Invention Grant
- Patent Title: Process for the production of cyanine dyestuffs
- Patent Title (中): 花青染料生产工艺
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Application No.: US79705759Application Date: 1959-03-04
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Publication No.: US3090782APublication Date: 1963-05-21
- Inventor: MAX COENEN , OSKAR WEISSEL , WALTER WUNDER
- Applicant: BAYER AG
- Assignee: Bayer Ag
- Current Assignee: Bayer Ag
- Priority: DEF0025168 1958-03-04; DEF0025191 1958-03-06; DEF0025505 1958-04-16
- Main IPC: C09B23/01
- IPC: C09B23/01 ; C09B23/02 ; C09B23/06 ; C09B23/08 ; C09B23/10 ; C09B23/14 ; D06P5/00 ; G03C1/12
Information query
