Language:
Style:
A+ | a-

Patent Protection Ended

No. Patent No. Title
20201. PI 98005915 METHOD FOR PRODUCING 2, 6-DMN FROM MIXED DIMETHYLNAPHTHALENES BY CRYSTALLIZATION ADSORPTION AND ISOMERIZATION
20202. PI 98005916 A POLYSULFONE BASED HOLLOW FIBER MEMBRANE, AND A PROCESS FOR PREPARING THE SAME
20203. PI 98005929 PROCESS AND EQUIPMENT FOR REJUVENATION TREATMENT OF PHOTORESIST DEVELOPMENT WASTE
20204. PI 98005930 CREPING PROCESS UTILIZING LOW TEMPERATURE-CURING ADHESIVE
20205. PI 98005938 METHOD AND APPARATUS FOR CHANNEL TRACKING
20206. PI 98005940 ALUMINA POWDER, PROCESS FOR PRODUCING THE SAME AND POLISHING COMPOSITION.
20207. PI 98005944 ELECTROMAGNETIC WAVE TRANSMITTER/RECEIVER
20208. PI 98005945 AIR DUCT OF A REFRIGERATOR
20209. PI 98005949 ARYL FUSED AZAPOLYCYCLIC COMPOUNDS
20210. PI 98005952 ARRANGEMENTS RELATING TO ELECTRICAL CONNECTIONS BETWEEN APPARATUSES CONTAINING ELECTRICAL CIRCUITRY
20211. PI 98005955 SPECTACLES AND ASSEMBLY FOR RELEASABLE INTERFITTING OF AN AUXILIARY GLASSES FRAME
20212. PI 99000017 POLYOLEFIN RESIN COMPOSITION AND ZINC-CONTAINING HYDROTALCITE PARTICLES
20213. PI 99000019 A REFRIGERATED WATER JELLY AND A PROCESS FOR ITS PREPARATION
20214. PI 99000020 BISULFATE SALTS OF HIV PROTEASE INHIBITOR
20215. PI 99000022 DRILL JIG FOR SPECTACLE LENS MANUFACTURE JIG THEREOF, METHOD OF DRILLING FOR SPECTACLE LENS, AND SPECTACLE LENS
20216. PI 99000024 DEWATERING OF SLUDGES
20217. PI 99000028 FOOT MAT
20218. PI 99000046 DOUBLE-DECKER OR MULTI-DECKER ELEVATOR
20219. PI 99000052 REFORMING USING A BOUND HALIDED ZEOLITE CATALYST.
20220. PI 99000059 ELECTROMAGNETIC RELAY