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Patent Protection Ended

No. Patent No. Title
541. PI 86000040 AN APPARATUS FOR MEASURING THE STIFFNESS OF PACKET BLANK CREASES.
542. PI 86000041 IMPROVEMENTS RELATING TO THE EXPANSION OF VEGETABLE MATERIAL.
543. PI 86000042 NAPPY BAG WITH BUILT-IN CHANGE MAT.
544. PI 86000043 SULFAMOLYL UREA DERIVATIVES.
545. PI 86000044 THE USE OF ALKYLGLYCOSIDES FOR SEPERATING MIXTURES OF FATTY ACID ESTERS.
546. PI 86000045 5-SUBSTITUTED-2-CYCLOPROPYL-6, 8-DIFLUOROQUINOLINE DERIVATIVES AND PROCESSES FOR PREPARATION THEREOF
547. PI 86000046 TAPE REEL ASSEMBLIES FOR MAGNETIC TAPE CASSETTES.
548. PI 86000047 A PROCESS FOR THE PRODUCTION OF MOBILE PASTES OF WASHING-ACTIVE (ALPHA)- SULFOFATTY ACID ESTER SALTS OF HIGH SOLIDS CONTENT.
549. PI 86000049 BUTTON FEEDER FOR BUTTON APPLICATOR
550. PI 86000050 SNAP-FIT CLASP FASTENER FOR BAGS.
551. PI 86000051 APPARATUS FOR SEALING PACKAGES
552. PI 86000052 IMPROVEMENTS IN OR RELATING TO HEATING DEVICES
553. PI 86000053 IODONIUM YLIDE ANTIMICROBIAL COMPOUNDS.
554. PI 86000054 APPARATUS FOR FEEDING A SURFACE TYPE FASTENER TAPE OR THE LIKE ALONG A PREDETERMINDED PATH.
555. PI 86000055 APPARATUS FOR LAP SLICING A SURFACE TYPE FASTENER TAPE OR LIKE STRIP.
556. PI 86000056 DROSS COOLING
557. PI 86000057 HIGH-OXYGEN-CONTENT SILICON MONOCRYSTAL SUBSTRATE FOR SEMICONDUCTOR DEVICES AND PRODUCTION METHOD THEREFOR
558. PI 86000058 DETERGENT COMPOSITIONS, COMPONENTS THEREFOR, AND PROCESSES FOR THEIR PREPARATION
559. PI 86000059 FUMED SILICA MODIFIED CATALYST AND PROCESS FOR OXIDATION OF N-BUTANE TO MALEIC ANHYDRIDE.
560. PI 86000060 STABLE NITRATE/SLURRY EXPLOSIVES.