Patent ID: 9439974
Filing Date: 2016-09-13
CPC Classification: A61K,A61P

Claim Text:
1. A process which comprises reacting a compound of the general formula in which one of X and X′ represents a polymer, and the other represents a hydrogen atom; Q independently represents a linking group; W′ represents an electron-withdrawing group, or, if X′ represents a polymer, X-Q-W′ together represents an electron withdrawing group; A represents a C B represents a bond or a C each L independently represents a leaving group; with compounds of the general formulae Z 1 Nu and Z 2 Nu in successive steps, wherein Z 1 are Z 2 are separate proteins, and each Nu independently represents an amine group, or with a compound of the formula Z(Nu) 2 in which Z represents a single protein, and each Nu independently represents an amine group.