Patent · US Expired

Light stabilizer packages for paint applications

US5733956A · kind A · utility

3Cited by
11References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 5, 1995
Grant dateMar 31, 1998
Priority date
Expiry dateJun 5, 2015

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/31935
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

A light stabilizer package is disclosed. The light stabilizer package comprises a monomeric HALS having a pKa of no greater than 7, an ultraviolet light absorber and, optionally, a polymeric HALS having a pKa of less than 7. The light stabilizer package may be blended with a thermoplastic olefin to form a moldable light stable composition. An article comprising the moldable light stable composition may have an exterior surface that is at least partially coated.

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