Patent ID: 9416215
Filing Date: 2016-08-16
CPC Classification: B01J,C08G,Y02P

Claim Text:
1. A latent catalyst consisting of a tetravalent mononuclear tin compound of the formula I with at least one ligand bonded via at least one oxygen atom or sulfur atom and comprising at least one nitrogen atom, wherein n1, n2, n3, and n4 are, independently of one another, an integer from 0 to 1 and L wherein at least one ligand per Sn atom has the following significance: wherein wherein R1, R2, R3, and R4 are, independently of one another, saturated or unsaturated, cyclic or acyclic, branched or unbranched, substituted or unsubstituted hydrocarbon residues optionally interrupted by heteroatoms, or R2, R3, and R4 are, independently of one another, hydrogen, R1-X, or R2 and R3 or R2 and R1 or R3 and R1 or R4 and R1 or R4 and R2 form a ring; and wherein the remaining ligands are, independently of one another, —X—Y with the aforementioned significance or have the following significance: