What are some technologies that can prevent the formation of copper patina?

To prevent the formation of copper patina, protective coatings such as clear acrylic or polyurethane sealants can be applied to the copper surface, creating a barrier against environmental factors. Additionally, chemical treatments like anti-oxidation solutions can inhibit corrosion. Another approach involves the use of sacrificial anodes, which divert corrosion away from the copper. Lastly, regular maintenance and cleaning can help minimize patina development over time.