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Patent Protection Ended

No. Patent No. Title
11701. PI 93001963 1-(2-OXO-ACETYL)-PIPERIDINE-2-CARBOXYLIC ACID DERIVATIVES AS MULTI-DRUG-RESISTANT CANCER CELL SENSITIZERS
11702. PI 93001964 METHOD OF ACID VALUE DETERMINATION BY INFRARED ABSORPTION
11703. PI 93001965 PIPELINE
11704. PI 93001973 STABILIZED HYPOHALITE COMPOSITIONS
11705. PI 93001975 DICTYOSTELIUM DIPEPTIDYLAMINOPEPTIDASE
11706. PI 93001976 TRACKBALL SUPPORTING DEVICE.
11707. PI 93001978 IMPROVEMENTS IN OR RELATING TO DIOIC ACIDS.
11708. PI 93001979 QUATERNARY BASIC AMIDES, METHOD OF PREPARING THEM AND PHARMACEUTICAL COMPOSITIONS IN WHICH THEY ARE PRESENT
11709. PI 93001980 FLAME RETARDANT POLYAMIDE COMPOSITION
11710. PI 93001981 POLYAMIDE COMPOSITION AND THE USE
11711. PI 93001982 USE OF IL-10 TO PREVENT OR TREAT INSULIN-DEPENDENT DIABETES MELLITUS
11712. PI 93001983 RASTER DISTORTION AVOIDANCE ARRANGEMENT
11713. PI 93001984 ROTARY APPARATUS WITH MOVEABLE DIE
11714. PI 93001985 IMPROVED BLEACHING OF HIGH CONSISTENCY LIGNOCELLULOSIC PULP
11715. PI 93001986 COMMUNICATION CHANNEL SELECTION IN CELLULAR RADIO COMMUNICATION SYSTEM
11716. PI 93001987 AN APPARATUS FOR FUEL QUALITY MONITORING
11717. PI 93001990 ACYLSULFONAMIDO-AND SULFONAMIDOPYRIDINE-2-CARBOXYLIC ACID ESTERS AND THEIR PYRIDINE N-OXIDES, PROCESSES FOR THEIR PREPARATION AND THEIR USE AS MEDICAMENTS
11718. PI 93001992 A METHOD AND A DEVICE FOR AERATING WASTE WATER
11719. PI 93001994 OPTICAL GLASS
11720. PI 93001995 LOW REFRACTIVE OPTICAL GLASS OF A FLINT GLASS TYPE.