Improvements in or relating to methods of producing Vitamin A

Keywords Vitamin A
ethanol
sulphuric acid
diethyl ether
sodium bicarbonate
magnesium sulphate
reduced pressure.
Ministry/ Department/ Residency PATENTS AND DISGNS KOLKATA
Branch Kolkata
From Year / Date
(YYYY-MM-DD)
1963
To Year / Date
(YYYY-MM-DD)
1963
Source Organization NA
Identifier NAIBHF00008327
File No./Reference No./Sheet No./Folio No. 86587
Location BBSR-R1
Part No. NA
File Size 23.1 MB
Pages 13
Call Number NA
Publisher NA
Subject NA
Creator NA
Accession Number NA
Series NA
Year of Publication NA
Language English
Bundle Barcode NAIBHB00000315
Location Code NA
File Barcode NAIBHF00008327
QC Certificate No. QC_20240705BH
Bundle No. 123
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