HL

Helene LeFranc

RC Rhone-Poulenc Chimie: 2 patents #203 of 660Top 35%
📍 Chaponost, FR: #20 of 52 inventorsTop 40%
Overall (All Time): #2,264,423 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5811559 Preparation of hydroxybenzaldehyes 1998-09-22
5689009 Preparation of hydroxybenzaldehydes 1997-11-18