Patents Assigned to Croda International, plc
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Publication number: 20150368479Abstract: The present invention relates to compounds comprising building blocks according to the general formulae as shown in FIG. 1, wherein [BB1] is building block 1; [BB2] is building block 2; R1 is H or CH3, Z is a bridging group, selected from the group consisting of ester groups (—C(?O)O—) and amide groups (—C(?O)—NH—), X is an element selected from nitrogen, phosphorus, oxygen and sulfur; i is an integer which is 2 in case of nitrogen and phosphorus and 1 in case of oxygen and sulfur; Rj denotes groups which may be the same or different and comprise a C1-C20 hydrocarbyl group; Rk is a C7-C50 hydrocarbyl group; Y? is a negatively charged ion; and wherein the molar fraction of [BB2] in a molecule of the compound is between 0.3 and 1 and the weight average molecular weight of the compound is between 1.000 and 100.000 g/mol, determined with GPC.Type: ApplicationFiled: June 24, 2015Publication date: December 24, 2015Applicant: Croda International PLCInventor: HOSSEIN MAHMOUD
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Publication number: 20150361276Abstract: The invention relates to an aqueous coating composition comprising a compound having reactive groups A, and a quaternary ammonium compound according to Formula I, II or III wherein R1 is an alkyl, alkenyl, alkylaryl or arylalkyl group having from 5 to 50 carbon atoms; R2 is a C1-C100 hydrocarbyl group, optionally containing heteroatoms; R3 and R4 are alkylene groups having from 1 to 4 carbon atoms; R5 and R6 are H or C1-C100 hydrocarbyl group, optionally containing heteroatoms; R7 is a C1-C100 hydrocarbyl group, optionally containing heteroatoms; R8 is a C1-C100 hydrocarbyl group, optionally containing heteroatoms; R9 is H or a methyl group; Z is a substituent containing at least one reactive group B which is capable of reacting with the reactive group A; X? is an anion; y is 0 or 1; a is 0 or 1; and the sum of y and a is 1 or 2 and m is an integer from 1 to 30, preferably between 1 and 10, or between 2 and 6 n is an integer from 0-30, preferably between 1 and 10, or 2 and 6 T is a monomer unit; U is a mType: ApplicationFiled: January 31, 2014Publication date: December 17, 2015Applicant: CRODA INTERNATIONAL PLCInventor: HOSSEIN MAHMOUD
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Publication number: 20150329990Abstract: The present invention relates to a method of washing animal fibers comprising contacting the animal fibers with a surfactant composition comprising a mixture of alcohol ethoxylate surfactants and optionally at least one propoxylated surfactant.Type: ApplicationFiled: December 10, 2013Publication date: November 19, 2015Applicant: CRODA INTERNATIONAL PLCInventors: Mahzad GOODWIN, Peter Michael MURPHY, Simon Paul FLAVIN
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Publication number: 20150299098Abstract: A novel fatty acid ester having the general formula R1—COOR2 wherein R1 and R2 are hydrocarbon groups derived from a branched fatty acid and an alcohol, respectively. R1 is derived from a branched fatty acid which has been refined from a commercially available acid to give a product with a high concentration of monobranched fatty acids and a low concentration of polybranched fatty acids. The use of the ester derived from the refined fatty acid is found to be particularly useful in personal care compositions, for example as an emollient.Type: ApplicationFiled: November 26, 2012Publication date: October 22, 2015Applicant: CRODA INTERNATIONAL PLCInventors: REBECCA LOUISE PEEVERS, JOHN ROBIN LATUS, JONATHAN DAVID TOWNEND
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Publication number: 20150291912Abstract: A process for producing a composition having a ratio by weight of C10-C26 monobranched fatty acids or alkyl esters thereof to C10-C26 polybranched fatty acids or alkyl esters thereof of greater than 6 using a zeolite, preferably ferrierite, isomerisation catalyst. The zeolite catalyst is preferably the only isomerisation catalyst used. The zeolite catalyst can be reused many times after simple separation from the reaction products without having to be regenerated.Type: ApplicationFiled: October 7, 2013Publication date: October 15, 2015Applicant: CRODA INTERNATIONAL PLCInventors: Tanja Van Bergen-Brenkman, Negar Rashidi, Bastiaan Wels
