Hydroxyl-containing surfactants with low surface tension and...

Cleaning compositions for solid surfaces – auxiliary compositions – Cleaning compositions or processes of preparing – For cleaning a specific substrate or removing a specific...

Reexamination Certificate

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C510S421000, C510S475000, C510S505000, C510S535000

Reexamination Certificate

active

07598215

ABSTRACT:
The invention provides hydroxyl-containing surfactants with low surface tension and provides for their use as surfactants in aqueous coating formulations, the surfactants being preparable by reacting one or more epoxides of formula (I)with at least one hydroxy compound of formula (II)and/or at least one, or two or more, amine(s) of formula (III)reacted in preferably either approximately equivalent amounts of hydroxy and/or amino groups with epoxide groups, or with an excess of hydroxy or amine hydrogen atoms, respectively.

REFERENCES:
patent: 2997447 (1961-08-01), Russell et al.
patent: 6495727 (2002-12-01), Jordan et al.
patent: 2004/0077904 (2004-04-01), Nagasawa et al.
patent: 0 897 744 (1999-02-01), None

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