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Browse, filter, and analyze 10 patents across global jurisdictions.

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Patent Number Title Assignee Status Filing Date Grant Date Expires Remaining Claims Actions
DE2130040A1 New water-insoluble monoazo dyes and processes for their preparation Hoechst AG Expired / Lapsed 1971-06-18 — 1991-06-18 0.0 yrs 0
US3930109A Process for the manufacture of metallized shaped bodies of macromolecular material Hoechst AG Expired / Lapsed 1973-08-02 1975-12-30 1993-08-02 0.0 yrs 4
US3788296A Device for applying medical substances to the nasal mucosa Hoechst AG Expired / Lapsed 1972-05-19 1974-01-29 1992-05-19 0.0 yrs 12
US3776766A Process for improving the processing properties of polyester filaments and fibres Hoechst AG Expired / Lapsed 1971-11-17 1973-12-04 1991-11-17 0.0 yrs 2
US3554955A Primers for coating surfaces with polytetrafluoroethylene and polytetrafluoroethylene dispersions containing such primers Hoechst AG Expired / Lapsed 1967-11-29 1971-01-12 1987-11-29 0.0 yrs 0
US3178495A Process for the production of thermoplastic films Hoechst AG Expired / Lapsed 1961-10-09 1965-04-13 1981-10-09 0.0 yrs 2
US3159531A Fungicidal agents Hoechst AG Expired / Lapsed 1961-08-22 1964-12-01 1981-08-22 0.0 yrs 2
US3108017A Coating organic films with mixture of amorphous and crystalline dispersions of vinylidene chloride copolymers Hoechst AG Expired / Lapsed 1960-11-25 1963-10-22 1980-11-25 0.0 yrs 2
US3036930A Process for improving the adhesiveness of polyolefins Hoechst AG Expired / Lapsed 1958-12-22 1962-05-29 1978-12-22 0.0 yrs 2
US2917779A Process for preparing improved thin shaped structures, such as filaments or foils, from linear polyesters Hoechst AG Expired / Lapsed 1956-05-08 1959-12-22 1976-05-08 0.0 yrs 0