# US 12,006,096 B2 · Beta-diketone storage container and packaging method > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,006,096 B2 - Document ID: US12006096B2 - Status: Granted - Kind: B2 - Application number: 17/595,627 - Filed: 2020-04-22 - Published: 2022-07-21 - Granted: 2024-06-11 - Earliest claimed: 2019-05-28 - Assignees: Central Glass Company, Limited - Applicants: Central Glass Company, Limited - Inventors: Kenta Watanabe; Takashi Masuda; Kazuki Tanaka - Web page: https://patentgrep.com/patent/US12006096B2 ## CPC - B65D 23/02: Linings or internal coatings - C23C 16/4404: {Coatings or surface treatment on the inside of the reaction chamber or on parts thereof} - B65D 85/84: for corrosive chemicals - C23C 16/448: characterised by the method used for generating reactive gas streams, e.g. by evaporation or sublimation of precursor materials - B65D: CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES - C23C: COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL (making metal-coated products by extrusion B21C23/22; covering with metal by connecting pre-existing layers to articles, see the relevant places, e.g. B21D39/00, B23K; metallising of glass C03C; metallising mortars, concrete, artificial stone, ceramics or natural stone C04B41/00; enamelling of, or applying a vitreous layer to, metals C23D; treating metal surfaces or coating of metals by electrolysis or electrophoresis C25D; single-crystal film growth C30B; by metallising textiles D06M11/83; decorating textiles by locally metallising D06Q1/04) ## Abstract The present disclosure provides a β-diketone storage container including: a metal storage container to which a liquid β-diketone is charged, the metal being an aluminum material; and an inorganic film on an inner surface of the storage container, the inorganic film containing at least one material selected from the group consisting of silicon dioxide, silicon carbonitride, silicon carbide, silicon nitride, diamond, and diamond-like carbon. ## Claims ### Claim 1 A β-diketone storage container comprising: a metal storage container to which a liquid β-diketone is charged, the metal being an aluminum material; and an inorganic film on an inner surface of the storage container, the inorganic film containing at least one material selected from the group consisting of silicon dioxide, silicon carbonitride, silicon carbide, silicon nitride, diamond, and diamond-like carbon. ### Claim 2 (depends on 1) The β-diketone storage container according to claim 1, wherein the β-diketone includes a fluorine atom in its chemical formula. ### Claim 3 (depends on 1) The β-diketone storage container according to claim 1, wherein the aluminum material is pure aluminum, Al—Mg alloy, or Al—Mg—Si alloy. ### Claim 4 (depends on 1) The β-diketone storage container according to claim 1, wherein the inorganic film has a thickness of 10 nm or more and 1000 μm or less. ### Claim 5 (depends on 1) The β-diketone storage container according to claim 1, wherein the storage container is heated to a normal boiling point or higher of the β-diketone in use. ### Claim 6 (depends on 1) The β-diketone storage container according to claim 1, wherein the β-diketone is hexafluoroacetylacetone, the inorganic film comprises at least one material selected from the group consisting of silicon dioxide, silicon carbonitride, and diamond-like carbon, and the inorganic film has a thickness of 500 nm or more and 50 μm or less. ### Claim 7 (depends on 6) The β-diketone storage container according to claim 6, wherein the inorganic film comprises at least one material selected from the group consisting of silicon dioxide and silicon carbonitride. ### Claim 8 (depends on 1) A β-diketone-containing container comprising: a storage container according to claim 1; and a liquid β-diketone charged in the storage container. ### Claim 9 (depends on 8) The β-diketone-containing container according to claim 8, wherein an increase in the aluminum concentration in the β-diketone is not more than 50 ppb by mass even after retention at 80° C. for one year. ### Claim 10 A β-diketone charging method comprising: charging a liquid β-diketone into a storage container made of an aluminum material, the storage container comprising an inorganic film on an inner surface thereof, the inorganic film containing at least one material selected from the group consisting of silicon dioxide, silicon carbonitride, silicon carbide, silicon nitride, diamond, and diamond-like carbon. ### Claim 11 (depends on 10) The β-diketone charging method according to claim 10, further comprising, prior to the charging, washing the inner surface of the storage container with a same β-diketone as the β-diketone that is charged in the charging, at a temperature of 10° C. or higher. ### Claim 12 (depends on 11) The β-diketone charging method according to claim 11, wherein the temperature in the washing step is 80° C. or higher. ### Claim 13 (depends on 10) A β-diketone supply method comprising: supplying a gaseous β-diketone by heating a β-diketone-containing container to 60° C. or higher, the β-diketone-containing container obtained by the charging method according to claim 10. ### Claim 14 (depends on 13) The β-diketone supply method according to claim 13, wherein in the supplying, the β-diketone-containing container is heated to 80° C. or higher.