C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
C08G 4/00 (2006.01) C07D 311/82 (2006.01) C08G 65/26 (2006.01) C08G 65/40 (2006.01) C08G 73/10 (2006.01) C08G 75/23 (2006.01) H01L 21/48 (2006.01) H01L 23/14 (2006.01) H01L 23/29 (2006.01)
Patent
CA 2070976
TITLE POLYETHERS BASED ON 9,9-BIS-PERFLUOROALKYL-3,6- DIHYDROXY-XANTHENE OR 9-ARYL-9-PERFLUOROALKYL-3,6- DIHYDROXY-XANTHENE ABSTRACT OF DISCLOSURE Polyethers based on 9,9-bis-perfluoroalkyl-3,6- dihydroxy-xanthene or 9-aryl-9-perfluoroalkyl-3,6- dihydroxy-xanthene and another constituent selected from aryl sulfone, aryl ketone, benzonitrile, and imide. These polyethers are useful as dielectric films in electronic devices.
Auman Brian C.
E. I. Du Pont de Nemours And Company
Sim & Mcburney
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