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Patent Protection Ended

No. Patent No. Title
4421. PI 88001460 MICROENCAPSULATED COCKROACH-CONTROLLING COMPOSITION
4422. PI 88001461 NON-REUSABLE SYRINGE
4423. PI 88001463 COUPLING ELEMENT FOR A SLIDE FASTENER
4424. PI 88001464 OIL-BASED WELL BORE FLUIDS AND GELLANTS THEREFOR
4425. PI 88001468 PEARLING AGENT DISPERSION
4426. PI 88001470 PROCESS FOR THE HYDROISOMERIZATION OF WAX TO PRODUCE MIDDLE DISTILLATE PRODUCTS
4427. PI 88001473 PROCESS FOR THE HYDROISOMERIZATION OF FISCHER-TROPSCH WAX TO PRODUCE LUBRICATING OIL
4428. PI 88001475 ANTIFUNGAL CARBINOLS
4429. PI 88001476 COCOA POWDER
4430. PI 88001480 C RING.
4431. PI 88001481 ELECTROMAGNETIC RELAY
4432. PI 88001483 HETERCOYCLIC OXOPHTHALAZINYL ACETIC ACIDS
4433. PI 88001484 CONTROL APPARATUS FOR ELEVATORS.
4434. PI 88001485 ORAL COMPOSITIONS
4435. PI 88001486 FILTER SCREEN FOR A HIGH PRESSURE SEPARATING PRESS
4436. PI 88001488 A PROTECTED ELECTRIC SWITCHING APPARATUS AND A DEVICE FOR FIXING SAME
4437. PI 88001489 REPLACEABLE CONTAINER FOR A LIQUID-SOAP DISPENSER
4438. PI 88001490 METHOD AND APPARATUS FOR SIMULTANEOUS HEAT AND MASS TRANSFER
4439. PI 88001491 METHOD OF SETTING UP APPARATUS FOR HANDLING ELECTICAL OR ELECTRONIC COMPONENTS
4440. PI 88001492 METHOD OF SETTING UP APPARATUS FOR HANDLING ELECTRICAL OR ELECTRONIC COMPONENTS