Language:
Style:
A+ | a-

Patent Protection Ended

No. Patent No. Title
2741. PI 87002471 GUIDE JIG FOR LIFTING AN OUTER WALL MEMBER OF A CURTER WALL
2742. PI 87002472 NONWOVEN FABRIC WITH IMPROVED ABRASION RESISTANCE.
2743. PI 87002473 PROCESS FOR EPOXIDIZING AN OLEFIN.
2744. PI 87002474 APPLYING PROTECTION TO PIPES AND PIPELINES
2745. PI 87002475 NEW PHARMACEUTICAL PREPARATION
2746. PI 87002476 METHOD FOR REFINING GLYCERIDE OILS USING PARTIALLY DRIED AMORPHOUS SILICA HYDROGELS.
2747. PI 87002477 IMPROVED KNITTING NEEDLE
2748. PI 87002478 ONE SOLVENT PROCESS FOR PREPARATION OF ESTERS OF 3, 5-DIBROMO-4-HYDROXYBENZONITRILE
2749. PI 87002479 MIXING SYSTEMS
2750. PI 87002480 CROSS-LINKING AGENT FOR CONTRLLED FILM BUILD EPOXY COATINGS APPLIED BY CATHODIC ELECTRO DEPOSITION
2751. PI 87002482 SANITARY APPLIANCES
2752. PI 87002483 N-(CYCLOPROPYLTRIAZINYL)-N-(ARYLSULFONYL)-UREAS AND N-(CYCLOPROPYLPYRIMIDINYL)-N-(ARYLSULFONYL)-UREAS HAVING A HERBICIDAL ACTION
2753. PI 87002484 PIPERAZINE DERIVATIVES
2754. PI 87002485 COMPOSITIONS COMPRISING MINERAL PARTICLES IN SUSPENSION AND METHOD OF TREATING AQUEOUS SYSTEMS THEREWITH
2755. PI 87002487 TENSION HANGER EMBODYING FIRE RESISTANT SEALING MEANS
2756. PI 87002488 ETHYLENE POLYMERIZATION CATALYST
2757. PI 87002489 METERING DEVICE
2758. PI 87002490 PROCESS FOR THE POLYMERIZATION OF PROPYLENE
2759. PI 87002491 DENTAL AMALGAM ALLOY
2760. PI 87002492 IMPROVEMENTS IN OR RELATING TO BRASSIERES