In an embodiment, a colouring composition for a coloured glass is provided. The colouring composition comprises: 65% by weight of Lead Oxide (Pb3O4); 25.5% by weight of Silicon Dioxide (SiO2); 7% by weight of Sodium Tetraborate (Na2B4O7); 2% by weight of Tin Oxide (SnO2); 2% by weight of Magnesium Oxide (MgO);0.02% ...

In an embodiment, a colouring composition for a coloured glass is provided. The colouring composition comprises: 50-70% by weight of Lead Oxide (Pb3O4); 20-40% by weight of Silicon Dioxide (SiO2); 8-12% by weight of Sodium Tetraborate (Na2B4O7); 1-3% by weight of Antimony Trioxide (Sb2O3); 0.2-1.8% by weight of Zirc...

The  present invention  relates  to  novel  calix(4]pyrrole  octahydrazide  of formula (A) and process for the preparation thereof. The present invention also relates to the use of calix[4]pyrrole octahydrazide (CPOH) of formula (A) in the preparation of water dispersible stable metal nano particles. ...

TITLE OF THE PRESENT INVENTION "WATER  DISPERSIBLE  METAL  NANOPARTICLES  OBTAINED  FROM  NOVEL CALIX[4]RESOCINARENE HYDRAZIDES AND APPLICATIONS THEREOF". ABSTRACT OF THE PRESENT INVENTION The present invention relates to novel calix[4]resorcinarene hydrazides of formula (X) and process for the preparation thereo...

DOUBLE FILTER INLET VALVE The present invention relates to water treatment devices, and more particularly to devices incorporating mechanisms for end-of-life indication, automatic shutoff, resetting the automatic shutoff and bypass, and to a filter cartridge for water treatment devices. The invention has one inter...