ES9773A1 - A process for the preparation of gray, brown or similar coloring substances. - Google Patents

A process for the preparation of gray, brown or similar coloring substances.

Info

Publication number
ES9773A1
ES9773A1 ES9773A ES9773A ES9773A1 ES 9773 A1 ES9773 A1 ES 9773A1 ES 9773 A ES9773 A ES 9773A ES 9773 A ES9773 A ES 9773A ES 9773 A1 ES9773 A1 ES 9773A1
Authority
ES
Spain
Prior art keywords
gray
brown
preparation
coloring substances
similar coloring
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
ES9773A
Other languages
Spanish (es)
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.)
SA Des Matieres Colorantes Et Produits Chimiques Saint Denis
Original Assignee
SA Des Matieres Colorantes Et Produits Chimiques Saint Denis
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by SA Des Matieres Colorantes Et Produits Chimiques Saint Denis filed Critical SA Des Matieres Colorantes Et Produits Chimiques Saint Denis
Priority to ES9773A priority Critical patent/ES9773A1/en
Publication of ES9773A1 publication Critical patent/ES9773A1/en
Expired legal-status Critical Current

Links

ES9773A 1889-06-28 1889-06-28 A process for the preparation of gray, brown or similar coloring substances. Expired ES9773A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES9773A ES9773A1 (en) 1889-06-28 1889-06-28 A process for the preparation of gray, brown or similar coloring substances.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES9773A ES9773A1 (en) 1889-06-28 1889-06-28 A process for the preparation of gray, brown or similar coloring substances.

Publications (1)

Publication Number Publication Date
ES9773A1 true ES9773A1 (en) 1889-09-01

Family

ID=64155870

Family Applications (1)

Application Number Title Priority Date Filing Date
ES9773A Expired ES9773A1 (en) 1889-06-28 1889-06-28 A process for the preparation of gray, brown or similar coloring substances.

Country Status (1)

Country Link
ES (1) ES9773A1 (en)

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