US 12,342,815 B2
Combinations containing PVA and certain herbicides with improved properties
Lothar Lorentz, Waldbröl (DE); Roland Deckwer, Düsseldorf (DE); Stefan Sachau, Cologne (DE); Udo Bickers, Cologne (DE); Markus Telscher, Monheim (DE); and Angela Kazmierczak, Horace, ND (US)
Assigned to BAYER AKTIENGESELLSCHAFT, Leverkusen (DE)
Appl. No. 17/264,218
Filed by BAYER AKTIENGESELLSCHAFT, Leverkusen (DE)
PCT Filed Jul. 23, 2019, PCT No. PCT/EP2019/069796
§ 371(c)(1), (2) Date Jan. 28, 2021,
PCT Pub. No. WO2020/025393, PCT Pub. Date Feb. 6, 2020.
Claims priority of provisional application 62/811,782, filed on Feb. 28, 2019.
Claims priority of application No. 18186336 (EP), filed on Jul. 30, 2018.
Prior Publication US 2021/0400955 A1, Dec. 30, 2021
This patent is subject to a terminal disclaimer.
Int. Cl. A01N 25/30 (2006.01); A01N 25/00 (2006.01); A01N 25/24 (2006.01); A01N 57/20 (2006.01)
CPC A01N 25/24 (2013.01) [A01N 25/30 (2013.01); A01N 57/20 (2013.01)] 18 Claims
 
1. A combination comprising constituents (I) and (II):
(I) one or more polyvinyl alcohols with a degree of polymerization in a range of 250 to 500; and
(II) a composition comprising constituents (a) and (b):
(a) one or more water-soluble herbicidal active crop protectant ingredients; and
(b) one or more C10-C16 fatty alcohol diethylene glycol ether sulfate salts and/or C8-C12 alkylpolyglucosides with a degree of polymerization of less than 5, and/or C12-C16 alkyl amine ethoxylates with 2 to 10 ethylene oxide (EO) units;
wherein constituent (a) of constituent (II) comprises or consists of one or more active ingredients selected from the group consisting of glufosinate and salts thereof, glyphosate and salts thereof, MCPA and salts thereof, dicamba and salts thereof, 2,4-D and salts thereof and dichlorprop and salts thereof,
wherein the ratio of a total amount of constituent (I) to a total amount of constituent (II) is in a range of from 1:30 to 1:12, based on a total weight of the combination,
wherein in the constituent (II) a ratio by weight of a total amount of the constituent (a) to a total amount of the constituent (b) is in a range of from 10:1 to 1:6, and
wherein the composition exhibits improved rainfastness as compared to a composition comprising constituent (II) but not constituent (I).