# US 2025/0143310 A1 · Herbicidal mixtures comprising l-glufosinate or its salt and at least one protoporphyrinogen-ix oxidase inhibitor

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- Number: US 2025/0143310 A1
- Document ID: US20250143310A1
- Status: Published application
- Kind: A1
- Application number: 19/014,544
- Filed: 2025-01-09
- Published: 2025-05-08
- Earliest claimed: 2017-08-09
- Assignees: BASF SE
- Applicants: BASF SE
- Inventors: Christian Harald Winter; Markus Gewehr; Ryan Louis Nielson
- Web page: https://patentgrep.com/patent/US20250143310A1

## CPC

- A01N 57/20: containing acyclic or cycloaliphatic radicals
- A01N 43/54: 1,3-Diazines; Hydrogenated 1,3-diazines
- A01N 43/653: 1,2,4-Triazoles; Hydrogenated 1,2,4-triazoles
- A01N 43/84: six-membered rings with one nitrogen atom and either one oxygen atom or one sulfur atom in positions 1,4
- A01P 13/00: Herbicides; Algicides
- A01N: PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF (preservation of food or foodstuff A23); BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES (preparations for medical, dental or toiletry purposes which kill or prevent the growth or proliferation of unwanted organisms A61K); PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01P: BIOCIDAL, PEST REPELLANT, PEST ATTRACTANT OR PLANT GROWTH REGULATORY ACTIVITY OF CHEMICAL COMPOUNDS OR PREPARATIONS

## Abstract

The present invention relates to herbicidal mixture comprising L-glufosinate or its salt and at least one protoporphyrinogen-IX oxidase inhibitor. The invention furthermore relates to a method for controlling undesirable vegetation in burndown programs, in industrial vegetation management and forestry, in vegetable and perennial crops and in turf and lawn.

## Claims

### Claim at position 1

-15. (canceled)

### Claim 16

A herbicidal mixture comprising
a) L-glufosinate and its salts as compound I; and
b) flumioxazin as compound Il;
wherein L-glufosinate comprises more than 70% by weight of the L-enantiomer.

### Claim 17 (depends on 16)

The herbicidal mixture of claim 16, wherein compound I is selected from the group consisting of L-glufosinate-ammonium, L-glufosinate-sodium as L-glufosinate salts, and L-glufosinate as free acid.

### Claim 18 (depends on 16)

The herbicidal mixture of claim 16, wherein compound I is L-glufosinate-ammonium.

### Claim 19 (depends on 16)

The herbicidal mixture of claim 16, wherein L-glufosinate comprises more than 80% by weight of the L-enantiomer.

### Claim 20 (depends on 16)

The herbicidal mixture of claim 16, wherein L-glufosinate comprises more than 90% by weight of the L-enantiomer.

### Claim 21 (depends on 16)

The herbicidal mixture of claim 16, wherein L-glufosinate comprises 95% by weight of the L-enantiomer.

### Claim 22 (depends on 16)

The herbicidal mixture of claim 16, wherein the weight ratio of compound I to compound Il is from 1000:1 to 1:500.

### Claim 23 (depends on 16)

The herbicidal mixture of claim 16, wherein the weight ratio of compound I to compound Il is from 50:1 to 1:5.

### Claim 24 (depends on 16)

A pesticidal composition, comprising a liquid or solid carrier and the herbicidal mixture of claim 16.

### Claim 25 (depends on 16)

A method for controlling undesirable vegetation comprising applying the herbicidal mixture of claim 16 to a locus where undesirable vegetation is present or is expected to be present.

### Claim 26 (depends on 16, 25)

The method as claimed in claim 25, comprising application of the herbicidal mixture of claim 16 prior to emergence of the crop.

### Claim 27 (depends on 16, 25)

The method as claimed in claim 25, comprising application of the herbicidal mixture of claim 16 prior to planting the crop.

### Claim 28 (depends on 25)

The method of claim 25, wherein the crop is selected from rice, maize, pulse crops, cotton, canola, small grain cereals, soybeans, peanut, sugarcane, sunflower, plantation crops, tree crops, nuts and grapes.

### Claim 29 (depends on 25)

The method of claim 25, wherein the crop is selected from glufosinate tolerant crops.

### Claim 30 (depends on 16, 25)

The method of claim 25, wherein compound I and II of the herbicidal mixture of claim 16 are applied simultaneously, that is jointly or separately, or in succession.