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Google has patented its photocATalytic coatings spray, which it claims will help to clean up pollution and promote green living.
The patent, which was filed on Tuesday, says the spray can be used to cover the surface of objects, such as vehicles and buildings, and to “pump” water into the air to “purify” the air.
Google says it is currently using the spray on a range of objects from car hoods to buses, and is working on developing a larger variety of the coating materials, which will be able to cover more surfaces.
According to the patent, the spray’s main ingredient is zinc oxide, which can be easily washed off the surfaces of objects.
A smaller portion of the zinc oxide is added to the coating before the water is added, the patent states.
The coating is supposed to be “clean, water-resistant, non-toxic and non-polluting” to the environment, it adds.
Google is seeking patent protection for the product from 2020, but said the patent does not apply to products or processes that are already on the market.