# US 2013/0156901 A1 · Novel Coating Wax Based on Copolymers, Uses thereof and Process for Preparing Same > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2013/0156901 A1 - Document ID: US20130156901A1 - Status: Published application - Kind: A1 - Application number: 13/637,862 - Filed: 2011-03-30 - Published: 2013-06-20 - Earliest claimed: 2010-03-31 - Assignees: Fromageries Bel - Inventors: Pierre-Yves Pennarun - Web page: https://patentgrep.com/patent/US20130156901A1 ## CPC - C09D 191/06: Waxes - A01J 27/02: Devices for coating of cheese - A23C 19/163: {with a non-edible liquid or semi-liquid coating, e.g. wax, polymer dispersions (in combination with an edible coating A23C19/16)} - A23P 20/19: {Coating with non-edible coatings} - C08F 293/00: Macromolecular compounds obtained by polymerisation on to a macromolecule having groups capable of inducing the formation of new polymer chains bound exclusively at one or both ends of the starting macromolecule (on to polymers modified by introduction of unsaturated end groups C08F290/02) - C08L 53/00: Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers - C09D 131/02: Homopolymers or copolymers of esters of monocarboxylic acids - C09D 153/00: Coating compositions based on block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Coating compositions based on derivatives of such polymers - C09D: COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR (cosmetics A61K; processes for applying liquids or other fluent materials to surfaces, in general, B05D; staining wood B27K5/02; glazes or vitreous enamels C03C; natural resins, French polish, drying-oils, driers, turpentine, per se, C09F; polishing compositions other than French polish, ski waxes C09G; adhesives or use of materials as adhesives C09J; materials for sealing or packing joints or covers C09K3/10; materials for stopping leaks C09K3/12; processes for the electrolytic or electrophoretic production of coatings C25D) - A01J: MANUFACTURE OF DAIRY PRODUCTS - A23C: DAIRY PRODUCTS, e.g. MILK, BUTTER OR CHEESE; MILK OR CHEESE SUBSTITUTES; PREPARATION THEREOF (preservation thereof A23B11/00) - A23P: SHAPING OR WORKING OF FOODSTUFFS, NOT FULLY COVERED BY A SINGLE OTHER SUBCLASS - C08F: MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS - C08L: COMPOSITIONS OF MACROMOLECULAR COMPOUNDS (compositions based on polymerisable monomers C08F, C08G; artificial filaments or fibres D01F; textile treating compositions D06) ## Abstract The present invention concerns a coating wax for food product, comprising at least one block copolymer formed of at least one block polymer (A) derived from the polymerization of at least two monomers (MA), the same or different, derived from long chain fatty acids, the said long chain comprising 14 to 34 carbon atoms; and of at least one block polymer (B), different from (A), derived from the polymerization of at least two monomers (MB), the same or different, derived from short chain fatty acids. ## Claims ### Claim at position 1 1-10. (canceled) ### Claim 11 A coating wax for food product, comprising at least one block copolymer formed of at least one block polymer (A) derived from the polymerization of at least two monomers (MA), the same or different, derived from long chain fatty acids, the said long chain comprising 14 to 34 carbon atoms, and of at least one block polymer (B), different from (A), derived from the polymerization of at least two monomers (MB), the same or different, derived from short chain fatty acids. ### Claim 12 (depends on 11) The coating wax according to claim 11, wherein the food product is cheese. ### Claim 13 (depends on 11) The coating wax according to claim 11, wherein the short chain comprises from 2 to 16 carbon atoms. ### Claim 14 (depends on 11) The coating wax according to claim 11, wherein the long chain comprises from 14 to 22 carbon atoms. ### Claim 15 (depends on 11) The coating wax according to claim 11, wherein the fatty acid derived monomer (MA) or (MB) meets the following general formula (I): wherein: R1 is a hydrogen atom or a straight-chain or branched alkyl chain comprising 1 to 6 carbon atoms; R2 is a group (CH2)p—OCOR3, (CH2)p—OR4, or COOR5, with p=0 or 1; R3, R4 and R5 are the same or different and represent branched or straight-chain alkyl chains derived from saturated fatty acids. ### Claim 16 (depends on 11) The coating wax according to claim 11, wherein the weight proportion of the two monomers (MA) and (MB) is between 5:95 and 95:5. ### Claim 17 (depends on 11) The coating wax according to claim 11, wherein the weight proportion of the two monomers (MA) and (MB) is between 20:80 and 80:20. ### Claim 18 (depends on 11) The coating wax according to claim 11, wherein the molecular weight of the block copolymer is higher than 1000 Da and lower than 100 000 Da. ### Claim 19 (depends on 11) The coating wax according to claim 11, wherein the molecular weight of the block copolymer is lower than 50 000 Da. ### Claim 20 (depends on 11) The coating wax according to claim 11, further comprising an additive whose weight proportion is less than 30% of the total weight of the composition. ### Claim 21 (depends on 11) A process for coating a food product, comprising a step to apply to a whole food product or to a portion of a food product a coating wax such as defined in claim 11. ### Claim 22 (depends on 21) The coating process according to claim 21 wherein the application step is an immersion step of the product to be coated in the coating wax in the viscous state, and wherein the application step is followed by a cooling step of the coated product. ### Claim 23 (depends on 21) The coating process according to claim 21 wherein the application step is conducted in two operations. ### Claim 24 (depends on 11) The coating process according to claim 11 wherein the application step is a moulding step of the product to be coated with the coating wax in the molten and highly viscous state, and wherein this moulding step is followed by a cooling step of the coated product. ### Claim 25 (depends on 16) A coated food product, in particular a coated cheese, able to be obtained using the process according to claim 16.