Patent · US Expired

Stabilizer concentrate

US5075355A · kind A · utility

5Cited by
10References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 14, 1989
Grant dateDec 24, 1991
Priority date
Expiry dateSep 14, 2009

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02W30/62
  • WIPO fieldOther special machines
  • WIPO sectorMechanical engineering

Abstract

An improved stabilizer concentrate for use in stabilizing polymeric blend compositions which comprise a thermally sensitive interpolymer. The stabilizer concentrate comprises a carrier resin, and a stabilizing agent capable of stabilizing a thermally sensitive interpolymr. The improvement comprises employing a carrier resin having a viscosity such that the stabilizer concentrate has a viscosity of less than 60 percent of the viscosity of the polymeric blend composition.

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