EPILAMIZATION METHOD OF AN ELEMENT OF A TIMEPIECE OR PIECE OF JEWELLERY专利检索- 润滑组合物的特定用途或应用专利检索查询-专利查询网

EPILAMIZATION METHOD OF AN ELEMENT OF A TIMEPIECE OR PIECE OF JEWELLERY
申请号	US15786841	申请日	2017-10-18	公开(公告)号	US20180112144A1	公开(公告)日	2018-04-26
申请人	The Swatch Group Research and Development Ltd;			发明人	Claire RANNOUX; Christophe LETONDOR; Nicolas FRANCOIS;
摘要	The invention relates to a method for epilamization of at least one portion of a substrate surface comprising the steps of: a) preparing an epilame agent b) optionally, preparing the substrate surface c) placing the substrate and the epilame agent in a chamber at ambient pressure d) introducing CO2 into the hermetically sealed chamber at a pressure comprised between 25 bar and 74 bar and at a temperature comprised between 10° C. and 80° C. for a duration comprised between 1 minute and 30 minutes, e) reducing the pressure in the chamber, and f) removing the epilamized substrate from the chamber.
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