Patent · US Active

Antifogging agent for plastics

US7488838B2 · kind B2 · utility

10Cited by

5References

23Claims

0Family size

Assignee

COGNIS OLEOCHEMICALS GMBH · DE

Inventors

Peter Daute · Beverstedt, DE
Ernst-Udo Brand · Bremerhaven, DE

Key dates

Filing date	Aug 9, 2005
Grant date	Feb 10, 2009
Priority date	—
Expiry date	Jul 4, 2026

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08K5/103
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

The invention relates to antifogging agents for plastics which are obtainable by transesterification of native oils with PEG or mixtures of PEG and other polyols, to plastics containing these antifogging agents and to the use of mixtures obtainable by transesterification of native oils with PEG or mixtures of PEG and other polyols as antifogging agents in plastics.

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