Process for preparing nanoparticles

US8808420B2 · kind B2 · utility

Assignee

• THE PROVOST, FELLOWS AND SCHOLARS OF THE COLLEGE OF THE HOLY AND UNDIVIDED TRINITY OF QUEEN ELIZABETH NEAR DUBLIN · IE

Inventors

• Damian John Aherne · Blanchardstown, IE
• Deirdre Ledwith · Dublin, IE
• John Moffat Kelly · Blanchardstown, IE

Key dates

• Filing date: Dec 22, 2008
• Grant date: Aug 19, 2014
• Expiry date: Jan 30, 2031

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10S977/896
• WIPO field: Materials, metallurgy
• WIPO sector: Chemistry

Abstract

A process for producing nanoparticles comprises the steps of preparing silver seeds in the presence of a water soluble polyanionic polymer and growing the silver seeds to form nanoparticles. The polyanionic polymer may be poly(sodium styrenesulphonate).