US

Ulrich Steffen

BH Bayer Healthcare: 4 patents #2,099 of 8,007Top 30%
📍 Leverkusen, DE: #478 of 1,687 inventorsTop 30%
Overall (All Time): #1,309,811 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
4357445 Process for the production of cross-linked graft copolymers Heinrich Alberts, Leo Morbitzer 1982-11-02
4329267 Process for the preparation of ethylene-vinyl ester graft polymer dispersions Klaus Riebel, Heinrich Alberts, Herbert Bartl, Fritz Mietzsch 1982-05-11
4263418 Graft copolymers containing allyl compounds Heinrich Alberts, Richard Prinz 1981-04-21
4241197 Graft copolymers containing (meth)acrylic acid or (meth)acrylic acid esters Heinrich Alberts, Richard Prinz 1980-12-23