Inventor
RUCKERT HANS
DE22 patents
⚠️ This page may combine multiple inventors who share the name “RUCKERT HANS”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HOECHST AG
19 patentsUS4311782AJan 19, 1982
Radiation-sensitive mixture and process for the production of relief images
HOECHST AG59 citations96
US4247611AJan 27, 1981
Positive-working radiation-sensitive copying composition and method of using to form relief images
HOECHST AG105 citations95
US4101323AJul 18, 1978
Radiation-sensitive copying composition
HOECHST AG87 citations93
US4966828AOct 30, 1990
Carbonylmethylene-heterocyclic compounds containing trihalogenomethyl groups, process for their preparation, and light-sensitive mixture containing the compounds
HOECHST AG31 citations92
US4506006AMar 19, 1985
Process for preparing relief images in imaged irradiated light-sensitive material having acid-cleavable compound by hot air treatment, overall irradiation and alkaline development
HOECHST AG40 citations92
US4506003AMar 19, 1985
Positive-working radiation-sensitive mixture
HOECHST AG42 citations92
US4266001AMay 5, 1981
Light-sensitive mixture
HOECHST AG35 citations92
US4250247AFeb 10, 1981
Acid degradable radiation-sensitive mixture
HOECHST AG32 citations89
US4789619ADec 6, 1988
Positive-working radiation-sensitive mixture comprising a sensitizing polymethine dye
HOECHST AG26 citations86
US4764450AAug 16, 1988
Positive-working radiation-sensitive coating solution and positive photoresist material with monomethyl ether of 1,2-propanediol as solvent
HOECHST AG19 citations78
US4093464AJun 6, 1978
Light sensitive o-quinone diazide containing transfer composition
HOECHST AG22 citations78
US4409314AOct 11, 1983
Light-sensitive compounds, light-sensitive mixture, and light-sensitive copying material prepared therefrom
HOECHST AG9 citations74
US4021243AMay 3, 1977
Diazo light-sensitive copying composition and process of using in the manufacture of screen printing stencils
HOECHST AG10 citations73
US4401520AAug 30, 1983
Process for the preparation of screen printing stencils by an electroplating method
HOECHST AG16 citations71
US4853314AAug 1, 1989
Positive-working radiation-sensitive coating solution and positive photoresist material with monoalkyl ether of 1,2-propanediol as solvent
HOECHST AG13 citations70
US5015554AMay 14, 1991
Positive radiation-sensitive mixture
HOECHST AG17 citations69
US4144067AMar 13, 1979
Light-sensitive copying material and method for the production of colored relief images
HOECHST AG11 citations66
US4983501AJan 8, 1991
Positive-working radiation-sensitive composition and radiation-sensitive recording material prepared therewith
HOECHST AG5 citations63
US4619885AOct 28, 1986
Photopolymerizable composition comprising a 1,3,10-triazaanthracen-4-one as the photoinitiator
HOECHST AG6 citations63