# US 4,391,631 A · Herbicidal composition

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- Number: US 4,391,631 A
- Document ID: US4391631A
- Status: Granted
- Kind: A
- Application number: 06/306,871
- Filed: 1981-09-29
- Granted: 1983-07-05
- Earliest claimed: 1980-11-06
- Assignees: Hodogaya Chemical Co., Ltd.
- Inventors: Tetsuo Takematsu; Takayuki Isogawa; Yasuya Sakuraba
- Web page: https://patentgrep.com/patent/US4391631A

## CPC

- A01N 37/40: having at least one carboxylic group or a thio analogue, or a derivative thereof, and one oxygen or sulfur atom attached to the same aromatic ring system
- 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

## Abstract

A herbicidal composition comprises a benzamide having the formula ##STR1## wherein R represents n--C.sub.4 H.sub.9 O--, C.sub.2 H.sub.5 OCH.sub.2 O-- or n--C.sub.4 H.sub.9 OCH.sub.2 O-- and 3,4-dichloropropionanilide as active ingredients.

## Claims

### Claim 1

A herbicidal composition which consists essentially of a benzamide having the formula: ##STR4## wherein R represents n--C.sub.4 H.sub.9 O--, C.sub.2 H.sub.5 OCH.sub.2 O-- or n--C.sub.4 H.sub.9 OCH.sub.2 O-- and 3,4-dichloropropionanilide as active ingredients in an effective amount for controlling weeds and an adjuvant.

### Claim 2 (depends on 1)

The herbicidal composition according to claim 1 having 0.1 to 95 wt. % of the active ingredients and 99.9 to 5 wt. % of said adjuvant.

### Claim 3 (depends on 1)

The herbicidal composition according to claim 1 wherein ratio of said benzamide to 3,4-dichloropropionanilide is in a range of 1:2.5 to 2:1.