Inventor

SIKORA HELGA

DE5 patents

⚠️ This page may combine multiple inventors who share the name “SIKORA HELGA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HOECHST AG

4 patents

US4399239AAug 16, 1983

Elastomeric, ethylenically unsaturated polyurethanes and radiation polymerizable mixtures containing such polyurethanes

HOECHST AG32 citations91

US4559292ADec 17, 1985

Photosensitive transfer material having a support of defined roughness

HOECHST AG25 citations81

US4485166ANov 27, 1984

Radiation-polymerizable mixture and photopolymerizable copying material prepared therefrom

HOECHST AG16 citations72

US4379834AApr 12, 1983

Process for cleaning copper-containing metal surfaces

HOECHST AG10 citations71

KALLE AG

1 patent

US4387139AJun 7, 1983

Elastomeric, ethylenically unsaturated polyurethanes and radiation polymerizable mixtures containing such polyurethanes

KALLE AG34 citations89