Arnulf Idar Melgard

YA Yara International Asa: 1 patents #2 of 20Top 10%

📍 Skien, NO: #2 of 9 inventorsTop 25%

Overall (2025): #447,923 of 469,880Top 100%

Patents 2025

Issued Patents 2025

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
12252399	Bleaching tower and method for nitric acid production	Halvor Oien	2025-03-18