← Back to Companies

Filtrol Corp

Filtrol Co

Active Patents

0

Total Holdings

4

Patent Holdings

Filter in Explorer →

Patent No.	Title	Status	Filing Date	Grant Date	Claims	Actions
US2440756A	Method of producing catalyst	Expired / Lapsed	1944-10-13	1948-05-04	0	Details
US2440743A	Promoted acid treated clay catalyst and preparation thereof	Expired / Lapsed	1943-07-03	1948-05-04	0	Details
US2391312A	Catalyst and method for forming catalysts	Expired / Lapsed	1943-02-01	1945-12-18	0	Details
US2388735A	Method of drying pelleted catalyst	Expired / Lapsed	1943-07-03	1945-11-13	0	Details