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
2007-03-06
2007-03-06
Niland, Patrick D. (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...
C524S504000, C524S507000, C524S513000, C524S515000, C524S517000, C524S522000, C524S539000
Reexamination Certificate
active
10532058
ABSTRACT:
An air drying waterborne resin composition is disclosed. Said resin composition comprises at least one amphiphlic air drying dendritic polymer, at least one non-amphiphilic air drying alkyd resin, at least one drier initiating and/or promoting autoxidation, and water, and optionally at least one anionic and/or nonionic surfactant, and/or at least one coalescent agent. Said at least one amphiphilic air drying dendritic polymer is built up from a polyhydric dendritic core polymer having terminal hydroxyl groups and at least one unsaturated carboxylic acid and at least one adduct, obtainable by addition of a monoalkylated polyethylene glycol to a dicarboxylic acid or anhydride and/or a diisocyanate, each bonded to at least one terminal hydroxyl group in said polyhydric dendritic core polymer.
REFERENCES:
patent: 5418301 (1995-05-01), Hult et al.
patent: 0158987 (2001-08-01), None
patent: 0158987 (2001-08-01), None
patent: 0232982 (2002-04-01), None
Alderich Chemical Catelogue, p. 1925, 2005-2006.
Bjornberg Hakan
Haggman Bo
James David
Midelf Birger
Niland Patrick D.
Perstorp Specialty Chemicals AB
Stevens Davis Miller & Mosher L.L.P.
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