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Publication number: 20150289502Abstract: An agrochemical formulation comprising a penetrant and an agrochemical active. The penetrant is an esterified and/or etherified polyol alkoxylate obtainable by directly esterifying and/or etherifying a polyol alkoxylate. There is also provided a method of making the penetrant comprising alkoxylation of a polyol, and esterification or etherification of the formed poyol alkoxylate. The penetrant is suitable for use in agrochemical formulations to enhance penetration of the active across a leaf cuticle.Type: ApplicationFiled: November 19, 2013Publication date: October 15, 2015Applicant: CRODA INTERNATIONAL PLCInventors: Trevor Graham BLEASE, Kathryn Marie KNIGHT
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Publication number: 20150239995Abstract: Functionalized alternan, comprising carboxy groups as functional groups, wherein the alternan can be described by the following formula (I) Alternan (I) wherein R1 is a hydrocarbon group with 1 to about 100 carbon atoms, optionally featuring one or more heteroatoms, wherein the oxygen between “Alternan” and R1 in Formula (I) is an oxygen of an ether group, as well as the procedures for producing such a functionalized alternan in a aqueous medium or using an alcohol or an alcohol-water mixture as a reaction medium, and the use of this functionalized alternan.Type: ApplicationFiled: August 23, 2013Publication date: August 27, 2015Applicant: CRODA INTERNATIONAL PLCInventors: Volker Landschütze, Sylvia Radosta, Waltraud Vorwerg
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Publication number: 20150232618Abstract: Polyimide formed from at least one dianhydride and at least one diamine, wherein at least 50 wt. % of the diamine is comprised of dimer fatty diamine, and a process of making the polyimide. The dianhydride is preferably a tetracarboxylic acid in which carbonyl groups are attached in pair to adjacent carbon atoms, and the dimer fatty diamine may be formed from a corresponding dimer fatty acid, especially the dimerisation products of C10 to C30 fatty acids such as oleic acid, linoleic acid, linolenic acid, palmitoleic acid, and elaidic acid. Also polyimide pre-polymer being polyamic acid formed by reaction of the dinhydride, and diamine comprised of dimer fatty diamine. The polyimide may be formed in to coatings, adhesives, or polymer films, said compositions in particular being self-healing.Type: ApplicationFiled: August 2, 2013Publication date: August 20, 2015Applicant: CRODA INTERNATIONAL PLCInventors: Angela Leonarda Maria Smits, Remco Benjamin Van Triet, Theodorus Jacobus Dingemans, Santiago Juan Garcia-Espallargas
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Publication number: 20150216783Abstract: A method of preparing oxidised cellulose and intermediate oxidised cellulose, and compositions or dispersions comprising said oxidised cellulose are disclosed. Cellulose particles with a median volume particle diameter (D(v,0.5)s) in the range from 30 ?m to 70 ?m are reacted in the presence of a nitroxyl radical catalyst, halide co-catalyst, and oxidant, to produce intermediate oxidised cellulose particles. The intermediate oxidised cellulose particles are neutralised, and shear pressure applied to produce oxidised cellulose particles having a median volume particle diameter value (D(v,0.5)p) of less than D(v,0.5)s, a ratio of D(v,0.5)s to D(v,0.5)p from 1.1 to 5.0:1, and an oxidation value in the range from 15% to 30%. The oxidised particles may be formed in to dispersions, with the dispersions particularly used to provide desired skin feel in personal care compositions.Type: ApplicationFiled: August 8, 2013Publication date: August 6, 2015Applicant: CRODA INTERNATIONAL PLCInventor: Patrick James Colver
