# US 10,766,816 B2 · Building composition marker > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,766,816 B2 - Document ID: US10766816B2 - Status: Granted - Kind: B2 - Application number: 16/308,019 - Filed: 2017-07-11 - Published: 2019-10-10 - Granted: 2020-09-08 - Earliest claimed: 2016-07-14 - Assignees: Nouryon Chemicals International B.V. - Applicants: Nouryon Chemicals International B.V. - Inventors: Thomas Aberle - Web page: https://patentgrep.com/patent/US10766816B2 ## CPC - C04B 28/02: containing hydraulic cements other than calcium sulfates - C04B 24/02: Alcohols; Phenols; Ethers - C04B 24/123: {Amino-carboxylic acids} - C04B 24/2641: {Polyacrylates; Polymethacrylates} - C04B 24/283: {Polyesters} - C04B 24/38: Polysaccharides or derivatives thereof {(C04B24/243 takes precedence)} - C04B 40/0039: {Premixtures of ingredients} - C04B 40/0042: {Powdery mixtures} - C04B 40/0096: {Provisions for indicating condition of the compositions or the final products, e.g. degree of homogeneous mixing, degree of wear} - C04B 2111/00482: {Coating or impregnation materials} - C04B: LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE {(roofing granules E04D7/005)}; CERAMICS (devitrified glass-ceramics C03C10/00); REFRACTORIES; TREATMENT OF NATURAL STONE ## Abstract The invention relates to the use of a building composition marker comprising at least one alpha-amino acid, alpha-amino acid salt or a mixture thereof in a building composition. The invention also relates to a building composition comprising such a building composition marker, and to a process for producing the building composition. The invention further relates to a building composition marker comprising at least one alpha-amino acid, alpha-amino acid salt or mixture thereof, and one or more components selected from:—vinyl ester homopolymers, vinyl ester copolymers comprising one or more vinyl ester units and one or more monomer units from the group selected from olefins, vinylaromatics, vinyl halides, acrylic esters, methacrylic esters, monoesters or diesters of fumaric and/or maleic acid, or silicon-functional monomers; —(meth)acrylic ester homopolymers, (meth)acrylic ester copolymers comprising one or more (meth)acrylic ester units and one or more monomer units from the group of vinylaromatics, vinyl halides, monoesters or diesters of fumaric and/or maleic acid, or silicon-functional monomers; —homopolymers or copolymers of dienes and also of olefins, diene copolymers comprising one or more diene units and one or more monomer units from the group selected from vinyl halides, (meth)acrylic esters, esters of fumaric or maleic acid, and vinylaromatics; —homopolymers of vinylaromatics; —homopolymers of vinyl halides; and—polysaccharides, polysaccharide ethers, and mixtures thereof. ## Claims ### Claim 1 A method for determining the origin of a building composition, the method comprising: including a building composition marker in the building composition, wherein the building composition marker comprises at least one alpha-amino acid, alpha-amino acid salt or a mixture thereof as a marker for determining the origin of a building composition; and adding a test composition to the building composition and reacting the test composition with the building composition marker to cause a visibly detectable color change. ### Claim 2 (depends on 1) The method according to claim 1, wherein the building composition is a composite material comprising: at least one binder, at least one particulate material, and/or at least one reinforcement material. ### Claim 3 (depends on 1) The method according to claim 1, wherein the building composition is selected from construction adhesives, mortars, plasters, renders, filling compounds, flooring compounds, leveling compounds, grouts, jointing mortars, or concrete modifiers, paints, gypsum based materials, thermal insulation composite system adhesives or tile adhesives. ### Claim 4 (depends on 1) The method according to claim 1, wherein the building composition marker further comprises: (i) one or more polymers selected from vinyl ester homopolymers, vinyl ester copolymers comprising one or more vinyl ester units and one or more monomer units from the group selected from olefins, vinylaromatics, vinyl halides, acrylic esters, methacrylic esters, monoesters or diesters of fumaric and/or maleic acid, or silicon-functional monomers; (meth)acrylic ester homopolymers, (meth)acrylic ester copolymers comprising one or more (meth)acrylic ester units and one or more monomer units from the group of vinylaromatics, vinyl halides, monoesters or diesters of fumaric and/or maleic acid, or silicon-functional monomers; homopolymers or copolymers of dienes and also of olefins, diene copolymers comprising one or more diene units and one or more monomer units from the group selected from vinyl halides, (meth)acrylic esters, esters of fumaric or maleic acid, and vinylaromatics; homopolymers of vinylaromatics; or homopolymers of vinyl halides; and/or (ii) one or more polysaccharides, polysaccharide ethers, and mixtures thereof. ### Claim 5 (depends on 1) The method according to claim 1 further comprising: drying or curing the building composition to form a structure; and obtaining a sample from the structure; wherein adding the test composition to the building composition comprises adding the test composition to the sample. ### Claim 6 (depends on 1) The method according to claim 1, wherein