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Patent Protection Ended

No. Patent No. Title
8741. PI 91001230 PROCESS TO AVOID THE FORMATION OF WASTE WATER DURING HEXAMINE PRODUCTION.
8742. PI 91001231 CATALYST FOR THE POLYMERIZATION OF ALPHA-OLEFINS CONTAINING TRIFLUOROPROPYL SUBSTITUTED SILANE COMPOUNDS
8743. PI 91001234 IMPROVED ZOELITE CATALYSTS SUITABLE FOR HYDROCARBON CONVERSION.
8744. PI 91001235 PROCESS AND DEVICE FOR INTRODUCING A POWDER INTO A VESSEL.
8745. PI 91001237 UNIVERSAL ELECTRONIC BALLAST SYSTEM.
8746. PI 91001238 N-ARYL-3-ARYL-4-SUBSTITUTED-4,5-DIHYDRO-1H-PYRAZOLE-1- CARBOXAMIDES AND PROCESSES FOR THEIR PRODUCTION.
8747. PI 91001239 NOVEL PROCESS FOR PRODUCING SEMICARBAZIDE.
8748. PI 91001240 PROCESS FOR PRODUCING SALAD OIL.
8749. PI 91001241 OPTICAL FIBER LAYING STRUCTURE FOR ELECTRIC POWER CABLE LINE TROUBLE OCCURRENCE LOCATION DETECTING SYSTEM
8750. PI 91001247 FUNGICIDES.
8751. PI 91001250 FUNGICIDES.
8752. PI 91001256 SEMICONDUCTOR INTEGRATING CIRCUIT.
8753. PI 91001257 IMAGE SIGNAL AVERAGE PICTURE LEVEL DETECTING APPARATUS.
8754. PI 91001258 TELEVISION RECEIVER.
8755. PI 91001260 NEUROMUSCULAR BLOCKING AGENTS.
8756. PI 91001262 LIBRARY SCREENING METHOD.
8757. PI 91001264 CONTRAST CORRECTOR FOR VIDEO SIGNAL.
8758. PI 91001268 FORMATION OF HIGH ACTIVE DETERGENT PARTICLES.
8759. PI 91001269 LOCKS.
8760. PI 91001270 MIXING IMPELLERS AND IMPELLER SYSTEMS FOR MIXING AND BLENDING LIQUIDS AND LIQUID SUSPENSIONS HAVING A WIDE RANGE OF VISCOSITIES.