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Publication number: 20150209260Abstract: A particulate metal oxide has a metal oxide core and a coating layer containing an inorganic material and (i) a quaternary silane coupling agent, and/or (ii) a silane coupling agent and a hydrophobizing agent. Preferred materials are titanium dioxide core particles, an amino organosilane coupling agent and a fatty acid hydrophobizing agent. The particulate metal oxide is suitable for use in forming a dispersion, and the particles and dispersion can be used in an end-use sunscreen composition which is transparent, exhibits effective UV absorption properties, reduced photoactivity, and/or improved skin feel.Type: ApplicationFiled: July 19, 2013Publication date: July 30, 2015Applicant: CRODA INTERNATIONAL PLCInventors: Robert Michael Sayer, Ian Robert Tooley, Paul Martin Staniland
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Publication number: 20150210807Abstract: The present invention relates to a polyurethane which is the reaction product of a polyisocyanate and polyester, wherein said polyester is formed from a dimer fatty acid, a C2 to C4 diol, and a C8 to C16 dicarboxylic acid or C6 to C12 lactide. The inventions also relates to a polyester for use in forming the polyurethane of the first aspect, said polyester formed from a dimer fatty acid, a C2 to C4 diol, and a C8 to C16 dicarboxylic acid or C6 to C12 lactide.Type: ApplicationFiled: August 15, 2013Publication date: July 30, 2015Applicant: CRODA INTERNATIONAL PLCInventors: Angela Leonarda Maria Smits, Karin Van Der Helm-Rademaker
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Publication number: 20150203598Abstract: Functionalized alternan polysaccharide, comprising nitrogen groups or permanently positively charged nitrogen groups that can be protonated as functional groups and can be described by the following formula, for instance: (I) wherein R1 is a hydrocarbon group with 1 to about 100 carbon atoms, that may comprise one or more heteroatoms, R2 and R3 are each a hydrogen or a hydrocarbon group with 1 to about 20 carbon atoms that can comprise one or more heteroatoms, wherein R2 and R3 can be the same or different, or R2 and R3 form a 4-8 membered heterocyclic ring together with the nitrogen to which they are bound; Wherein said ring can be condensed with one or more additional isocyclic or heterocyclic rings, wherein the nitrogen can be bound to one of the R2 or R3 groups by way of a double bond and then bears a positive charge, wherein the nitrogen in Formula (I) is optionally protonated, and wherein the residues R1, R2 and R3 can be selected independently from each other in multiple —R1NR2R3 groups.Type: ApplicationFiled: August 23, 2013Publication date: July 23, 2015Applicant: CRODA INTERNATIONAL PLCInventors: Volker Landschütze, Sylvia Radosta, Waltraud Vorwerg
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Patent number: 9044622Abstract: Inverse emulsions made by inverse emulsion polymerization have a disperse aqueous phase comprising a solution or dispersion of at least one water soluble polymer, particularly a polymer that forms a viscous solution or dispersion in water, and a continuous oil phase which is or includes an ester oil including an alkoxylated alcohol group. The inclusion of ester oil including an alkoxylated alcohol group provides these oils in emulsions, particularly personal care emulsions made by inversion of the inverse emulsions on dilution with water.Type: GrantFiled: December 22, 2010Date of Patent: June 2, 2015Assignee: Croda International PLCInventors: Kim Moira Carmichael, Adam John Limer, Patrick James Colver, Surinder Pall Chahal
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Patent number: 9023331Abstract: The present invention relates to a hair fixative composition comprising a canonically modified hydrolysed starch and especially canonically modified hydrolysed starches, hydrolysed to the extend of having a dextrose equivalent of 1 to 6.Type: GrantFiled: March 9, 2005Date of Patent: May 5, 2015Assignee: Croda International PLCInventors: Roger Trevor Jones, Debra Louise Jones
