Organic compounds -- part of the class 532-570 series – Organic compounds – Amino nitrogen containing
Reexamination Certificate
2011-03-01
2011-03-01
Wu, David (Department: 1762)
Organic compounds -- part of the class 532-570 series
Organic compounds
Amino nitrogen containing
C564S433000, C564S307000, C564S308000, C564S309000
Reexamination Certificate
active
07897816
ABSTRACT:
The present invention provides a tetramine compound represented by the following general formula (1):wherein R1, R2 and R3, which may be the same or different, each represents a hydrogen atom, a tertiary alkyl group having 4 to 8 carbon atoms, an unsubstituted aryl group or an aryl group substituted with a tertiary alkyl group having 4 to 8 carbon atoms, and n represents 3 or 4.
REFERENCES:
patent: 7402701 (2008-07-01), Kato et al.
patent: 2005/0064237 (2005-03-01), Kato et al.
patent: 0 650 955 (1995-05-01), None
patent: 2000 247932 (2000-09-01), None
patent: 2002 167365 (2002-06-01), None
patent: 2002 179630 (2002-06-01), None
patent: 2005-108804 (2005-04-01), None
Shizuo Tokito, et al. “Thermal Stability of Electroluminescent Devices Fabricated Using Novel Charge-Transporting Materials”, American Chemical Society, XP-008038620, vol. 38, No. 1, 1997, pp. 388-389.
Hiromitsu Tomyama , et al. “Electrophotographic Photoconductor Containing Tetramine or Hexamine”, STN Database accession No. 126: 111013, XP-002412562, JP 08-292586, Nov. 5, 1996, 3 pages.
Office Action mailed Aug. 31, 2010, in Japanese Patent Application No. 2005-516726 filed on Jun. 26, 2006.
Anzai Mitsutoshi
Koike Makoto
Kusano Shigeru
Takesue Atsushi
Hodogaya Chemical Co. Ltd.
Nguyen Vu A
Oblon, Spivak. McClelland, Maier & Neustadt, L.L.P.
Wu David
LandOfFree
Tetramine compound and organic EL device does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Tetramine compound and organic EL device, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Tetramine compound and organic EL device will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2754587