# US 5,703,152 A · Deodorizing composition and deodorizing resin composition containing iron (II) compound > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 5,703,152 A - Document ID: US5703152A - Status: Granted - Kind: A - Application number: 08/501,037 - Filed: 1995-08-09 - Granted: 1997-12-30 - Earliest claimed: 1995-08-09 - Assignees: Minato Company, Ltd. - Inventors: Chiaki Ohama - Web page: https://patentgrep.com/patent/US5703152A ## CPC - A61L 9/01: Deodorant compositions {(compositions released by contact with a liquid A61L9/05)} - A61L: METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES (preservation of bodies or disinfecting characterised by the agents employed A01N; preserving, e.g. sterilising, food or foodstuffs A23; preparations for medical, dental or toiletry purposes A61K) ## Abstract An aqueous composition or a resin composition is disclosed which can capture bad odor substances such as ammonia, hydrogen sulfide, mercaptan and acetic acid. These compositions are characterized by containing an iron (II) compount, a chelating agent and a porous substance. The resin compositions include a paint composition, an ink composition and a resin composition for molding. ## Claims ### Claim 1 A deodorizing composition comprising an aqueous slurry including a ferrous compound, a chelating agent and a porous substance, wherein the amount of said chelating agent is at least one equivalent per equivalent of said ferrous compound and wherein the amount of said porous substance is at least 0.5 part by weight per part by weight of said ferrous compound. ### Claim 2 (depends on 1) A composition as claimed in claim 1, wherein said ferrous compound is selected from the group consisting of ferrous sulfate, ferrous chloride, ferrous bromide and ferrous iodide and said porous substance is at least one member selected from the group consisting of zeolite, sepiolite, acid clay, silica and titania. ### Claim 3 (depends on 1) A composition as claimed in claim 1, wherein said slurry has a pH of 7-9. ### Claim 4 (depends on 1) A composition as claimed in claim 1, wherein said aqueous slurry additionally includes a resin. ### Claim 5 (depends on 4) A composition as claimed in claim 4, wherein said resin is present in the form of a solution or emulsion in said water. ### Claim 6 (depends on 4) A composition as claimed in claim 4, wherein said aqueous slurry additionally includes a blowing agent. ### Claim 7 (depends on 4) A composition as claimed in claim 4, wherein said aqueous slurry additionally includes a pigment. ### Claim 8 (depends on 7) A composition as claimed in claim 7, wherein said pigment is a white pigment. ### Claim 9 (depends on 8) A composition as claimed in claim 8, wherein said white pigment is a mixture of titanium oxide (IV) with lithopone. ### Claim 10 (depends on 7) A composition as claimed in claim 7, wherein said aqueous slurry additionally includes an extender. ### Claim 11 (depends on 10) A composition as claimed in claim 10, wherein said extender is magnesium oxide or magnesium hydroxide. ### Claim 12 (depends on 7) A composition as claimed in claim 7, wherein said aqueous slurry additionally includes a blowing agent. ### Claim 13 (depends on 4) A composition as claimed in claim 4, wherein said aqueous slurry additionally includes a coloring agent. ### Claim 14 (depends on 13) A composition as claimed in claim 13, wherein said coloring agent is a color pigment. ### Claim 15 (depends on 13) A composition as claimed in claim 13, wherein said aqueous slurry additionally includes an extender. ### Claim 16 (depends on 13) A composition as claimed in claim 13, wherein said aqueous slurry additionally includes a blowing agent. ### Claim 17 (depends on 1) A deodorizing composition comprising a dried mass of said aqueous slurry according to claim 1. ### Claim 18 A deodorizing composition in the form of pellets, comprising water, a ferrous compound, a chelating agent, a porous substance, a resin and a water-soluble plasticizer, wherein the amount of said chelating agent is at least one equivalent per equivalent of said ferrous compound and wherein the amount of said porous substance is at least 0.5 part by weight per part by weight of said ferrous compound. ### Claim 19 (depends on 18) A composition as claimed in claim 18, further comprising a filler. ### Claim 20 (depends on 18) A deodorizing shaped body obtained by molding a composition according to claim 18, at a temperature sufficient to melt said resin. ### Claim 21 A deodorizing shaped body of a composition comprising water, a ferrous compound, a chelating agent, a porous substance, a resin and a water-soluble plasticizer, wherein the amount of said chelating agent is at least one equivalent per equivalent of said ferrous compound and wherein the amount of said porous substance is at least 0.5 part by weight per part by weight of said ferrous compound. ### Claim 22 (depends on 21) A shaped body as claimed in claim 21, further comprising a filler. ### Claim 23 (depends on 21) A shaped article obtained by drying a shaped body according to claim 21. ### Claim 24 (depends on 1) A deodorizing composition in accordance with claim 1 wherein said ferrous compound is selected from the group consisting of ferrous chloride, ferrous bromide and ferrous iodide. ### Claim 25 (depends on 1) A deodorizing composition in accordance with claim 1 wherein said ferrous compound is an organic acid salt of iron (II). ### Claim 26 (depends on 18) A deodorizing composition in accordance with claim 18 wherein said ferrous compound is selected from the group consisting of ferrous chloride, ferrous bromide and ferrous iodide. ### Claim 27 (depends on 18) A deodorizing composition in accordance with claim 18 wherein said ferrous compound is an organic acid salt of iron (II). ### Claim 28 (depends on 21) A deodorizing shaped body in accordance with claim 21 wherein said ferrous compound is selected from the group consisting of ferrous chloride, ferrous bromide and ferrous iodide. ### Claim 29 (depends on 21) A deodorizing shaped body in accordance with claim 21 wherein said ferrous compound is an organic acid salt of iron (II).