AU455067B2 - Basic azo dyes free from sulphonic acid groups, their production and use - Google Patents

Basic azo dyes free from sulphonic acid groups, their production and use

Info

Publication number
AU455067B2
AU455067B2 AU21664/70A AU2166470A AU455067B2 AU 455067 B2 AU455067 B2 AU 455067B2 AU 21664/70 A AU21664/70 A AU 21664/70A AU 2166470 A AU2166470 A AU 2166470A AU 455067 B2 AU455067 B2 AU 455067B2
Authority
AU
Australia
Prior art keywords
production
acid groups
sulphonic acid
azo dyes
basic azo
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
AU21664/70A
Other versions
AU2166470A (en
Inventor
Willy Steinmann Dr
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.)
Sandoz Patent Ltd
Original Assignee
Sandoz Patent Ltd
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 Sandoz Patent Ltd filed Critical Sandoz Patent Ltd
Application granted granted Critical
Publication of AU455067B2 publication Critical patent/AU455067B2/en
Publication of AU2166470A publication Critical patent/AU2166470A/en
Expired legal-status Critical Current

Links

AU21664/70A 1933-08-18 1970-10-29 Basic azo dyes free from sulphonic acid groups, their production and use Expired AU455067B2 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CHCH70 1910-09-02
CHCH16561/69 1969-11-07
CHCH19042/69 1969-12-23
CHCH12175/70 1970-08-13

Publications (2)

Publication Number Publication Date
AU455067B2 true AU455067B2 (en) 1972-05-04
AU2166470A AU2166470A (en) 1972-05-04

Family

ID=

Similar Documents

Publication Publication Date Title
AU455067B2 (en) Basic azo dyes free from sulphonic acid groups, their production and use
AU2166470A (en) Basic azo dyes free from sulphonic acid groups, their production and use
CA336859A (en) Dye production
CA333972A (en) Dyestuff production
CA337327A (en) Acid dyestuff
CA334498A (en) Acid dyestuff
CA330723A (en) Acid dyestuff
CA331452A (en) Azo dyestuff
CA321624A (en) Azo dye
CA347015A (en) Acid dyestuff
CA315286A (en) Azo dye
CA315671A (en) Azo dye
CA316506A (en) Azo dye
CH165829A (en) Diazotization process.
CA316996A (en) Disazo dye
CA312343A (en) Disazo dye
CA315223A (en) Disazo dye
CA336369A (en) Dyestuff
CA335831A (en) Dyestuff
CA331926A (en) Dyestuff
CA336370A (en) Dyestuff
CA331178A (en) Acid production
CA348248A (en) Nitrite production
CA334130A (en) Pin strip
CA330508A (en) Formamide production