Invention Grant US3219655A Azo dyestuffs 失效 Basic information Please log in to see more content Basic information Please log in to see more content Azo dyestuffs Patent Title: Azo dyestuffs Application No.: US15781061 Application Date: 1961-12-07 Publication No.: US3219655A Publication Date: 1965-11-23 Inventor: KARL RONCO Applicant: CIBA LTD Assignee: Ciba Ltd Current Assignee: Ciba Ltd Priority: CH1390660 1960-12-12 Main IPC: C09B43/32 IPC: C09B43/32 Public/Granted literature US20250044930A1 MOTION BASED SYSTEMS, APPARATUSES AND METHODS FOR IMPLEMENTING 3D CONTROLS USING 2D CONSTRUCTS, USING REAL OR VIRTUAL CONTROLLERS, USING PREVIEW FRAMING, AND BLOB DATA CONTROLLERS Public/Granted day:2025-02-06 Information query Espacenet IPC分类: C 化学；冶金 C09 染料；涂料；抛光剂；天然树脂；黏合剂；其他类目不包含的组合物；其他类目不包含的材料的应用 C09B 有机染料或用于制造染料的有关化合物；媒染剂；色淀（发酵或用酶的方法合成的目标化合物入C12P） C09B43/00 由其他偶氮化合物制备的偶氮染料 C09B43/32 .用羟基或碘基或它的衍生物，与胺反应，用酮基与胺反应
