	US 12,285,014 B2
	Aqueous 1,2-benzisothiazolin-3-one concentrates
Rudiger Baum, Neulussheim (DE); Thomas Wunder, Neustadt a.d. Weinstrasse (DE); Hans-Jurgen Schmidt, Speyer (DE); and Peter Erich Hahn, Lampertheim (DE)
Assigned to Thor GmbH, Speyer (DE)
Appl. No. 17/285,152
Filed by THOR GMBH, Speyer (DE)
PCT Filed Nov. 25, 2019, PCT No. PCT/EP2019/000319 § 371(c)(1), (2) Date Apr. 14, 2021, PCT Pub. No. WO2020/108784, PCT Pub. Date Jun. 4, 2020.
Claims priority of application No. 18000931.8 (DE), filed on Nov. 30, 2018.
Prior Publication US 2021/0360923 A1, Nov. 25, 2021
Int. Cl. A01N 43/80 (2006.01); A01N 25/02 (2006.01); A01N 43/40 (2006.01); A01P 1/00 (2006.01)

CPC A01N 43/80 (2013.01) [A01N 25/02 (2013.01); A01N 43/40 (2013.01); A01P 1/00 (2021.08)]

12 Claims

1. An aqueous biocide composition, containing the following components:

(a) 9 wt. % to 11.5 wt. % 1,2-benzisothiazolin-3-one;

(b) a dissolved alkalizing agent, containing 0.95 to 1.05 mol sodium and potassium hydroxide, each based on one mol of the 1,2-benzisothiazolin-3-one present as component (a), and

characterized in that the composition:

(i) has a pH value in the range of pH 9.5 to pH 11.9; and

(ii) the molar fraction of sodium ions, based on the sodium and potassium ions contained in the composition, is in the range of 15 to 45 mol %.