IP Library Granted Patent US 10,595,528
Granted Patent B2
US 10,595,528 · App. 15/031,029 · Granted Mar 24, 2020

Liquid spray agent for agricultural use

View Patent ↗
Loading inventors, assignments & file history…
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 10,595,528
App. No.
15/031,029
Granted
Mar 24, 2020
Kind
B2
Abstract

Provided is a liquid spray agent for agricultural use, including a polyvinyl alcohol-based resin having a saponification degree of from 30 mol %, to 60 mol %. With this, a liquid spray agent for agricultural use, which is used in agricultural and horticultural fields and has high fixation ability and excellent sprayability, can be provided.

Claims (4)

1. A liquid spray agent for agricultural use, comprising a polyvinyl alcohol resin having a saponification degree of from 30 mol % to 50 mol % and an average degree of polymerization of from 100 to 2,000; and further comprising a fertilizer, an herbicide, or an insect repellent.

2. The liquid spray agent for agricultural use according to claim 1 , wherein the polyvinyl alcohol resin comprises unmodified polyvinyl alcohol, carboxyl group-containing PVA, sulfonic group-containing PVA, phosphoric group-containing PVA, oxyalkylene group-containing PVA, acetoacetyl group-containing PVA, diacetone acrylamide-modified PVA, mercapto group-containing PVA, silanol group-containing PVA, or side-chain 1,2-diol structural unit-containing PVA.

3. The liquid spray agent for agricultural use according to claim 1 , further comprising, as a solvent, water containing an alcohol.

4. The liquid spray agent for agricultural use according to claim 1 , wherein the liquid spray agent for agricultural use further comprises a spray agent for foliar application.

Assignments (2)
MERGER Recorded May 2, 2019
From: THE NIPPON SYNTHETIC CHEMICAL INDUSTRY CO., LTD.
To: MITSUBISHI CHEMICAL CORPORATION
Reel/Frame 049110/0285 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Apr 21, 2016
From: FURO, CHIZUKO; MANDAI, SHUSAKU
To: THE NIPPON SYNTHETIC CHEMICAL INDUSTRY CO., LTD.
Reel/Frame 038342/0328 →