Compositions – Light transmission modifying compositions – Displaying color change
Reexamination Certificate
2009-01-22
2011-12-27
Choi, Ling (Department: 1761)
Compositions
Light transmission modifying compositions
Displaying color change
C564S159000, C564S204000, C564S259000, C430S270100, C430S270150
Reexamination Certificate
active
08083973
ABSTRACT:
A compound which undergoes a color change upon irradiation, and which has the general structure: X—C≡C—C≡C—Y—(CO)n-QZ wherein X is H, alkyl or —Y—(CO)n-QW; each Y is the same or a different divalent alkylene group; Q is O, S or NR; R is H or alkyl; W is H, alkyl or Z; each Z is the same or a different unsaturated alkyl group; and each n is 0 or 1.
REFERENCES:
patent: 5095134 (1992-03-01), Liu
patent: 6541601 (2003-04-01), Hollingsworth et al.
patent: 2003/0103905 (2003-06-01), Ribi
patent: 2007/0019790 (2007-01-01), Lewis et al.
patent: 02-202923 (1990-08-01), None
patent: WO 2004/060852 (2004-07-01), None
patent: WO 2005/036109 (2005-04-01), None
patent: WO 2006/018640 (2006-02-01), None
patent: WO 2007/063332 (2007-06-01), None
patent: WO 2007/071971 (2007-06-01), None
patent: WO 2007/071971 (2007-06-01), None
Bliznyuk, V. et al., “Interaction between adjacent two-dimensional lattices of diacetylenic lipid and a cyanine dye,”Thin Solid Films, 1994, pp. 1037-1042, vol. 244.
Datbase Caplus [Online], Bergel'son, L. et al., “Tri-and tetraacetylenic macrocyclic lactones,”Izvestiya Akademii NaukSSSR,Seriya Khimicheskaya, 1962, pp. 539-540, DN: 57:55710, Accession No. 1962:455710.
Datbase Caplus [Online], Heaney, H. et al., “Product class 4: organometallic complexes of copper,”Science of Synthesis, 2004, pp. 305-662, vol. 3, DN: 141:242819, Accession No. 2003:1000504.
Ohba, S. et al., “Synthesis of Novel Amphiphilic Diacetylenes with Amino or Ammonium Functionality,”Tetrahedron, 1991, pp. 9947-9952, vol. 47, No. 47.
Vlasov, V.M. et al., “Vinyl ethers and acetals of diacetylenic glycols,”Zhurnal Organicheskoi Khimii, 1971, pp. 1348-1349, vol. 7, No. 7.
Ahvazi Bijan
Choi Ling
DataLase Ltd.
Saliwanchik Lloyd & Eisenschenk
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