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
2006-01-10
2006-01-10
Lipman, Bernard (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...
C524S557000, C525S058000, C525S061000, C525S383000, C525S385000
Reexamination Certificate
active
06984690
ABSTRACT:
The present invention relates to high-molecular-weight crosslinked polyvinyl butyrals obtainable by crosslinking a polyvinyl butyral with benzofuranone and/or with at least one derivative of the same, as crosslinking reagent, to their use, and to a process for their preparation.
REFERENCES:
patent: 2448260 (1948-08-01), Flodin
patent: 5179171 (1993-01-01), Minami et al.
patent: 5268490 (1993-12-01), Hann et al.
patent: 5389597 (1995-02-01), Hann et al.
patent: 5512621 (1996-04-01), Pastor et al.
patent: 5516920 (1996-05-01), Nesvadba et al.
patent: 5852090 (1998-12-01), Meier et al.
patent: 43 30 354 (1995-03-01), None
patent: 0 211 818 (1987-02-01), None
patent: 0 211 819 (1987-02-01), None
patent: 0 891 989 (1999-01-01), None
US 5,955,619, 09/1999, Nesvadba et al. (withdrawn)
Ciba Specialty Chemicals Corp.
Lipman Bernard
Stevenson Tyler A.
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