Defence Metallurgical Research Laboratory (DMRL), Hyderabad, has filed the following Patents with the Indian Patent Office, New Delhi:
  • A Process for Preparation of Aluminium-Zinc-Magnesium-Manganese-Zirconium-Scandium Alloy having Improved Stress Corrosion Cracking Resistance.

  • A Process for Preparation of Aluminium-Zinc-Magnesium-Copper-Zirconium-Silver Alloy having Improved Weldability.

  • Process for Preparation of Aluminium-Zinc-Magnesium-Manganese-Zirconium-Silver Alloy having Improved Stress Corrosion Cracking Resistance.