Supercritical Fluid Technology FRANK V. BRIGHT and MARY ELLEN P. MCNALLY and Mary Ellen P. McNally and Frank V. Bright and Dor Ben-Amotz and Fred LaPlant and Dana Shea and Joseph Gardecki and Donald List and J. R. Combes and K. P. Johnston and K. E. O'Shea and M. A. Fox and Thomas A. Betts and JoAnn Zagrobelny and Barbara L. Knutson and David L. Tomasko and Charles A. Eckert and Pablo and M. Joan Comstock