Patent Explorer

Browse, filter, and analyze 6 patents across global jurisdictions.

📥 Export to Excel (.xlsx) + Ingest New Patent
Patent Number Title Assignee Status Filing Date Grant Date Expires Remaining Claims Actions
US2221933A Wetting composition National Aniline and Chemical Co Inc Expired / Lapsed 1937-12-30 1940-11-19 1957-12-30 0.0 yrs 0
US2067019A Phthalic anhydride recovery National Aniline and Chemical Co Inc Expired / Lapsed 1933-12-29 1937-01-05 1953-12-29 0.0 yrs 0
US2011710A Apparatus for measuring temperature National Aniline and Chemical Co Inc Expired / Lapsed 1928-08-18 1935-08-20 1948-08-18 0.0 yrs 0
US2004569A Electrometric determinations National Aniline and Chemical Co Inc Expired / Lapsed 1926-05-14 1935-06-11 1946-05-14 0.0 yrs 0
US1773110A Stop valve National Aniline and Chemical Co Inc Expired / Lapsed 1925-08-06 1930-08-19 1945-08-06 0.0 yrs 0
US1744598A Process and apparatus for heating National Aniline and Chemical Co Inc Expired / Lapsed 1925-01-17 1930-01-21 1945-01-17 0.0 yrs 0