Organic compounds -- part of the class 532-570 series – Organic compounds – Isocyanate esters
Reexamination Certificate
2005-05-31
2005-05-31
Zucker, Paul A. (Department: 1621)
Organic compounds -- part of the class 532-570 series
Organic compounds
Isocyanate esters
Reexamination Certificate
active
06900348
ABSTRACT:
A process is provided for preparing light-colored isocyanates which can be used for preparing urethane compounds, in particular polyurethanes, for example polyurethane foams.
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International Preliminary Examination Report.
Abeel Peter van den
Nevejans Filip
Penzel Ulrich
Reif Martin
Scharr Volker
BASF - Aktiengesellschaft
Borrego Fernando A.
Howard & Howard Attys.
Zucker Paul A.
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