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Process for the production of azo dyestuffs which are difficultly soluble in water and are suitable for dyeing in accordance with the neutral dyeing process

Keywords	Remfrey Son J. R. Geigy hydroxyaryl poly-ester fibres NO2 C-C-CH3
Ministry/ Department/ Residency	PATENTS AND DESIGNS KOLKATA
Branch	Kolkata
From Year / Date (YYYY-MM-DD)	1963
To Year / Date (YYYY-MM-DD)	1963
Identifier	NAIBHF00010486
File No./Reference No./Sheet No./Folio No.	89218
Location	BBSR-R1
File Size	85.8 MB
Pages	49
Language	English
Bundle Barcode	NAIBHB00000361
File Barcode	NAIBHF00010486
QC Certificate No.	QC_20240710BH
Bundle No.	169

- Process for the production of azo dyestuffs which ...
- Department: PATENTS AND DESIGNS KOLKATA
- Branch: Kolkata
- Year / Date: 1963
- Process for the production of monoazo dyestuffs wh...
- Department: PATENTS AND DESIGNS KOLKATA
- Branch: Kolkata
- Year / Date: 1963
- Process for the production of azo dyestuffs which ...
- Department: PATENTS AND DISGNS KOLKATA
- Branch: Kolkata
- Year / Date: 1962
- 1340 Views
- Supply of 5 copies of the Report on the Reconnaiss...
- Department: Foreign
- Branch: External-B
- Year / Date: 1892
- Patent Application for 'Process for the production...
- Department: PATENTS AND DISGNS KOLKATA
- Branch: Kolkata
- Year / Date: 1961
- Process for the production of azo dyestuffs
- Department: PATENTS AND DESIGNS KOLKATA
- Branch: Kolkata
- Year / Date: 1963
- Water-soluble yellow monoazo-dyestuffs and process...
- Department: PATENTS AND DESIGNS KOLKATA
- Branch: Kolkata
- Year / Date: 1963
- Water-soluble azo dyestuff and process for prepari...
- Department: PATENTS AND DESIGNS KOLKATA
- Branch: Kolkata
- Year / Date: 1963
- 831 Views
- Request made by the Resident in Waziristan for the...
- Department: Foreign
- Branch: Frontier-B
- Year / Date: 1893
- Process for the production of new reactive anthraq...
- Department: PATENTS AND DISGNS KOLKATA
- Branch: Kolkata
- Year / Date: 1962