C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
260/554.3, 260/5
C07C 233/09 (2006.01)
Patent
CA 1241343
Abstract Carbonamides are prepared from carboxylic acids and ammonia in the presence of a catalytic amount of a hydrated oxide. Preferably a hydrated titanium-, zirconium- or tin oxide in an amount between 0.05 to 10% by weight is used. The hydrated oxide contains at least 4% of water.
457911
Eikelboom Teunis
Rand John A.
Van Dijk Pieter M.
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
Unichema Chemie B.v.
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