Patent Office Application

Keywords Hoffmann-La Roche
DePENNING
patent
pyrrolidone
R4
nitrogen
Ministry/ Department/ Residency PATENTS AND DESIGNS KOLKATA
Branch Kolkata
From Year / Date
(YYYY-MM-DD)
1961
To Year / Date
(YYYY-MM-DD)
1961
Identifier NAIBHF00006267
File No./Reference No./Sheet No./Folio No. 74949
Location BBSR-R1
File Size 39.2 MB
Pages 23
Language English
Bundle Barcode NAIBHB00000272
File Barcode NAIBHF00006267
QC Certificate No. QC_20240629BH
Bundle No. 80

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