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Patent number: 9023329Abstract: Polyester oil structurants are obtainable by the reaction of a C4 to C10 Q dicarboxylic acid, a polyol and a C16 to C30, particularly a C20 to C24, monocarboxylic fatty acid. The structurants can be used to provide structure, particularly thickening and/or gelling, in oils of a wide range of polarity. Thickened oils can find application in a range of personal care and other applications.Type: GrantFiled: December 21, 2006Date of Patent: May 5, 2015Assignee: Croda International, PLCInventors: Hanamanthsa Shankarsa Bevinakatti, Alan Geoffrey Waite, Thomas Phillip Wells
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Publication number: 20150098912Abstract: Described herein is a polyether polyamide block copolymer as well compositions and products containing the polyether polyamide block copolymer. Methods of making and using the copolymer, the compositions, and products are also described herein.Type: ApplicationFiled: May 18, 2012Publication date: April 9, 2015Applicant: CRODA INTERNATIONAL PLCInventors: Geng Lin, Nancy W. Harman
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Patent number: 8987488Abstract: A process for producing C10-C26 monobranched fatty acids or alkyl esters thereof which includes isomerizing unsaturated C10-C26 fatty acids or alkyl esters thereof in the presence of a catalyst which comprises both a zeolite and a Lewis base. The zeolite can be reused after simple separation from the reaction products without having to regenerate. The process is particularly suitable for producing highly monobranched fatty acids or alkyl esters thereof.Type: GrantFiled: June 20, 2014Date of Patent: March 24, 2015Assignee: Croda International, PLCInventors: Tanja Van Bergen-Brenkman, Hans Ridderikhoff, Hendrikus Johannes Franciskus Philipse
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Publication number: 20150045568Abstract: A process of metathesising a feedstock in the presence of a metathesis catalyst and at least one catalyst enhancer. The catalyst enhancer can be selected from a sacrificial catalyst or a non-catalyst enhancer. The process exhibits improved reaction times and/or the metathesis catalyst can be used at very low concentrations.Type: ApplicationFiled: March 18, 2013Publication date: February 12, 2015Applicant: CRODA INTERNATIONAL PLCInventors: Bastiaan Wels, Hans Ridderikhoff, Tanja Van Bergen-Brenkman, Dessy Liminto
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Publication number: 20150018574Abstract: A self-metathesis process for the production of unsaturated dicarboxylic fatty diacids and/or unsaturated dicarboxylic fatty diesters, wherein unsaturated carboxylic fatty acids and/or esters of unsaturated carboxylic fatty acids are reacted in the presence of at least one defined ruthenium based catalyst compound. A catalyst enhancer compound selected from a sacrificial catalyst or a non-catalyst enhancer may also be used. The process exhibits improved reaction times and/or the catalyst can be used at very low concentrations.Type: ApplicationFiled: March 18, 2013Publication date: January 15, 2015Applicant: CRODA INTERNATIONAL PLCInventors: Bastiaan Wels, Hans Ridderikhoff, Tanja Van Bergen-Brenkman, Dessy Liminto
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Patent number: 8883945Abstract: A compound of the formula R1.[(AO)n.—R2]m (I) where: R1 is the residue of a group having at least m active hydrogen atoms; AO is an alkylene oxide residue; each n is independently from 1 to 100; m is at least 2; and each R2 is independently H, a C1 to C21 hydrocarbyl, or an acyl group —OC.R3, where R3 is a C1 to C21 hydrocarbyl group, wherein on average greater than one of the R2 groups is or comprises a C4 to C21 hydrocarbyl group comprising at least two ethylenic double bonds. The compounds are particularly suitable for use in preparing aqueous emulsions or dispersions of resins and polymers, especially alkyd resins.Type: GrantFiled: December 15, 2004Date of Patent: November 11, 2014Assignees: Croda International PLC, Croda Americas LLCInventors: William Harry McNamee, Trevor Graham Blease, Johnny Denis Grade, Hanamanthsa Shankarsa Bevinakatti