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Patent Protection Ended

No. Patent No. Title
4561. PI 89000050 CEPHALOSPORIN SALTS AND INJECTABLE COMPOSITIONS
4562. PI 89000051 METHOD AND APPARATUS FOR PRODUCING CONDUCTIVITY IN MATERIALS
4563. PI 89000053 BUILT SYNTHETIC ORGANIC DETERGENT COMPOSITION EXTRUDATE IN PARTICULATE AND PATTY FORMS, AND PROCESSES FOR MANUFACTURE AND USES THEREOF.
4564. PI 89000055 AZEOTROPIC COMPOSITIONS OF 1,1-DICHLORO-1- FLUORETHANE AND METHANOL/ETHANOL.
4565. PI 89000056 FUNCTION INSPECTING SYSTEM
4566. PI 89000057 SUGAR ESTER AS DETERGENCY BOOSTERS
4567. PI 89000058 ACETYLATED SUGAR ETHERS AS BLEACH ACTIVATORS AND DETERGENCY BOOSTERS
4568. PI 89000059 SYNTHETIC DETERGENT CLEANING ARTICLE
4569. PI 89000060 SUGAR ETHERS AS BLEACH STABLE DETERGENCY BOOSTERS
4570. PI 89000061 ACETYLATED SUGAR ETHERS AS BLEACH ACTIVATORS DETERGENCY BOOSTERS AND FABRIC SOFTENERS
4571. PI 89000062 A PNEUMATIC TIRE.
4572. PI 89000064 DIDEOXYDIDEHYDROCARBOCYCLIC NUCLEOSIDES
4573. PI 89000065 SHAMPOO COMPOSITIONS
4574. PI 89000066 5-LIPOXYGENASE INHIBITING 4-(4-PHENYL-1- PIPERAZINYL) PHENOLS.
4575. PI 89000067 A DOSAGE UNIT FOR DOSING A NUMBER OF MEASURED QUANTITIS OF A LIQUID, SUCH AS AN INSULIN PREPARATION, FROM A CARTRIDGE.
4576. PI 89000068 SIGNAL SYNCHRONIZING SYSTEM.
4577. PI 89000072 AMPHIREGULIN : A NOVEL BIFUNCTIONAL GROWTH MODULATING GLYCOPROTEIN.
4578. PI 89000076 METHOD AND ARRANGEMENT FOR VALIDATING COUPONS.
4579. PI 89000079 INSPECTION SYSTEM FOR FLOPPY DISK DRIVE UNIT CONTROL CIRCUIT OF ELECTRONIC APPLIANCE.
4580. PI 89000081 SELECTIVE EPOXIDATION OF OLEFINS.