Improved method for metal recovery and leaching agent...

Improved method for optimization of the grain refinement of...

Improved method for separating solids from the liquid in...

Improved method to remove antimony from copper electrolytes

Improved molten metal charge well

Improved neutron absorption effectiveness for boron content...

Improved nickel aluminide alloy for high temperature...

Improved processing method for the production of...

Improved rapid quench of large section precipitation...

Improved recycling method for al-b4c composite materials

Improved steel holder block for plastic molding

Improved thiosulphate leach process

Improved wear resistant alloy

Improved weld gun arm casting

Improved zinc base alloys containing titanium

Improvement to silver and gold leaching method with thiourea...

Improvements in and relating to processing materials

Improvements in composite briquettes for electric furnace...

Improvements in refining

Improvements to precious metals recovery from ores