Patents Examined by Kelechi Egwim
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Patent number: 9243085Abstract: A method of forming a particle includes, in a disperse phase within an aqueous suspension, polymerizing a plurality of mer units of a hydrophilic monomer having a hydrophobic protection group, thereby forming a polymeric particle including a plurality of the hydrophobic protection groups. The method further includes converting the polymeric particle to a hydrophilic particle.Type: GrantFiled: February 8, 2013Date of Patent: January 26, 2016Assignees: Life Technologies Corporation, Life Technologies ASInventors: Geir Fonnum, Grete Modahl, Nini Kjus, Astrid Evenroed Molteberg, Diem Tran, Jo Aaserud, M. Talha Gokmen, Steven Menchen, Carl Fuller, Luisa Andruzzi, Wolfgang Hinz
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Patent number: 9234084Abstract: The present invention relates an aqueous dispersion of low Tg polymer encapsulating TiO2 particles and a process for preparing the dispersion. The encapsulating polymer is a (meth)acrylate polymer, a styrene-acrylate copolymer, or a vinyl acetate-(meth)acrylate copolymer, or a combination thereof, and the encapsulating polymer further contains units of sodium styrene sulfonate. The present invention provides encapsulated TiO2 particles with low gel that are film-forming at ambient temperatures, especially for coatings applications.Type: GrantFiled: February 22, 2012Date of Patent: January 12, 2016Assignee: Rohm and Haas CompanyInventors: James Keith Bardman, Karl Allen Bromm
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Patent number: 9233875Abstract: The invention provides compositions containing a salt formed from an acid and from a base, wherein the acid is defined as a polycondensation product containing (I) at least one structural unit including an aromatic or heteroaromatic and a polyether side chain, and (II) at least one phosphated structural unit including an aromatic or heteroaromatic, and polyethyleneimine as base, wherein the molar mass of the polyethyleneimine is greater than 500 daltons. Likewise provided is a process for producing these compositions and building product mixtures comprising the invention compositions. The invention also provides for the use of the compositions as admixture agents, preferably as flow agents, for aqueous suspensions of binders based on calcium sulphate or for aqueous suspensions of (latently) hydraulic binders.Type: GrantFiled: March 27, 2012Date of Patent: January 12, 2016Assignee: BASF Construction Solutions GmbHInventors: Frank Dierschke, Michael Schinabeck
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Patent number: 9228045Abstract: Process for preparing a seed latex of a methyl methacrylate polymer (PMMA) by radical polymerization in aqueous emulsion of methyl methacrylate and optionally at least one comonomer. Process for preparing a chlorinated vinyl polymer latex by radical polymerization in aqueous emulsion of at least one chlorinated vinyl monomer, according to which the polymerization takes place in the presence of at most 3% by weight, expressed relative to the total weight of the monomers, of the PMMA seed latex.Type: GrantFiled: June 13, 2013Date of Patent: January 5, 2016Assignee: SOLVAY (Societe Anonyme)Inventors: Peter Claassen, Roland Offner, Benoit Faye, Yves Vanderveken
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Patent number: 9221977Abstract: A composition for coating food cans is disclosed. The composition comprises a polyester/acrylic graft copolymer, a polyester resin, and a crosslinker. Methods for coating cans using the compositions of the invention are also disclosed.Type: GrantFiled: March 15, 2013Date of Patent: December 29, 2015Assignee: PPG industries Ohio, Inc.Inventors: Ronald R. Ambrose, Michael J. Ziegler, John M. Dudik
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Patent number: 9221956Abstract: Water-dilutable coating compositions comprising poly(vinyl alcohol) and/or ethylene-vinyl alcohol copolymer, dispersed clay and polycarboxylic acid polymer that can be prepared using convention apparatus and that provide exceptional oxygen barrier along with good laminate bond strengths at high relative humidity when incorporated into adhesively formed laminates, particularly PET-PE laminate structures.Type: GrantFiled: November 19, 2010Date of Patent: December 29, 2015Assignee: Sun Chemical CorporationInventors: Derek Ronald Illsley, Sarfaraz Akhtar Khan, Graham Trevor Street
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Patent number: 9200177Abstract: The instant invention provides a high-solid, solvent-free alkyd dispersion, and a continuous process for producing the same. The aqueous alkyd dispersion, according to the present invention comprises (a) from 40 to 70 percent by weight of one or more alkyds based on the total weight of the dispersion, wherein each one or more alkyds has an acid value of less than 20 and a molecular weight (Mn) in the range of greater than 1000 Dalton; (b) from less than 10 percent by weight of one or more surfactants, based on the total weight of the dispersion; and (c) from 30 to 55 percent by weight of water, based on the total weight of the dispersion; and the dispersion has an average particle size diameter in the range of 0.05 to 5 ?m.Type: GrantFiled: November 1, 2010Date of Patent: December 1, 2015Assignee: Dow Global Technologies LLCInventors: Timothy J. Young, Gary E. Spilman, Suresh Subramonian, Ray E. Drumright, David D. Mall, Rosemarie Lauer, Andrea Greyson, Robert Sandoval, Ahmad Madkour
