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1. WO2016135639 - NEW PORCELAIN, RELATED CERAMIC MIXTURE AND USE OF THIS CERAMIC MIXTURE

Note: Text based on automatic Optical Character Recognition processes. Please use the PDF version for legal matters

[ EN ]

CLAIMS

1. Porcelain characterised by the fact that it includes magnesium oxide in a percentage higher than or equal to 3%, with said percentage calculated as the weight of magnesium oxide contained in the porcelain divided by the total weight of the porcelain times one hundred.

2. Porcelain characterised by the fact that said percentage of magnesium oxide is greater than or equal to 15%.

3. Porcelain characterised by the fact that said percentage of magnesium oxide is between 20% and 30%.

4. Porcelain characterised by the fact that said percentage of magnesium oxide is between 22.5% and 24.0%.

5. Filtering element for a lighting device that includes an illumination source, with said filtering element intended to attenuate the intensity of the light emitted by said illumination source, partially transmitting it, said filtering element being characterised by the fact that it is made, at least partially, from a porcelain in accordance with the claims from 1 to 4.

6. Filtering element in accordance with the previous claim, characterised by the fact that it includes a body in said porcelain in accordance with one of the claims from 1 to 4 and a coloured coating layer, arranged on a surface of said body, said coloured coating layer being at least partially transparent to the light emitted by said lamp.

7. Filtering element in accordance with the previous claim, characterised by the fact that said coloured coating layer covers an external surface of said body.

8. Filtering element in accordance with any of the previous claims, characterised by the fact that it is a lampshade.

9. Lighting device characterised by the fact that it includes a filtering element in accordance with any of the previous claims.

10. Ceramic mixture for the production of porcelain characterised by the fact that it includes a percentage of magnesium, calculated as the equivalent quantity of magnesium oxide divided by the total weight of the dry components of said

ceramic mixture times one hundred, greater than 3%.

1 1. Ceramic mixture in accordance with the previous claim in which said percentage of magnesium, calculated as the equivalent quantity of magnesium oxide divided by the total weight of the dry components of said ceramic mixture times one hundred, is between 15 and 30%.

12. Use of ceramic mixture in accordance with any of the previous claims for the production of porcelain in accordance with claims from 1 to 4 or a filtering element 1 in accordance with claims 5-8.