Language:
Style:
A+ | a-

Patent Protection Ended

No. Patent No. Title
4641. PI 89000176 ALUMINA HYDRATE-CONTAINING TOOTHPASTE.
4642. PI 89000178 RHOPTRY MEMBRANE ANTIGEN OF PLASMODIUM FALCIPARUM.
4643. PI 89000179 OPEN-BACKED WORKING GLOVE AND METHOD OF MANUFACTURING SAME.
4644. PI 89000180 METHOD FOR PRODUCTION OF AN UPGRADED COCONUT PRODUCT.
4645. PI 89000181 PRIMARY PACK FOR SURFACE-STABILIZED BANDAGING MATERIALS
4646. PI 89000183 ANTIULCER PYRIMIDINE DERIVATIVES.
4647. PI 89000184 SOLDER PREVENTED FROM SURFACE OXIDATION
4648. PI 89000186 CEPHALOSPORIN DERIVATIVES AND PROCESSES FOR THEIR PREPARATION
4649. PI 89000188 PREPARATION OF ANTIHYPERCHOLESTEROLEMIC TETRAZOLE COMPOUNDS AND INTERMEDIATES THEREOF.
4650. PI 89000189 PYRIDINE DERIVATIVES.
4651. PI 89000190 AN IMPROVED RICE HULL ASH CONCRETE ADMIXTURE.
4652. PI 89000191 RECORDER.
4653. PI 89000192 PREPARATION OF ADVANCED EPOXY RESINS AND DIHYDRIC PHENOLS IN THE PRESENCE OF PHOSPHONIUM COMPONDS
4654. PI 89000193 NOVEL BASIC-SUBSTITUTED 5-HALO-THIENOISOTHIAZOL-3(2H)- ONE 1, 1-DIOXIDES, A PROCESS FOR THE PREPARATION THEREOF, AND PHARMACEUTICAL PREPARATION CONTAINING THESE COMPOUNDS
4655. PI 89000194 INTEGRATED CIRCUIT DEVICE CONTAINER HAVING UNITARY CLOSING MEANS.
4656. PI 89000195 A PROCESS FOR RAPIDLY DETERMINING THE SWELLING- CLAY CONTENT OF EARTH FRMATION
4657. PI 89000196 PROCESS FOR REMOVING CONTAMINANTS FROM DIALKYL ETHERS OF POLYALKYLENE GLYCOLS.
4658. PI 89000197 METHOD AND APPARATUS FOR CONVERTING TUBE WAVES TO BODY WAVES FOR SEISMIC EXPLORATION
4659. PI 89000198 METHOD FOR AFFIXING INFORMATION ON READ-ONLY OPTICAL DISKS.
4660. PI 89000199 POLYETHYLENE MULTILAYERED FILM.