C - Chemistry – Metallurgy – 05 – G
Patent
C - Chemistry, Metallurgy
05
G
C05G 3/00 (2006.01) A01N 25/26 (2006.01) C08F 8/44 (2006.01) C08L 23/32 (2006.01)
Patent
CA 2104688
2104688 9217422 PCTABS00016 An encapsulated water soluble fertilizer which comprises a polymeric film of about 2 to about 100 micrometers coated on a surface of said fertilizer, said polymeric film comprising a covalently crosslinked sulfonated polymer having about 10 to about 200 meq of sulfonate groups per 100 grams of said covalently crosslinked sulfonated polymer, said sulfonate groups being neutralized with a polycaprolactone polymer being characterized by formula (I) wherein R1 and R2 is an alkyl, cycloalkyl or aryl group; R3, R4, and R5 are a hydrogen or alkyl, cycloalkyl, or aryl groups; m equals 1 to 20 and n equals 1 to 500.
Drake Evelyn N.
Elspass Chester W.
Geiger Albert J.
Kresge Edward N.
Nanalastas Pacifico E.
Borden Ladner Gervais Llp
Exxon Research And Engineering Company
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