	US 12,070,030 B2
	Method for cleaning medical equipment
Sebastian Alexander Weisse, Ludwigshafen am Rhein (DE); Bernhard Vath, Ludwigshafen am Rhein (DE); Tobias Heinz Steinke, Ludwigshafen am Rhein (DE); and Robert D. Ober, Wyandotte, MI (US)
Assigned to BASF SE, Ludwigshafen am Rhein (DE)
Appl. No. 17/923,242
Filed by BASF SE, Ludwigshafen am Rhein (DE)
PCT Filed May 10, 2021, PCT No. PCT/EP2021/062271 § 371(c)(1), (2) Date Nov. 4, 2022, PCT Pub. No. WO2021/228739, PCT Pub. Date Nov. 18, 2021.
Claims priority of application No. 20174553 (EP), filed on May 14, 2020.
Prior Publication US 2023/0225312 A1, Jul. 20, 2023
Int. Cl. A61L 2/235 (2006.01); A01N 25/10 (2006.01); A01N 25/16 (2006.01); A01N 31/02 (2006.01); A01N 59/16 (2006.01); B08B 1/10 (2024.01); C08J 9/00 (2006.01); C08J 9/14 (2006.01); A61L 101/02 (2006.01)

CPC A01N 25/10 (2013.01) [A01N 25/16 (2013.01); A01N 31/02 (2013.01); A01N 59/16 (2013.01); A61L 2/235 (2013.01); B08B 1/10 (2024.01); C08J 9/0066 (2013.01); C08J 9/141 (2013.01); A61L 2101/02 (2020.08); A61L 2202/17 (2013.01); A61L 2202/24 (2013.01); C08J 2203/14 (2013.01); C08J 2203/182 (2013.01); C08J 2205/05 (2013.01); C08J 2207/12 (2013.01); C08J 2361/28 (2013.01)]

8 Claims

1. A method for cleaning medical equipment comprising scrubbing the equipment with a melamine-formaldehyde foam comprising an antibacterial active composition, wherein the melamine-formaldehyde foam is prepared from a melamine-formaldehyde precondensate, wherein the molar ratio melamine to formaldehyde of the melamine-formaldehyde precondensate is smaller than 0.5,

wherein the melamine-formaldehyde foam is prepared in the presence of a surfactant mixture comprising 50 to 90 wt. % of at least one alkanesulfonate and 10 to 50 wt.-% of at least one alkyl polyethylene glycol ether, and

wherein the medical equipment is a catheter or an endoscope.