Organic compounds -- part of the class 532-570 series – Organic compounds – Amino nitrogen containing
Reexamination Certificate
2011-03-08
2011-03-08
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
07902402
ABSTRACT:
The present invention provides a method for producing a tetramine compound represented by 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
Structure (STIC) search results for U.S. Appl. No. 10/584,140 (Nov. 4, 2009).
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 (w/English-language translation).
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
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