Chemistry: analytical and immunological testing – Optical result
Patent
1991-12-03
1993-09-14
Housel, James C.
Chemistry: analytical and immunological testing
Optical result
422 88, 422 90, 422 91, 422 98, 436106, 436116, 436117, 436118, 436124, 436151, G01N 2101
Patent
active
052448126
ABSTRACT:
NO.sub.2 and other electron acceptor gases can be detected at 5 volume parts per million by tetrathiafulvalene TTF. The TTF may be incorporated in a polystyrene film, which changes its infra-red spectrum and conductivity upon exposure to such gases.
REFERENCES:
patent: 2942952 (1960-06-01), Plantz
patent: 3748097 (1973-07-01), Lerner
patent: 3779814 (1973-12-01), Miles et al.
patent: 3977831 (1976-08-01), Fletcher et al.
patent: 4028346 (1977-06-01), Engler et al.
patent: 4032297 (1977-06-01), Lyshkow
patent: 4236307 (1980-12-01), Colla et al.
patent: 4246173 (1981-01-01), Cowan et al.
patent: 4465845 (1984-08-01), Okamoto et al.
patent: 4572900 (1986-02-01), Wohltjen
patent: 4722905 (1988-02-01), Honeybourne et al.
patent: 4871680 (1989-10-01), Barraud et al.
Wudl, F. et al. "Electrical Conductivity by the Bis-1,3-dithiole-Bis-1,3-Dithiolium System" J. Am. Chem. Soc. 1972, 94, 670-672.
Edward M. Engler "Organic Metals" Chemical Technology, 1976, 6, 274-279.
M. Narita et al, "Preparation of Tetrathiafulvalenes (TTF) and their Selenium Analogs-Tetraselenafulvalenes (TseF)" Synthesis, 1976, 489-514.
E. M. Engler "Synthesis of Tetrathiafulvalene Derivatives via Polymer-Bound Triphenylphosphine" IBM Technical Bulletin 1977, 19, 3925-3927.
T. Hanawa et al. "Gas Sensitivities of Polypyrrole Films to Electron Acceptor Gaes" Bull. Chem. Soc. Jpn., 1989, 62, 1710-1714.
R. J. Ewen et al., "The Electrical Conductance of Thin Films of a new Class of Organic Semiconductor with Potential as a Detector of Electron Acceptor Gases" Chemistry and Industry 1982, 490-491.
W. Chen et al. "Synthesis of Bis(2,5-dimethylpyrrolo[3,4-d]tetrathiafulvalene, an Annelated TTF Derivative with Good Electron Donor Properties". J. Am. Chem. Soc. 1988, 110, 7903-7904.
Ewen Richard J.
Honeybourne Colin L.
British Technology Group Limited
Housel James C.
Soderquist Arlen
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