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Patent number: 9193843Abstract: Plasticizer blends comprise a triblend of diethylene glycol dibenzoate, dipropylene glycol dibenzoate, and 1,2-propylene glycol dibenzoate, in specified ratios, useful in combination with a multitude of thermoplastic polymers, thermosetting polymers, and elastomeric polymers and numerous applications, including but not limited to plastisols, adhesives, sealants, caulks, architectural coatings, industrial coatings, OEM coatings, inks, overprint varnishes, polishes, and the like. The advantages rendered by the use of the triblend depend on the type of polymer and application in which it is utilized and include among other advantages higher solvating power and lower processing time, low VOC's, reduced plasticizer freeze point, improved gelation and fusion characteristics, higher tensile strength, superior stain and extraction resistance, and improved rheology over traditional diblends of diethylene glycol dibenzoate and dipropylene glycol dibenzoate.Type: GrantFiled: December 28, 2011Date of Patent: November 24, 2015Assignee: EMERALD KALAMA CHEMICAL, LLCInventors: William D. Arendt, Emily L. McBride
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Patent number: 9181356Abstract: A hydrogenation catalyst composition for hydrogenating a polymer of conjugated diene is provided. The polymer of conjugated diene is a homopolymer of conjugated diene or a copolymer of conjugated diene and vinyl aromatics. The hydrogenation catalyst composition includes: (a) a titanium compound, (b) a compound of formula (II), where R5 is C1˜C12 alkyl, alkenyl, amine, ether, ketone or ester groups, R3 and R6 are C1˜C12 alkyl or alkenyl groups, R4 and R7 are C1˜C12 alkyl, alkenyl, amine, ether, ketone or ester groups, n and m are integrals, 1?n?3, 1?m?3, and (c) alkyl aluminum.Type: GrantFiled: May 18, 2010Date of Patent: November 10, 2015Assignee: TSRC CORPORATIONInventors: Chi-Chen Hsieh, Chih-Kuang Tsai, Yen-Hsian Li, Ming-Cheng Chiu
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Patent number: 9181448Abstract: Latex emulsions are disclosed which can be used in the formation of coating compositions that are not water sensitive, have good blush resistance and retortability. In some embodiments, the coating compositions are used to coat substrates such as cans and packaging materials for the storage of food and beverages. Coating compositions of the invention may be prepared by polymerizing at least one ethylenically unsaturated monomer component, a stabilizer comprising a strong acid and an initiator in a carrier to form an emulsion, polymerizing the emulsion with at least one different ethylenically unsaturated monomer component to prepare the composite latex emulsion, and reacting the composite latex emulsion with a neutralizer to form the coating composition. Methods of coating substrates with the coating compositions, and substrates coated with the coating compositions are also disclosed.Type: GrantFiled: December 28, 2011Date of Patent: November 10, 2015Assignee: AKZO NOBEL COATINGS INTERNATIONAL B.V.Inventors: Cathy Li, Tiffany Weidendorf, Timothy I. Memmer, Daniel Bode
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Patent number: 9169380Abstract: Coating compositions containing an aqueous polymer dispersion having improved resistance toward chemicals. The aqueous polymer dispersion is prepared by polymerizing a first composition containing at least one ethylenically unsaturated group (monomers) by radical aqueous emulsion polymerization and then, in the presence of a product mixture from the previous polymerization, polymerizing a second composition containing at least one ethylenically unsaturated group (monomers) by radical aqueous emulsion polymerization. The coating compositions are such that the difference between a glass transition temperature of a polymer prepared from the first polymerization and a glass transition temperature of a polymer prepared from the second polymerization is at least 50° C.Type: GrantFiled: December 11, 2012Date of Patent: October 27, 2015Assignee: BASF SEInventors: Sebastian Roller, Rolf Dersch, Uwe Dittrich, Roelof Balk, Bas Lohmeijer, Ulrich Tromsdorf
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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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Patent number: 9156925Abstract: A method of forming a particle includes, in a disperse phase within an aqueous suspension, polymerizing a plurality of mer units of a hydrophilic monomer having a hydrophobic protection group, thereby forming a polymeric particle including a plurality of the hydrophobic protection groups. The method further includes converting the polymeric particle to a hydrophilic particle.Type: GrantFiled: November 18, 2013Date of Patent: October 13, 2015Assignee: Life Technologies CorporationInventors: Geir Fonnum, Grete I. Modahl, Nini H. Kjus, Astrid E. Molteberg, Diem Tran, Jo Aaserud, Talha M. Gokmen, Steven M. Menchen, Carl Fuller, Luisa Andruzzi, Wolfgang Hinz
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Patent number: 9150713Abstract: This disclosure describes formulations, systems and methods for a novel tackifier. The novel tackifier is composed of a modified starch and an acrylamide.Type: GrantFiled: January 18, 2013Date of Patent: October 6, 2015Assignee: Rantec CorporationInventors: Rick Bilodeau, Lloyd Marsden
