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US 2020/0290386 A1Published application
Patterning of natural products
AssigneeOmya International AG
InventorsRoger BOLLSTRÖM, Gilbert BOTTY, Philipp HUNZIKER, Joachim SCHÖLKOPF
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Abstract
A method is described for creating a pattern on a natural material of human or animal origin. In embodiments, the method deposits a liquid treatment composition including at least one acid on a natural material, which comprises calcium carbonate.
Claims20
A method of creating a pattern on a natural material of human or animal origin, the method comprising the following steps:
- a) providing the natural material of human or animal origin, wherein the natural material comprises at least one external surface comprising calcium carbonate;
- b) providing a liquid treatment composition comprising at least one acid;
- and
- c) applying the liquid treatment composition onto the at least one external surface of the natural material to form the pattern.
1 more element
Dependencies are inferred from the claim text.