Cleaning compositions for solid surfaces – auxiliary compositions – Cleaning compositions or processes of preparing – For cleaning a specific substrate or removing a specific...
Reexamination Certificate
2006-03-22
2009-10-06
Mruk, Brian P (Department: 1796)
Cleaning compositions for solid surfaces, auxiliary compositions
Cleaning compositions or processes of preparing
For cleaning a specific substrate or removing a specific...
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
Hinrichs Petra
Lehmann Kathrin
Ulrich-Brehm Isabella
Weyershausen Bernd
Frommer & Lawrence & Haug LLP
Goldschmidt GmbH
Mruk Brian P
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