Coating composition containing a low MFI ethylene acrylic...

Details Coating composition containing a low MFI ethylene acrylic... Coating composition containing a low MFI ethylene acrylic...

2005-02-08

2005-02-08

Cain, Edward J. (Department: 1714)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

Reexamination Certificate

active

06852792

ABSTRACT:
This invention is directed to the discovery that ethylene-acid copolymers that have low melt flow index MFI (namely less than 100 g/10 min measured according to ASTM D1238 at 190° C., 2.16 kg) even with low acid content (such as less than 20 wt. %) can provide stable aqueous dispersions directly in aqueous media (i.e. free from any other solvent) with less than 1 wt. % non-dispersibles in single bases even at mild dispersion process conditions, at temperature less than 100°C., atmospheric pressure, and with low agitation speed.

REFERENCES:
patent: 4173669 (1979-11-01), Ashida et al.
patent: 4351931 (1982-09-01), Armitage
patent: 4693909 (1987-09-01), Ziegler et al.
patent: 5387635 (1995-02-01), Rowland et al.
patent: 5419960 (1995-05-01), Touhsaent
patent: 5773510 (1998-06-01), Kazmaier
patent: 6017615 (2000-01-01), Thakker
patent: 0 541 477 (1993-05-01), None
patent: WO 9425270 (1994-11-01), None
PCT International Search Report for International application No. PCT/US00/09880 dated Jul. 21, 2000.

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