solvent extraction and separation from the aqueous polymer compositions, or from dried or cured coatings, film or layers thereof.Type: GrantFiled: October 20, 2017Date of Patent: September 17, 2019Assignees: Dow Global Technologies LLC, Rohm and Haas CompanyInventors: Zahid Asif, Zhenwen Fu, Eric C. Greyson, Peilin Yang
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Publication number: 20190106577Abstract: The present invention relates to a coating composition comprising an aqueous dispersion of a) carboxylate salt functionalized first thermoplastic polymer particles; b) second thermoplastic polymer particles imbibed with a thermosettable compound and functionalized with anti-agglomerating groups; c) an extender; and d) a volatile base. The composition of the present invention is suitable as a waterborne quick-set formulation useful as a traffic paint.Type: ApplicationFiled: September 18, 2018Publication date: April 11, 2019Inventors: Sarah E. Decato, Joy A. Gallagher, Eric C. Greyson, Zhenwen Fu
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Publication number: 20190077983Abstract: The present invention provides stable, quick drying aqueous compositions useful in making traffic markings having excellent low temperature flexibility which comprise (i) one or more vinyl or acrylic emulsion polymers chosen from single stage and multi-stage emulsion polymers, the polymer or at least one stage thereof having both a calculated glass transition temperature (calculated Tg) of from ?25 to 0° C., and a calculated Hansch parameter of 1.4 to 2.25, and (iii) one or more fillers, extenders and/or pigments, wherein the composition has a percent pigment volume concentration (% PVC) of from 50 to 80% and, preferably, a volume solids of from 50 to 75%. The compositions may comprise one or more silanes, and one or more polyamines and a volatile base, such as ammonia.Type: ApplicationFiled: March 24, 2017Publication date: March 14, 2019Inventors: James C. Bohling, Joy A. Gallagher, Eric C. Greyson, Mary Anne R. Matthews, Matthews
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Publication number: 20180346632Abstract: A method of making polymer particles having an average diameter from 100 nm to 10 ?m, where each particle comprises: (a) a core; and (b) lobes comprising 24 to 50 wt % polymerized residues of at least one C3-C6 carboxylic acid monomer.Type: ApplicationFiled: August 2, 2018Publication date: December 6, 2018Inventors: Marianne P. Creamer, Gary W. Dombrowski, Eric C. Greyson, Eric P. Wasserman
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Patent number: 10000661Abstract: Provided is a binder composition and its use in aqueous based paints and coatings and other applications. The binder composition comprises: a polyurethane dispersion containing water and a polyurethane polymer, wherein the polyurethane polymer is prepared by reacting a nitroalcohol compound, a polyol compound, a polyisocyanate compound, and optionally chain extenders, wherein the nitroalcohol compound is of formula I, wherein R, R1, and Z are as defined herein.Type: GrantFiled: November 13, 2013Date of Patent: June 19, 2018Assignee: ANGUS Chemical CompanyInventors: Patrick E. Brutto, George D. Green, Zhenwen Fu, Eric C. Greyson, Andrew Hejl, Jia Tang
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Publication number: 20180148565Abstract: The present invention provides aqueous polymer compositions containing one or more, or, preferably, two or more triphenylmethyl alkyl aryl ether markers having a formula (Ph3C)mAr(OR)n, wherein Ph is a phenyl group, Ar is an aromatic ring containing group having from six to twenty carbon atoms, R is a C1-C18 alkyl group, m is an integer of from 1 to 2, and n is an integer of from 1 to 4. The markers are readily detectable, such as by mass spectroscopy, upon solvent extraction and separation from the aqueous polymer compositions, or from dried or cured coatings, film or layers thereof.Type: ApplicationFiled: October 20, 2017Publication date: May 31, 2018Inventors: Zahid Asif, Zhenwen Fu, Eric C. Greyson, Peilin Yang
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Publication number: 20180148564Abstract: The present invention provides aqueous polymer compositions containing one or more, or, preferably, two or more markers selected from a C1-C12 alkyl phenyl ether having a formula Ph(R2)m(OR1)r, wherein Ph is an aromatic ring containing group having from six to nine carbon atoms, R1 is a C1-C12 alkyl group, R2 is a C1-C12 alkyl group, m is an integer of from 0 to 5, n is an integer of from 1 to 3, and (m+n) is an integer of from 1 to 6. The markers are readily detectable, such as by mass spectroscopy, upon solvent extraction and separation from the aqueous polymer compositions, or from dried or cured coatings, film or layers thereof.Type: ApplicationFiled: October 20, 2017Publication date: May 31, 2018Inventors: Peilin Yang, Eric C. Greyson, Zhenwen Fu, Zahid Asif
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Patent number: 9676957Abstract: Provided is a binder composition and its use in aqueous based paints and coatings and other applications. The binder composition comprises: (a) a copolymer formed from one or more esters or amides of acrylic acid or methacrylic acid, or their mixtures, together with a monomer unit of formula I, wherein R, R1 R2, R3, R4, and X are as defined above; and (b) water, wherein the binder composition is an aqueous emulsion.Type: GrantFiled: November 13, 2013Date of Patent: June 13, 2017Assignee: ANGUS CHEMICAL COMPANYInventors: Patrick E. Brutto, George D. Green, Zhenwen Fu, Eric C. Greyson, Andrew Hejl, Jia Tang
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Publication number: 20160319501Abstract: The present invention provides aqueous compositions useful in making traffic markings having early dirt pickup resistance which comprise one or more vinyl or acrylic emulsion polymers having a measured glass transition temperature (measured Tg) of from ?10 to 60° C., preferably 20° C. or higher, (ii) from 3 to 15 wt. %, or, preferably, from 6 to 12 wt. %, as solids based on total polymer solids, of one or more polyurethane dispersions (PUD), (iii) one or more coalescent having a normal boiling point of from 150 to 300° C., and (iv) one or more fillers, extenders and/or pigments, preferably an opacifier pigment and one or more extenders, wherein the composition has a percent pigment volume concentration (% PVC) of from 45 to 80%, preferably from 45 to 65%.Type: ApplicationFiled: April 21, 2016Publication date: November 3, 2016Inventors: Loïc Chailloux, Guy Clamen, Eric C. Greyson, John Haigh, Bruno Pollet
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Publication number: 20150322281Abstract: Provided is a binder composition and its use in aqueous based paints and coatings and other applications. The binder composition comprises: (a) a copolymer formed from one or more esters or amides of acrylic acid or methacrylic acid, or their mixtures, together with a monomer unit of formula I, wherein R, R1 R2, R3, R4, and X are as defined above; and (b) water, wherein the binder composition is an aqueous emulsion.Type: ApplicationFiled: November 13, 2013Publication date: November 12, 2015Inventors: Patrick E. BRUTTO, George D. GREEN, Zhenwen FU, Eric C. GREYSON, Andrew HEJL, Jia TANG