Organic compounds -- part of the class 532-570 series – Organic compounds – Oxygen containing
Reexamination Certificate
2005-03-08
2005-03-08
Cain, Edward J. (Department: 1714)
Organic compounds -- part of the class 532-570 series
Organic compounds
Oxygen containing
C568S613000, C568S616000, C568S618000
Reexamination Certificate
active
06864395
ABSTRACT:
This invention provides water-based compositions, particularly coating, ink, fountain solution and agricultural compositions, manifesting reduced equilibrium and dynamic surface tension by the incorporation of a surface tension reducing amount of an acetylenic diol ethylene oxide/propylene oxide adduct of the structure:where r and t are 1 or 2, (n+m) is 1 to 30 and (p+q) is 1 to 30.Also disclosed is a method for making random and block EO/PO adducts of acetylenic diols by reacting an acetylenic diol with EO and/or PO in the presence of a trialkylamine or Lewis acid.
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Lassila Kevin Rodney
Schwartz Joel
Uhrin Paula Ann
Air Products and Chemicals Inc.
Cain Edward J.
Leach Michael
LandOfFree
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