Patent ID: 11891602
Assignee: TORAY INDUSTRIES, INC.
Field: Biotechnology (Chemistry)
Classification: CPC C | IPC C

Claim 4:
5. The method according to claim 1, wherein at least one of:
(i) the uronium-based dehydration condensation agent comprising an N-hydroxy nitrogen-containing aromatic ring structure is a benzotriazolyluronium-based dehydration condensation agent,
(ii) the N-hydroxy nitrogen-containing aromatic compound is hydroxybenzotriazole or a derivative thereof,
(iii) the cyano(hydroxyimino)acetic acid ester is a cyano(hydroxyimino)acetic acid alkyl ester, and
(iv) the N-hydrocarbon-substituted imidazole derivative is an N-alkylimidazole derivative.