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Patent Application - A new method for the manufacture of sulphuric acid esters of leuco vat dyes

Keywords	Sulfuric acid esters vat dyes leuco compounds pyridine sulfuramic acid phosphorous oxychloride
Ministry/ Department/ Residency	PATENTS AND DESIGNS KOLKATA
Branch	Kolkata
From Year / Date (YYYY-MM-DD)	1961
To Year / Date (YYYY-MM-DD)	1961
Identifier	NAIBHF00005763
File No./Reference No./Sheet No./Folio No.	78479
Location	BBSR-R1
File Size	28.9 MB
Pages	17
Language	English
Bundle Barcode	NAIBHB00000262
File Barcode	NAIBHF00005763
QC Certificate No.	QC_20240629BH
Bundle No.	70

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- Branch: Kolkata
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- Department: PATENTS AND DISGNS KOLKATA
- Branch: Kolkata
- Year / Date: 1961