Gemstone coatings and methods of making and using the same

US11627786B2 · kind B2 · utility

Assignee

• Glisten LLC · US

Inventors

• Jean Dousset · West Hollywood, US
• Heidi Renate McMahon · West Hollywood, US
• James Nathan Hohman · Menlo Park, US
• Moonhee Kim · Suwon-si, KR

Key dates

• Filing date: Jan 9, 2020
• Grant date: Apr 18, 2023
• Expiry date: Mar 2, 2041

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C30B33/00
• WIPO field: Materials, metallurgy
• WIPO sector: Chemistry

Abstract

Disclosed herein are coated gemstones, coatings for gemstones, methods of coating gemstones, and methods of using coatings on gemstones to avoid blemishes on gemstones. In some embodiments, diamonds are functionalized with anchor molecules that bind hydrophilic cyclodextrin molecules to confer hydrophilicity on the diamond. In some embodiments, the diamonds resist dirt and grime build-up.