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US 11,046,813 B2Granted
Alkoxylated polysorbate ester adjuvants
AssigneeCroda, Inc.
InventorGregory James Lindner
Life of this patent
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Abstract
An agrochemical formulation comprising an agricultural active and an adjuvant is disclosed. The adjuvant comprises a residue of sorbitan or sorbitan derivative having at least one active hydrogen atom replaced to form an ethyloxylated or propoxylated ester. The adjuvant and methods of treating crops with an agrochemical formulation comprising the adjuvant are also disclosed.
Claims13
An agrochemical formulation comprising:
- i) an adjuvant;
- and
- ii) at least one agrochemical active;
- wherein said adjuvant has general structure (I):
- Sorb(AO1H)n1(AO2H)n2(AO3H)n3(AO4R1)n4 (I)
- wherein:
- Sorb represents a residue of a sorbitan or sorbitan derivative;
- AO1, AO2, AO3, and AO4 each independently represents an oxyalkylene group formed from oxyethylene and oxypropylene units, wherein each of AO1, AO2, AO3, and AO4 is a block copolymer of oxyethylene and oxypropylene, wherein a molar proportion of oxyethylene units in the block copolymer is in the range between 20% and 90%;
- the total sum of oxyethylene units and oxypropylene units per molecule of general structure (I) is in the range from 5 to 38;
- n1, n2, n3, and n4 each represent an integer having a value of 1;
- R1 represents an alkanoyl group —C(O)R2 wherein R2 represents a C4 to C28 hydrocarbyl;
- and
- the number of oxyethylene units in each oxyalkylene group present is independently an integer in the range from 1 to 8.
10 more elements
A concentrate formulation suitable for making an agrochemical formulation, said concentrate comprising:
- i) an adjuvant, wherein said adjuvant wherein said adjuvant has general structure (I):
- Sorb(AO1H)n1(AO2H)n2(AO3H)n3(AO4R1)n4 (I)
- wherein:
- Sorb represents a residue of a sorbitan or sorbitan derivative;
- AO1, AO2, AO3, and AO4 each independently represents an oxyalkylene group formed from oxyethylene and oxypropylene units, wherein each of AO1, AO2, AO3, and AO4 is a block copolymer of oxyethylene and oxypropylene;
- the total sum of oxyethylene units and oxypropylene units per molecule of general structure (I) is in the range from 5 to 38;
- n1, n2, n3, and n4 each independently represent an integer having a value of 1;
- R1 represents an alkanoyl group —C(O)R2 wherein R2 represents a C4 to C28 hydrocarbyl;
- and
- the number of oxyethylene units in each oxyalkylene group present is independently an integer in the range from 1 to 8;
- and
- ii) optionally, at least one agrochemical active.
9 more elements
A compound having general structure (I):
- Sorb(AO1H)n1(AO2H)n2(AO3H)n3(AO4R1)n4 (I)
- wherein:
- Sorb represents a residue of a sorbitan or sorbitan derivative;
- AO1, AO2, AO3, and AO4 each independently represents an oxyalkylene group formed from oxyethylene and oxypropylene units, wherein each of AO1, AO2, AO3, and AO4 is a block copolymer of oxyethylene and oxypropylene;
- the total sum of oxyethylene units and oxypropylene units per molecule of general structure (I) is in the range from 5 to 38;
- n1, n2, n3, and n4 each independently represent an integer having a value of 1;
- R1 represents an alkanoyl group —C(O)R2 wherein R2 represents a C4 to C28 hydrocarbyl;
- suitable for use as an adjuvant in an agrochemical formulation;
- and
- the number of oxyethylene units in each oxyalkylene group present is independently an integer in the range from 1 to 8.
7 more elements
Dependencies are inferred from the claim text.