US 12,389,912 B2
Microparticle compositions comprising saflufenacil
Ulrich Steinbrenner, Ludwigshafen (DE); Joerg Steuerwald, Limburgerhof (DE); Katharine Klamczynski, Limburgerhof (DE); and Wolfgang Laik, Neustadt (DE)
Assigned to BASF AGRO B.V., Arnhem (NL)
Appl. No. 17/610,500
Filed by BASF AGRO B.V., Arnhem (NL)
PCT Filed May 27, 2020, PCT No. PCT/EP2020/064626
§ 371(c)(1), (2) Date Nov. 11, 2021,
PCT Pub. No. WO2020/244978, PCT Pub. Date Dec. 10, 2020.
Claims priority of application No. 19179063 (EP), filed on Jun. 7, 2019.
Prior Publication US 2022/0240507 A1, Aug. 4, 2022
Int. Cl. A01N 43/54 (2006.01); A01N 25/10 (2006.01); A01P 13/00 (2006.01)
CPC A01N 43/54 (2013.01) [A01N 25/10 (2013.01); A01P 13/00 (2021.08)] 16 Claims
 
1. A microparticle composition comprising saflufenacil, wherein saflufenacil is present in the form of microparticles, which comprise solid saflufenacil, which is surrounded or embedded by an aminoplast polymer, which is a polycondensation product of one or more amino compounds and one or more aldehydes, and further comprising at least one lignin based sulfonic acid A, wherein said lignosulfonic acid A has an average molar weight MW of at least 10,000 Da and a degree of sulfonation from 1.0 to 2.5 mol per kilogram of said lignosulfonic acid A, and wherein the aminoplast polymer is selected from the group consisting of melamine formaldehyde resins, urea formaldehyde resins, and mixtures thereof.