US 12,302,899 B2
Liquid concentrate for preservation
Stefan Sakulowski, Norderstedt (DE)
Assigned to ISP Investments LLC, Wilmington, DE (US)
Filed by ASHLAND INDUSTRIES EUROPE GMBH, Schaffhausen (CH)
Filed on Mar. 24, 2023, as Appl. No. 18/189,298.
Application 18/189,298 is a continuation of application No. 16/755,653, granted, now 11,638,426, previously published as PCT/EP2018/078543, filed on Oct. 18, 2018.
Claims priority of application No. 17197082 (EP), filed on Oct. 18, 2017.
Prior Publication US 2023/0225318 A1, Jul. 20, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. A01N 37/10 (2006.01); A01N 25/04 (2006.01); A01N 25/34 (2006.01); A01N 31/02 (2006.01); A61K 8/34 (2006.01)
CPC A01N 37/10 (2013.01) [A01N 25/04 (2013.01); A01N 25/34 (2013.01); A01N 31/02 (2013.01); A61K 8/34 (2013.01)] 10 Claims
 
1. A liquid concentrate consisting of: a) from 15 weight % to 25 weight % of 1,2-octanediol; b) from 15 weight % to 25 weight % of benzoic acid; and c) from 50 weight % to 70 weight % of propylene glycol; wherein a content of aromatic alcohol is less or equal to 5 weight % relative to the weight of the liquid concentrate.