Stabilizer concentrate
US5075355A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Sep 14, 1989 |
| Grant date | Dec 24, 1991 |
| Priority date | — |
| Expiry date | Sep 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.