PCT Written Opinion, Sep. 14, 2001. |
John B. Tuttle, “The Petroleum Waxes”, Petroleum Products Handbook, Section 10, pp. 10-1—10-30, 1960. |
G.E. Unmuth, “Petroleum Waxes—Their Composition and Physical Properties”, Paper given at the CSMA Convention in Chicago, IL, May 1975, 18 pp. |
E.A. Liegel, et al., “Evaluation of Sulfur-coated Urea (SCU) Applied to Irrigated Potatoes and Corn”, Agronomy Journal, vol. 68, May-Jun. 1976, pp. 457-463. |
V.D. Akolkar, et al., “Coating Agents for Hygroscopic Fertilisers”, Fertilizer News, vol. 41, pp. 59-65, Dec. 1996. |