Coated powder particles

Abstract

There is provided a powder composition comprising a collection of particles (I) having median particle diameter of 10 micrometers to 200 micrometers, wherein each of said particles (I) comprises (a) a covering of a fatty compound having melting point of 50° C. to 110° C. and (b) one or more inner particles (II) comprising one or more complex that contains a cyclopropene compound molecule or a portion of a cyclopropene compound molecule encapsulated in a molecule of a molecular encapsulating agent. Also provided is a slurry comprising water and such a powder. Also provided is a method of contacting plants or plant parts with such a slurry.

1 . A powder composition comprising a collection of particles (I) having median particle diameter of 10 micrometers to 200 micrometers, wherein each of said particles (I) comprises
 (a) a covering of a fatty compound having melting point of 50° C. to 110° C. and   (b) one or more inner particles (II) comprising one or more complex that contains a cyclopropene compound molecule or a portion of a cyclopropene compound molecule encapsulated in a molecule of a molecular encapsulating agent.   
     
     
         2 . The powder composition of  claim 1 , wherein said collection of particles (I) has median particle diameter of 10 micrometers to 100 micrometers. 
     
     
         3 . The powder composition of  claim 1 , wherein said fatty compound has melting point of 70° C. to 90° C. 
     
     
         4 . The powder composition of  claim 1 , wherein said fatty compound comprises hydrogenated soybean oil or hydrogenated cottonseed oil or polyethylene homopolymer wax. 
     
     
         5 . The powder composition of  claim 1 , wherein the amount of said fatty compound is 50% to 99% by weight based on the weight of said powder composition. 
     
     
         6 . The powder composition of  claim 1 ,
 wherein said collection of particles (I) has median particle diameter of 10 micrometers to 100 micrometers;   wherein said fatty compound has melting point of 70° C. to 90° C.; and   wherein the amount of said fatty compound is 50% to 99% by weight based on the weight of said powder composition.   
     
     
         7 . The powder composition of  claim 1 , wherein said powder composition additionally comprises one or more dispersant. 
     
     
         8 . The powder composition of  claim 1 , wherein said powder composition additionally comprises one or more polymer. 
     
     
         9 . A slurry comprising an aqueous medium and a collection of particles (I) having median particle diameter of 10 micrometers to 200 micrometers, wherein each of said particles (I) comprises
 (a) a covering of a fatty compound having melting point of 50° C. to 110° C. and   (b) one or more inner particles (II) comprising one or more complex that contains a cyclopropene compound molecule or a portion of a cyclopropene compound molecule encapsulated in a molecule of a molecular encapsulating agent.   
     
     
         10 . A method of treating plants or plant parts comprising contacting said plants or plant parts with a slurry comprising an aqueous medium and a collection of particles (I) having median particle diameter of 10 micrometers to 200 micrometers, wherein each of said particles (I) comprises
 (a) a covering of a fatty compound having melting point of 50° C. to 110° C. and   (b) one or more inner particles (II) comprising one or more complex that contains a cyclopropene compound molecule or a portion of a cyclopropene compound molecule encapsulated in a molecule of a molecular encapsulating agent.