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Hoechst Ag

Hoechst Ag
Active Patents
0
Total Holdings
3

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
NL7707741A UROLOGICAL CATHETER. Expired / Lapsed 1977-07-12 — 0 Details
CH331057A Process for the preparation of basic benzilic acid esters Expired / Lapsed 1954-11-25 — 0 Details
AT205452B Process for coloring materials made from polymers of low mo… Expired / Lapsed 1957-11-29 1959-09-25 0 Details