The present invention relates to compositions and processes of using perfluoropolyether to maintain or improve the oil return, lubrication, or energy efficiency of the refrigeration, air conditioning and heat transfer system.
申请公布号
EP1979432(A1)
申请公布日期
2008.10.15
申请号
EP20070709717
申请日期
2007.01.12
申请人
E.I. DU PONT DE NEMOURS AND COMPANY
发明人
LECK, THOMAS, J.;SATURNO, THOMAS, FRANK;BELL, GREGORY, A.
