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Johnson Matthey PLC

Johnson Ma

Active Patents

0

Total Holdings

5

Patent Holdings

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Patent No.	Title	Status	Filing Date	Grant Date	Claims	Actions
US4906466A	Silver compound antimicrobial compositions	Expired / Lapsed	1987-07-01	1990-03-06	10	Details
US3904663A	Compositions containing platinum	Expired / Lapsed	1973-04-09	1975-09-09	9	Details
US3478415A	Bonding of metals or alloys	Expired / Lapsed	1966-08-12	1969-11-18	0	Details
US3115702A	Production of composite metal sheet or strip	Expired / Lapsed	1960-11-14	1963-12-31	1	Details
US2610127A	Silk-screen printing paste	Expired / Lapsed	1949-06-03	1952-09-09	1	Details