Patent · US Active

Phase change material compositions

US8308861B2 · kind B2 · utility

18Cited by

14References

20Claims

0Family size

Assignee

E.I. DU PONT DE NEMOURS AND COMPANY · US

Inventors

Loic Pierre Rolland · Gex, FR
Jacques Andre · Sainte-Geneviève-des-Bois, FR

Key dates

Filing date	Mar 31, 2011
Grant date	Nov 13, 2012
Priority date	—
Expiry date	Mar 31, 2031

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T442/30
WIPO fieldCivil engineering
WIPO sectorOther fields

Abstract

A phase change material (PCM) composition comprises a blend of at least one fatty acid ester and at least one ethylene copolymer, wherein the ethylene copolymer comprises at least 28% of an at least one polar comonomer by weight, based on the weight of the ethylene copolymer. A film or sheet comprises or is produced from the PCM composition and the film or sheet can be a single layer or multilayer structure.

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