FL

Francois-Bernard Laumain

SS Societe Chimique Des Charbonnages S.A.: 2 patents #12 of 111Top 15%
PK Produits Chimiques Uging Kuhlmann: 1 patents #44 of 118Top 40%
Overall (All Time): #1,678,051 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4600730 Stable prepolymers of polyisocyanate with hydroxyl functions, a process for their manufacture and their application to the manufacture of polyurethanes 1986-07-15
4595712 Stable prepolymers of polyisocyanate with hydroxyl functions, a process for their manufacture and their application to the manufacture of polyurethanes 1986-06-17
4499222 Phosphorus-containing flame proofing compositions for synthetic materials Michel Bernard, Daniel Balde, Elie Ghenassia 1985-02-12