METHOD OF PREPARATION OF PATINAS OR FILMS FOR STONE SURFACES AND APPLICATIONS THEREOF
This invention describes a method for obtaining a patina or film for protecting stone surfaces. This patina or film imitates a patina found in numerous monuments in Spain and the Mediterranean basin. The invention consists in applying a mixture made in several steps based on bone glue, charcoal, lin...
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Format: | Patent |
Sprache: | eng ; spa |
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