CA859141A - Brown dye and process for the production thereof - Google Patents

Brown dye and process for the production thereof

Info

Publication number
CA859141A
CA859141A CA859141A CA859141DA CA859141A CA 859141 A CA859141 A CA 859141A CA 859141 A CA859141 A CA 859141A CA 859141D A CA859141D A CA 859141DA CA 859141 A CA859141 A CA 859141A
Authority
CA
Canada
Prior art keywords
production
brown dye
brown
dye
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA859141A
Inventor
Yamamoto Masakazu
Nishimura Shinzi
Otsuka Hideo
Ikeda Takuo
Sugiyama Hiroshi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sumitomo Chemical Co Ltd
Original Assignee
Sumitomo Chemical Co Ltd
Publication date
Application granted granted Critical
Publication of CA859141A publication Critical patent/CA859141A/en
Expired legal-status Critical Current

Links

CA859141A Brown dye and process for the production thereof Expired CA859141A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA859141T

Publications (1)

Publication Number Publication Date
CA859141A true CA859141A (en) 1970-12-22

Family

ID=36344599

Family Applications (1)

Application Number Title Priority Date Filing Date
CA859141A Expired CA859141A (en) Brown dye and process for the production thereof

Country Status (1)

Country Link
CA (1) CA859141A (en)

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