GB190802306A - - Google Patents

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Publication number
GB190802306A
GB190802306A GB190802306DA GB190802306A GB 190802306 A GB190802306 A GB 190802306A GB 190802306D A GB190802306D A GB 190802306DA GB 190802306 A GB190802306 A GB 190802306A
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United Kingdom
Prior art keywords
gallocyanine
chloride
huguenin
durand
leuco
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
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.)
FARBWERKE VORM L DURAND HUGUEN
Original Assignee
FARBWERKE VORM L DURAND HUGUEN
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.)
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Publication date
Application filed by FARBWERKE VORM L DURAND HUGUEN filed Critical FARBWERKE VORM L DURAND HUGUEN
Application granted granted Critical
Publication of GB190802306A publication Critical patent/GB190802306A/en
Expired legal-status Critical Current

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  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Saccharide Compounds (AREA)

Abstract

2306. Farbwerke vorm. L. Durand, Huguenin, &. Cie. Feb. 14, 1907, [date applied for under Section 91 of Patents &c. Act, 1907]. [Patent of Addition to No. 1334, A.D. 1908.] Dyes, artificial.-The leuco-gallocyanine described in Specification No. 1334, A.D. 1908, is produced by heating salts of ordinary gallocyanine with acids etc.; for example, the chloride is heated with water, in the presence or absence of a metallic chloride or free hydrochloric acid.
GB190802306D 1907-01-21 1908-02-01 Expired GB190802306A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB190701334T 1907-01-21
DE190802306X 1907-02-14

Publications (1)

Publication Number Publication Date
GB190802306A true GB190802306A (en) 1908-06-04

Family

ID=32852082

Family Applications (1)

Application Number Title Priority Date Filing Date
GB190802306D Expired GB190802306A (en) 1907-01-21 1908-02-01

Country Status (1)

Country Link
GB (1) GB190802306A (en)

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