Patent · US Expired

Crystalline polymer nano-particles

US6689469B2 · kind B2 · utility

46Cited by
12References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 31, 2001
Grant dateFeb 10, 2004
Priority date
Expiry dateDec 31, 2021

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/2998
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

A polymer nano-particle composition is provided. The composition includes polymer nano-particles having a poly(alkenylbenzene) core and a surface layer comprising a crystalline polyolefin. The nano-particles preferably have a mean average diameter of less than about 100 nm.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.