Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Including a second component containing structurally defined...
Reexamination Certificate
2007-03-06
2007-03-06
Jackson, Monique R. (Department: 1773)
Stock material or miscellaneous articles
Web or sheet containing structurally defined element or...
Including a second component containing structurally defined...
C428S327000, C428S332000, C428S339000, C428S457000, C428S458000, C428S473500
Reexamination Certificate
active
10952219
ABSTRACT:
An easily slidable polyimide film having a polyimide surface layer comprising a polyimide which is thermoplastic and has a glass transition temperature of 190–450° C., wherein there are dispersed in the polyimide of the polyimide surface layer, in a proportion of approximately 0.5–10 mass % based on the polyimide of the polyimide surface layer, wholly aromatic polyimide particles made of a polyimide comprising at least 80 mass % of a pyromellitic acid component and a p-phenylenediamine component, and having a median size of 0.3–0.8 μm and a maximum size of no greater than 2 μm, in at least about 1 μm of the polyimide surface layer.
REFERENCES:
patent: 5972474 (1999-10-01), Tsuzuki et al.
patent: 06-100714 (1994-04-01), None
patent: 06-192446 (1994-07-01), None
patent: 2004-217907 (2004-08-01), None
Anno Toshihiko
Hashimoto Masafumi
Nishino Toshiyuki
Yamaguchi Hiroaki
DLA Piper (US) LLP
Jackson Monique R.
Ube Industries Ltd.
LandOfFree
Easily slidable polyimide film and substrate employing it does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Easily slidable polyimide film and substrate employing it, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Easily slidable polyimide film and substrate employing it will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3741420