Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From reactant having at least one -n=c=x group as well as...
Reexamination Certificate
2006-11-14
2009-12-15
Puttlitz, Karl J (Department: 1621)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From reactant having at least one -n=c=x group as well as...
C564S248000
Reexamination Certificate
active
07632911
ABSTRACT:
This invention relates to novel liquid, storage-stable diisocyanates and to a process for the preparation of these liquid, storage-stable diisocyanates. These comprise diphenylmethane diisocyanate and at least one compound which contains both an amide group and a hydroxyl group and which corresponds to one of two specified formulas.
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Adkins Rick L.
Kemp, II Hersel
Newman Lewis S.
Slack William E.
Bayer MaterialScience LLC
Brown N. Denise
Cheung Noland J.
Katakam Sudhakar
Puttlitz Karl J
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