Patents

Ecolab Patents Coffee Stain Removal with Novel Oxidizer and Chelant Combination

The ware washing formulation minimizes the use of chelants.

US 12,054,694 B2 (David Dotzauer, John Mansergh, Krista Kutz Otting, Tobias Neil Foster); Ecolab USA patented a method of using a detergent composition that can remove tea and coffee soil. The detergent solution consisting of water; alkali metal carbonate; a chelant that is methylglycinediacetic acid and optionally glutamic acid N,N-diacetic acid and/or alkali metal tripolyphosphate; alkali metal percarbonate; a peroxidation catalyst according to formula (XIX) or formula (XX) show below:

US 12,054,694 B2

It also optionally includes a compound selected from: silicates, detergent fillers or binding agents, polyoxypropylene-polyoxethylene block copolymer nonionic surfactants, enzymes, dyes, odorants, aminotris(methylenephosphonic acid) and mixtures thereof.

The detergent solution does not contain manganese oxalate or a polycarboxylate polymer.

Add us as a preferred source on Google

Get the latest Happi news, insights and analysis in your Google Search and AI experiences.

Keep Up With Our Content. Subscribe To Happi Newsletters