Water and oil repellent aqueous composition

Details Water and oil repellent aqueous composition Water and oil repellent aqueous composition

2005-08-04

2008-11-04

Harlan, Robert D. (Department: 1796)

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...

C524S487000

Reexamination Certificate

active

07446145

ABSTRACT:
To provide a water and oil repellent aqueous composition which is excellent in water and oil repellency, which is less likely to cause an ending phenomenon, which is excellent in stability of a processing bath, which is excellent in storage stability of the composition and which is excellent in foam suppression properties. A water and oil repellent aqueous composition comprising a fluorinated water and oil repellent (A), an emulsified product (B) comprising a paraffin wax (such as a paraffin wax having a melting point of from 50 to 70° C. and a penetration hardness at 25° C. of at most 20) and a carboxyl group-containing polyethylene (such as a carboxyl group-containing polyethylene having a melting point of from 90 to 135° C. and an acid value of from 10 to 30 mgKOH/g), and an organic acid (C).

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