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General Chemical Corp

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Active Patents

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Total Holdings

4

Patent Holdings

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Patent No.	Title	Status	Filing Date	Grant Date	Claims	Actions
US2030021A	Method and apparatus for the production of sulphur dioxide	Expired / Lapsed	1932-09-15	1936-02-04	0	Details
US1936078A	Process of purifying hydrochloric acid gas	Expired / Lapsed	1926-12-09	1933-11-21	0	Details
US1371004A	Oxidation of sulfur dioxid and catalyst therefor	Expired / Lapsed	1914-10-09	1921-03-08	0	Details
US1301373A	Apparatus for purifying gases and for producing briqueting …	Expired / Lapsed	1917-05-15	1919-04-22	0	Details