Measuring and testing – Gas analysis – Ambient air
Patent
1993-03-10
1995-05-23
Thibodeau, Paul J.
Measuring and testing
Gas analysis
Ambient air
73 3101, 73 3103, 204424, 324439, 324446, 324691, 324693, 428426, 428458, 428421, G01N 2700, G01R 2722
Patent
active
054171008
ABSTRACT:
A novel, inexpensive sensor (10) for detecting volatile hydrocarbons and other solvent vapors detects leaks in the fittings and valves of petroleum refineries and chemical manufacturing and processing plants. The sensor comprises (a) a dielectric substrate (12) having a major surface; (b) a pair of interdigitated, electrically conductive electrodes (14a, 14b) disposed on the major surface of the substrate; and (c) a composite coating (16) covering the interdigitated electrodes and comprising (1) a conductive polymer, and (2) a dielectric polymer with an affinity for the solvent vapors to be detected.
REFERENCES:
patent: 4631952 (1986-12-01), Donaghey
patent: 4812221 (1989-03-01), Madou et al.
patent: 5023133 (1991-06-01), Yodice et al.
patent: 5089780 (1992-02-01), Megerle
patent: 5137991 (1992-08-01), Epstein et al.
J. Phys. Chem. 1985, 89, 1441-1447, "Resistance of Polyaniline Films as a Function of Electrochemical Potential and the Fabrication of Polyaniline-Based Microelectronic Devices", E. Paul, et al.
Synthetic Metals, 13, 1986, 193-205, `Polyaniline`: Protonic Acid Doping of the Emeraldine Form to the Metallic Regime, J. Chiang et al.
P. N. Bartlett et al, "Conducting Polymer Gas Sensors", in Sensors and Actuators, vol. 20, pp. 287-292 (1989).
Miller Leroy J.
Van Ast Camille I.
Yamagishi Frederick G.
Denson-Low W. K.
Duraiswamy V. D.
Hughes Aircraft Company
Sand Stephen
Thibodeau Paul J.
LandOfFree
Reversible sensor for detecting solvent vapors does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Reversible sensor for detecting solvent vapors, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Reversible sensor for detecting solvent vapors will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2133511