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Patent Protection Ended

No. Patent No. Title
3921. PI 88000771 TREATMENT OF CARDIAC ARRHYTHMIAS.
3922. PI 88000772 NEGATIVE PHOTORESIST COMPOSITIONS AND PROCESS FOR PREPARING THERMALLY STABLE, NEGATIVE IMAGES USING THEM
3923. PI 88000773 MICROPLASTIC STRUCTURES, PROCESS FOR FORMING SUCH STRUCTURES, AND PHOTOMASK SUITABLE FOR USE IN SUCH PROCESS
3924. PI 88000775 SPRING DISENTANGLING MACHINE
3925. PI 88000776 FERROELECTRIC CERAMICS
3926. PI 88000777 PURIFICATION OF GM-CSF
3927. PI 88000779 LOCK AND KEY BLADE
3928. PI 88000780 CATALYSTS FOR ALKOXYLATION REACTIONS
3929. PI 88000783 PYRIDINIUM DERAVATIVES, THEIR PRODUCTION AND USE
3930. PI 88000784 TAPE STABILISATION IN RECORDING AND/OR REPRODUCING APPARATUS
3931. PI 88000785 GENERAL PURPOSE DATA CONTROL SYSTEM
3932. PI 88000786 IMIDE MODIFIED EPOXY RESINS
3933. PI 88000788 SANITARY NAPKIN WITH DIAPOSAL MEANS
3934. PI 88000789 DYE COMPOSITION FOR KERATINOUS FIBER
3935. PI 88000792 FASTENER SETTING TOOLS
3936. PI 88000793 PROCESS FOR PRODUCING MODIFIED ULTRAHIGH- MOLECULAR-WEIGHT POLYOLEFINS
3937. PI 88000794 EXPRESSION VECTORS FOR THE PRODUCTION OF HUMAN GRANULOCYTE MACROPHAGE COLONY STIMULATING FACTOR IN A MAMMALIAN CELL HOST
3938. PI 88000799 LIQUID DETERGENT COMPOSITION
3939. PI 88000801 COMPATIBLE WIDESCREEN TELEVISION SYSTEM.
3940. PI 88000803 VIDEO SIGNAL PROCESSOR WITH ALTERNATE SUBCARRIER