HF

Hans W. Frass

Hoechst Gmbh: 3 patents #56 of 606Top 10%
Overall (1994): #13,099 of 165,921Top 8%
3
Patents 1994

Issued Patents 1994

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5376496 Radiation-sensitive mixture, radiation-sensitive recording material produced therewith containing halogenated methyl groups in the polymeric binder Andreas Elsaesser, Dieter Mohr 1994-12-27
5368975 Positive-working 1,2-quinone diazide radiation-sensitive mixture and recording material containing urethane compound to diminish developer solubility Andreas Elsaessser, Otfried Gaschler, Dieter Mohr, Gerhard Buhr 1994-11-29
5292626 Developer composition for irradiated, radiation-sensitive positive-working, negative-working and reversible reprographic layers Gerhard Buhr, Andreas Elsaesser, Ernst I. Leupold 1994-03-08