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
2005-02-01
2005-02-01
Wu, David W. (Department: 1713)
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...
C524S494000, C524S529000, C523S153000, C523S200000, C523S156000, C523S202000, C523S214000
Reexamination Certificate
active
06849683
ABSTRACT:
Process for providing a binder for mineral wool products, said process comprising the steps of: mixing together under reactive conditions a carboxylic acid with an alkanolamine, whereby optionally these are firstly mixed to provide a resin, which resin is subsequently reacted with a separate carboxylic acid group containing polymer.
REFERENCES:
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patent: 0990727 (1999-08-01), None
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patent: WO 9731036 (1997-08-01), None
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Database XPI XP002154409 Derwent Publications Ltd. (Matsumoto Yushi Seiyaku KK) Mar. 8, 1994.
Hansen Erling Lennart
Husemoen Thor
Nissen Povl
Rockwool International A/S
Sastri Satya B
Webb Ziesenheim & Logsdon Orkin & Hanson, P.C.
Wu David W.
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