# US 8,541,344 B2 · Compositions with cyclopropenes and metal-complexing agents > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 8,541,344 B2 - Document ID: US8541344B2 - Status: Granted - Kind: B2 - Application number: 11/131,615 - Filed: 2005-05-18 - Published: 2005-11-24 - Granted: 2013-09-24 - Earliest claimed: 2004-05-19 - Assignees: Rohm and Haas Company - Applicants: Edward Charles Kostansek; Bridget Marie Stevens - Inventors: Edward Charles Kostansek; Bridget Marie Stevens - Web page: https://patentgrep.com/patent/US8541344B2 ## CPC - A01N 3/00: Preservation of plants or parts thereof, e.g. inhibiting evaporation, improvement of the appearance of leaves {or protection against physical influences such as UV radiation using chemical compositions} (preservation or chemical ripening of fruit or vegetables A23B7/00); Grafting wax - A01N 27/00: Biocides, pest repellants or attractants, or plant growth regulators containing hydrocarbons - A01N: PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF (preservation of food or foodstuff A23); BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES (preparations for medical, dental or toiletry purposes which kill or prevent the growth or proliferation of unwanted organisms A61K); PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS ## Abstract A composition is provided that contains a cyclopropene and a metal-complexing agent. Also provided is a method that includes contacting such compositions to plants or plant parts. ## Claims ### Claim 1 A sprayable liquid composition comprising: at least one cyclopropene of the formula (1) wherein R is selected from the group consisting of hydrogen, an unsubstituted alkyl, alkenyl, alkynyl, cycloalkyl, cycloalkylalkyl, phenyl, or naphthyl group, and a substituted alkyl, alkenyl, alkynyl, cycloalkyl, cycloalkylalkyl, phenyl, or naphthyl group having as a substitutent a halogen, alkoxy, substituted phenoxy, or unsubstituted phenoxy group; at least molecular encapsulating agent that encapsulates the cyclopropene; at least one metal complexing agent selected from the group consisting of ethylenediaminetetraacetic acid (EDTA), hydroxyethylethylenediaminetriacetic acid, nitrilotriacetic acid, N-dihydroxyethylglycine, and ethylenebis(hydroxyphenylglycine); and water. ### Claim 2 (depends on 1) The liquid composition of claim 1, wherein the metal complexing agent is EDTA. ### Claim 3 (depends on 2) The liquid composition of claim 2, wherein the composition further comprises an alkaline carbonate. ### Claim 4 (depends on 3) The liquid composition of claim 3, wherein the alkaline carbonate is sodium carbonate. ### Claim 5 (depends on 1) A method for blocking the effects of ethylene or plant part, the method comprising contacting the liquid composition of claim 1 to the plant or plant part. ### Claim 6 (depends on 5) The method according to claim 5, wherein contacting the liquid composition to the plant or plant part comprises spraying, foaming, fogging, pouring, brushing, or dipping. ### Claim 7 (depends on 6) The method according to claim 6, wherein contacting the liquid composition to the plant or plant part comprises dipping. ### Claim 8 (depends on 6) The method according to claim 6, wherein contacting the liquid composition to the plant or plant part comprises spraying. ### Claim 9 (depends on 1) The liquid composition of claim 1, wherein the amount of the cyclopropene(s) in the composition is between 1 ppb and 1,000 ppm. ### Claim 10 (depends on 1) The liquid composition of claim 1, wherein the metal complexing agent is in a complex with one or more metal ions. ### Claim 11 (depends on 9) A method for blocking the effects of ethylene in a plant or plant part, the method comprising: contacting the liquid composition of claim 9 to the plant or plant part. ### Claim 12 (depends on 9) The liquid composition of claim 9, wherein the metal complexing agent is in a complex with one or more metal ions. ### Claim 13 (depends on 10) The liquid composition of claim 10, wherein the composition comprises metal complexing agent in a complex with iron ions. ### Claim 14 (depends on 10) The liquid composition of claim 10, wherein the composition comprises metal complexing agent in a complex copper ions. ### Claim 15 (depends on 6) The method according to claim 6, wherein contacting the composition to the plant or plant part comprises spraying and dipping. ### Claim 16 (depends on 5) The method according to claim 5, wherein contacting the composition to the plant or plant part is performed in a ventilated area. ### Claim 17 (depends on 10) A method for blocking the effects of ethylene in a plant or plant part, the method comprising: contacting the liquid composition of claim 10 to the plant or plant part. ### Claim 18 (depends on 12) A method for blocking the effects of ethylene in a plant or plant part, the method comprising: contacting the liquid composition of claim 12 to the plant or plant part. ### Claim 19 (depends on 5) The method according to claim 5, wherein when contacting the liquid composition to the plant or plant part, cyclopropene is released from the molecular encapsulating agent in an amount greater than is released upon contact with a plant or plant part of an otherwise identical composition that does not comprise the metal complexing agent. ### Claim 20 (depends on 5) The method according to claim 5, wherein substantially all of the cyclopropene is released from the molecular encapsulating agent when the liquid composition contacts the plant or plant part. ### Claim 21 (depends on 1) The liquid composition of claim 1, wherein the metal complexing agent is present in an amount of 1% by weight or less of the composition. ### Claim 22 (depends on 1) The liquid composition of claim 1, wherein the metal complexing agent is present in an amount of 0.01% by weight or more of the composition.