C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
C08G 73/10 (2006.01) C08G 69/10 (2006.01) C08G 73/12 (2006.01) C11D 3/37 (2006.01)
Patent
CA 2267434
The invention relates to a process for preparing polymers having repeating succinyl units, especially polysuccinimide and polyaspartic acid, with increased M W values at non-increased, moderate synthesis temperatures and at the same time without increased polycondensation times, using malefic anhydride and ammonium carbonate plus a catalyst.
Schubart Rudiger
Weider Richard
Aktiengesellschaft Bayer
Swabey Ogilvy Renault
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