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Patent number: 9150752Abstract: The present invention relates to a composition comprising a stable aqueous dispersion of polymer particles and a dispersant adsorbed onto the surfaces of TiO2 particles, wherein the dispersant is a water-soluble polymer functionalized with structural units of a carboxylic acid ester and tris(hydroxymethyl)aminomethane. The composition of the present invention is particularly useful for achieving high hiding for paints containing associative thickeners.Type: GrantFiled: March 3, 2015Date of Patent: October 6, 2015Assignee: Dow Global Technologies LLCInventors: Sudhakar Balijepalli, Lidaris San Miguel Rivera, Shubhangi Hemant Nair
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Patent number: 9139707Abstract: A method of producing a composite material, comprising an assembly of natural fibers, impregnated with an amorphous or semi-crystalline thermoplastic polymer, said method including: i) a step of impregnating said assembly with a precursor composition in the molten state and including: a) at least one prepolymer P(X)n of said thermoplastic polymer, having a molecular chain P having, at the ends of same, n reactive functions X, with n ranging from 1 to 3, in particular n being 1 or 2, and preferably 2 b) at least one chain extender Y-A-Y including reactive functions Y with at least one of said functions X ii) a step of polymerization by mass (poly)addition, in the molten state, of said prepolymer with said chain extender with: said thermoplastic polymer being the result of said polymerization by mass polyaddition and said impregnation i) and polymerization ii) taking place at a temperature lower than 250° C.Type: GrantFiled: May 30, 2013Date of Patent: September 22, 2015Assignee: ARKEMA FRANCEInventors: Gilles Hochstetter, Marc Audenaert, Thierry Briffaud
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Patent number: 9139677Abstract: A polymerization process to copolymerize hydrophobic ethylenically unsaturated C4-C28 olefins with polar monomers such as acrylates utilizing a polymeric support resin to stabilize the polymerization product in an aqueous media is described. The copolymer shows excellent adhesion to a variety of polymeric and/or polar substrates such as polyolefins, acrylate coatings, wood, etc.Type: GrantFiled: June 30, 2010Date of Patent: September 22, 2015Assignee: Lubrizol Advanced Materials, Inc.Inventors: Robert J. Pafford, IV, James D. Burrington, Naser Pourahmady, Libin Du
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Patent number: 9139666Abstract: A method of forming a particle includes, in a disperse phase within an aqueous suspension, polymerizing a plurality of mer units of a hydrophilic monomer having a hydrophobic protection group, thereby forming a polymeric particle including a plurality of the hydrophobic protection groups. The method further includes converting the polymeric particle to a hydrophilic particle.Type: GrantFiled: November 18, 2013Date of Patent: September 22, 2015Assignees: Life Technologies Corporation, Life Technologies ASInventors: Geir Fonnum, Grete I. Modahl, Nini H. Kjus, Astrid E. Molteberg, Diem Tran, Jo Aaserud, Talha M. Gokmen, Steven M. Menchen, Carl Fuller, Luisa Andruzzi, Wolfgang Hinz
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Patent number: 9133348Abstract: The invention relates to an antistatic coating composition comprising a hydrolyzate resulting from the at least partial hydrolysis of: a component A consisting of one or more compounds containing at least one polyalkylene oxide segment and at least one —Si(X)n hydrolyzable group, in which n is an integer ranging from 1 to 3 and the X groups are precursors of OH groups; at least one inorganic metal salt; and optionally, at least one component B, consisting of one or more compounds of formula Rn,Si(Z)4-n? or formula R1n1Ym1Si(Z1)4-n1-m1, in which the R groups are monovalent alkyl groups, the Z and Z1 groups are hydrolyzable groups or hydrogen atoms, the R1 groups are monovalent organic groups linked to the silicon atom through a carbon atom, the Y groups are monovalent organic groups linked to the silicon atom and containing at least one epoxy function, n? is an integer equal to O, 1 or 2, m1 and n1 are integers such that m1 is equal to 1 or 2 and n1+m1=1 or 2, component A and optional component B being chosenType: GrantFiled: May 7, 2010Date of Patent: September 15, 2015Assignee: Essilor International (Compagnie Generale d'Optique)Inventors: Bastien Feret, Xiaofeng Luo, Zheng Wang
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Patent number: 9115265Abstract: The present invention relates to storage stable film forming latex particles substantially free of adipic acid dihydrazide (ADH) that crosslink under ambient conditions during or after drying. Monomers for the formation of the crosslinkable moieties in the latex particles include diacetone acrylamide (DAAM) or the likes and methacrylamide (MAM) or the likes with or without styrene. A paint composition comprising the storage stable latex particles was described.Type: GrantFiled: May 19, 2014Date of Patent: August 25, 2015Assignee: Columbia Insurance CompanyInventors: Shi-Jun Yang, Gary Dandreaux, Robert J. Sheerin