Organic compounds -- part of the class 532-570 series – Organic compounds – Four or more ring nitrogens in the bicyclo ring system
Reexamination Certificate
2008-01-07
2010-02-16
Carr, Deborah D (Department: 1621)
Organic compounds -- part of the class 532-570 series
Organic compounds
Four or more ring nitrogens in the bicyclo ring system
C544S242000, C549S369000, C568S420000, C570S131000
Reexamination Certificate
active
07662959
ABSTRACT:
A compound having the structure: w-A-x-CY—Z(CF3), where CY is cyclohexane or substituted cyclohexane, exemplified by 4-trifluoromethyl-4-methylcarboxy-4′-propyl-1,1′-(bi)cyclohexane.
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patent: 6551666 (2003-04-01), Kirsch et al.
patent: 2002/0117650 (2002-08-01), Reiffenrath et al.
Inoi, Takeshi. “Fluorinated Liquid Crystals.” Organofluorine Chemistry: Principles and Commercial Applications. 1994 pp. 263-286. Plenum Press. New York.
Kirsch, P., Michael Heckmeir, and Kazuaki Tarumi. “Design and Synthesis of Nematic Liquid Crystals with Negative Dielectric Anisotropy.” Journal of Liquid Crystals. 1999. 449-452. 26, No. 3. Taylor & Francis Ltd.
Bailey Wade Hampton
Burgoyne William Franklin
Lal Gauri Sankar
Roberts David Allen
Ulman Michael
Air Products and Chemicals Inc.
Carr Deborah D
Yang Lina
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