Patents Assigned to Nchem BVBA
  • Patent number: 9580669
    Abstract: This invention pertains to candle wax and a method for making candle wax. The candle wax comprises a candle wax base mixture and a polymer wherein the polymer comprises units of the formula (I) wherein X is an alkyl, alkenyl, alkyl maleic anhydride or alkylene-imine; Y is selected from the group consisting of —O—, —S—, —NH—, —NCH2—, —NCH2CH2—, —COO— of which either the carbon or the oxygen group is bound to X, —C(?O)NH, trialkoxysilane, preferably trimethoxysilane or triethoxysilane, benzyl, amide group; Z is H or a C1-C40 alkyl group or a C1-C40 alkenyl group; n is a positive integer, preferably is n>3; if Y is —COO—, then the polymer is a copolymer comprising at least two different units, and if Z is H or a methyl or ethyl, than the polymer is a copolymer comprising at least one unit comprising a C3-C40 alkyl group or C3-C40 alkenyl group.
    Type: Grant
    Filed: November 7, 2012
    Date of Patent: February 28, 2017
    Assignee: Nchem BVBA
    Inventors: Niels Van Opstal, Geert Deroover