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Texas Petrochemicals Corp

Texas Petr

Active Patents

0

Total Holdings

4

Patent Holdings

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Patent No.	Title	Status	Filing Date	Grant Date	Claims	Actions
US4658080A	Acetylene removal process	Expired / Lapsed	1983-08-15	1987-04-14	6	Details
US4644088A	Acetylene removal process	Expired / Lapsed	1981-06-15	1987-02-17	4	Details
US4038336A	Purification of unsaturated compounds	Expired / Lapsed	1975-10-30	1977-07-26	2	Details
US3998902A	Purification of unsaturated compounds	Expired / Lapsed	1973-11-29	1976-12-21	15	Details