US2017055525A1PendingUtilityA1

Prodiamine-coated fertilizer and method of manufacture

45
Individually held — no corporate assignee on recordPriority: Dec 23, 2011Filed: Nov 13, 2016Published: Mar 2, 2017
Est. expiryDec 23, 2031(~5.4 yrs left)· nominal 20-yr term from priority
Inventors:Lawrence A Miller
C05G 3/60C05G 5/30A01N 43/76A01N 33/18A01N 25/26C05G 3/0041C05G 3/02
45
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Claims

Abstract

An herbicidal concentrate composition that contains Prodiamine herbicide for application to a granular carrier such as a fertilizer granule, or a granule to be mixed with granular fertilizer.

Claims

exact text as granted — not AI-modified
1 - 12 . (canceled) 
     
     
         13 . A method of manufacture of a granular product coated with prodiamine, comprising
 a) providing a granular carrier,   b) coating said carrier with a concentrate solution comprising between 15% and 60% by weight prodiamine and an aprotic solvent, and   c) removing solvent to provide prodiamine-coated granules, wherein said granular prodiamine-coated granular product adapted for use in turf and is effective for weed control in turf and other non-agricultural sites.   
     
     
         14 . The method of  claim 13  wherein the aprotic solvent comprises n-octyl pyrrilidinone. 
     
     
         15 . The method of  claim 13  wherein the aprotic solvent comprises N,M-pyrrolidinone. 
     
     
         16 . The method of  claim 13  wherein the aprotic solvent comprises acetone. 
     
     
         17 . The method of  claim 13 , wherein the concentrate solution further comprises a fatty acid dialkylamide solvent. 
     
     
         18 . The method of  claim 13 , wherein the concentrate solution further comprises gamma-Butyrolactone 
     
     
         19 . The method of  claim 13 , wherein the carrier comprises granular fertilizer. 
     
     
         20 . The method of  claim 13 , wherein the concentrate further comprises one or more of an alkyl-alkoxylate-based emulsifier, a hydrophilic non-ionic emulsifier, a fatty acid benzene sulfonate. 
     
     
         21 . The method of  claim 13 , wherein the concentrate further comprises an anionic emulsifier. 
     
     
         22 . The method of  claim 13  further comprising coating the granular product with an outer coating to improve flowability, hydroscopic properties, or to insulate the prodimine from incidental contact with a person applying the combination prodiamine product to turf. 
     
     
         23 . The method of  claim 13 , wherein the concentrate further comprises fenoxaprop-p-ethyl, wherein the weight ratio of prodiamine to fenoxyprop is between 3:1 to 8:1. 
     
     
         24 . The method of  claim 13  further comprising coating the granular product with an outer coating to improve flowability, hydroscopic properties, or to insulate the prodimine from incidental contact with a person applying the combination prodiamine product to turf. 
     
     
         25 . The method of  claim 13 , comprising coating the granular product with an outer coating. 
     
     
         26 . A method of weed control comprising applying the granular product coated with prodiamine of  claim 13  to turf. 
     
     
         27 . A method of weed control comprising applying the granular product coated with prodiamine of  claim 23  to turf.

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