专利内容由知识产权出版社提供
专利名称：Method for enhancing the color of minerals
useful as gemstones
发明人：Richard Pollak申请号：US10131588申请日：20020423
公开号：US20020174682A1公开日：20021128
摘要：In accordance with the present invention, there are provided methods forenhancing the color of minerals useful as gemstones. Invention methods are relativelyinexpensive to carry out, avoid the use of hazardous materials, and require no specializedequipment.
申请人：UNITED RADIANT APPLICATIONS
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