United States Patent (19) 11 Patent Number: 6,143,534 Menger Et Al
USOO6143534A United States Patent (19) 11 Patent Number: 6,143,534 Menger et al. (45) Date of Patent: Nov. 7, 2000 54) MICROBIAL PROCESS FOR PRODUCING “The Digestive System”, Ch. Noirot & C. Noirot-Timothee, METHANE FROM COAL p. 49-87. 75 Inventors: William M. Menger; Ernest E. Kern, “Food and Feeding Habits of Termites”, T.G. Wood, Pro both of Houston, Tex.; O. C. Karkalits, duction Ecology of Ants and Termites, pp. 55-58 (1978). Lake Charles, La., Donald L. Wise, "Feeding Relationships and Radioisotope Techniques', Belmont, Mass.; Alfred P. Leuschner; Elizabeth A. McMahan, Biology of Termites, vol. 1, pp. David Odelson, both of Cambridge, 387–406 (1969). Mass.; Hans E. Grethlein, Lansing, Mich. Lee, K. E., “Termites and Soils”, p. 128-145 (1971). Condensed Chemical Dictionary, p. 516, 661, 1974. 73 Assignee: Reliant Energy Incorporated, French et al, Mater Org (Berl) 10(4), 1975. p. 281–288. Houston, TeX. Lee et al., Curr. Microbiol. 15(6), p. 337-342, 1987. 21 Appl. No.: 07/814,078 O'Brien et al, Aust J. Biol. Sci, 35, p. 239-262, 1982. 22 Filed: Dec. 24, 1991 Odelson et al., Appl. Environ. Microbiol. 49(3) p. 614-621, 1985. Related U.S. Application Data Healy et al., App. Envoir. Microbiol., Jul., 1979, Vol. 38, pp. 63 Continuation of application No. 07/686,271, Apr. 15, 1991, 84-89. abandoned, which is a continuation of application No. Colberg et al., App. Envir. Microbiol, 49(2), Feb. 1985, pp. 07/156,532, Feb. 16, 1988, abandoned, which is a continu ation-in-part of application No.
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