including a building composition marker in the building composition comprises adding the building composition marker a dry building composition, a building composition slurry, a building composition solution, a building composition dispersion, or a building composition emulsion. ### Claim 7 A method for determining the presence of a building composition marker in a building composition, comprising the steps of: a) taking a sample of the building composition; and b) mixing the sample with ninhydrin. ### Claim 8 (depends on 7) The method of claim 7 wherein the building composition marker comprises at least one alpha-amino acid, alpha-amino acid salt or a mixture thereof. ### Claim 9 (depends on 8) The method of claim 8 wherein the building composition is selected from composite materials comprising at least one binder, at least one particulate material, and/or at least one reinforcement material. ### Claim 10 (depends on 8) The method of claim 8 wherein the building composition is selected from construction adhesives, mortars, plasters, renders, filling compounds, flooring compounds, leveling compounds, grouts, jointing mortars, or concrete modifiers, paints, gypsum based materials, thermal insulation composite system adhesives or tile adhesives. ### Claim 11 (depends on 7) The method of claim 7, wherein the building composition marker comprises: at least one alpha-amino acid, alpha-amino acid salt or a mixture thereof as a marker for determining the origin of a building composition; (i) one or more polymers selected from vinyl ester homopolymers, vinyl ester copolymers comprising one or more vinyl ester units and one or more monomer units from the group selected from olefins, vinylaromatics, vinyl halides, acrylic esters, methacrylic esters, monoesters or diesters of fumaric and/or maleic acid, or silicon-functional monomers; (meth)acrylic ester homopolymers, (meth)acrylic ester copolymers comprising one or more (meth)acrylic ester units and one or more monomer units from the group of vinylaromatics, vinyl halides, monoesters or diesters of fumaric and/or maleic acid, or silicon-functional monomers; homopolymers or copolymers of dienes and also of olefins, diene copolymers comprising one or more diene units and one or more monomer units from the group selected from vinyl halides, (meth)acrylic esters, esters of fumaric or maleic acid, and vinylaromatics; homopolymers of vinylaromatics; or homopolymers of vinyl halides; and/or (ii) one or more polysaccharides, polysaccharide ethers, and mixtures thereof. ### Claim 12 (depends on 7) The method of claim 7, further comprising after mixing the sample with ninhydrin visually inspecting the sample for the formation of Ruhemann's purple. ### Claim 13 (depends on 7) The method of claim 7, further comprising—before taking the sample of the building composition—curing, drying or hardening the building composition. ### Claim 14 (depends on 7) The method of claim 7, wherein the building composition marker comprises at least one alpha-amino acid, alpha-amino acid salt or a mixture thereof as a marker for determining the origin of a building composition. ### Claim 15 (depends on 1) The method of claim 1 wherein the building composition marker comprises at least one alpha-amino acid salt. ### Claim 16 (depends on 1) The method of claim 1 wherein the test composition comprises ninhydrin and wherein the visibly detectable color change is a color change to purple. ### Claim 17 A building composition origin determination kit comprising: a building composition; a building composition marker included in the building composition, wherein the building composition marker comprises at least one alpha-amino acid, alpha-amino acid salt or a mixture thereof as a marker for determining the origin of the building composition; and a test composition selected for reaction with the building composition marker to cause a visibly detectable color change in the building composition, wherein the test composition comprises ninhydrin. ### Claim 18 (depends on 17) The building composition origin determination kit of claim 17 wherein the building composition is a composite material comprising: at least one binder, at least one particulate material, and/or at least one reinforcement material. ### Claim 19 (depends on 17) The building composition origin determination kit of claim 17 wherein the building composition marker further comprises: (i) one or more polymers selected from vinyl ester homopolymers, vinyl ester copolymers comprising one or more vinyl ester units and one or more monomer units from the group selected from olefins, vinylaromatics, vinyl halides, acrylic esters, methacrylic esters, monoesters or diesters of fumaric and/or maleic acid, or silicon-functional monomers; (meth)acrylic ester homopolymers, (meth)acrylic ester copolymers comprising one or more (meth)acrylic ester units and one or more monomer units from the group of vinylaromatics, vinyl halides, monoesters or diesters of fumaric and/or maleic acid, or silicon-functional monomers; homopolymers or copolymers of dienes and also of olefins, diene copolymers comprising one or more diene units and one or more monomer units from the group selected from vinyl halides, (meth)acrylic esters, esters of fumaric or maleic acid, and vinylaromatics; homopolymers of vinylaromatics; or homopolymers of vinyl halides; and/or (ii) one or more polysaccharides, polysaccharide ethers, and mixtures thereof.