EP1923893-A1  K. D. DURST; H. KRONMULLER: 'THE COERCIVE FIELD OF SINTERED AND MELT-SPUN NdFeB MAGNETS' JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS vol. 68, 1987, pages 63 - 75;  HIROTA K ET AL: "Coercivity Enhancement by Grain Boundary Diffusion Process to Nd-Fe-B Sintered Magnets" IEEE TRANSACTIONS ON MAGNETICS, IEEE SERVICE CENTER, NEW YORK, NY, US, vol. 42, no. 10, 2006, pages 2909-2911, XP002463459 ISSN: 0018-9464EP1923893-B1  HIROTA K ET AL: "Coercivity Enhancement by Grain Boundary Diffusion Process to Nd-Fe-B Sintered Magnets" IEEE TRANSACTIONS ON MAGNETICS, IEEE SERVICE CENTER, NEW YORK, NY, US, vol. 42, no. 10, 2006, pages 2909-2911, XP002463459 ISSN: 0018-9464US7883587-B2  European Search Report dated Mar. 31, 2008, issued in corresponding European Patent No. 07254503.;  Hirota, K. et al.; "Coercivity Enhancement by the Grain Boundary Diffusion Process to Nd-Fe-B Sintered Magnets"; IEEE Transactions on Magnetics, vol. 42, No. 10, pp. 2909-2911, XP002463459, Oct. 2006.;  K.D. Durst et al. "The Coercive Field of Sintered and Melt-Spun NdFeB Magnets," Journal of Magnetism and Magnetic Materials, 68 (1987); pp. 63-75.;  International Search Report of PCT/JP2007/056594, date of mailing Jul. 10, 2007.;  International Search Report of PCT/JP2007/056586, date of mailing Jun. 19, 2007.;  "Shin-Etsu Chemical develops new high-performance technology for neodymium rare-earth magnets", Shin-Etsu News, press release in Tokyo, Mar. 24, 2005.;  IEEE International Magnetics Conference, May 8-12, 2006, p. 910.;  Digest of the 30th Annual Conference on MAGNETICS in Japan 2006, pp. 417-418.;  European Search Report dated Jun. 4, 2008, issued in corresponding European Patent Application Number 07251603.2.;  European Search Report dated Jun. 26, 2008, issued in corresponding European Patent Application Number 08250927.4.;  Qin, C-D et al., "The protective coatings of NdFeB magnets by Al and AI(Fe)", Journal of Applied Physics, American Institute of Physics, 01.79, No. 8, pp. 4854-4856, Apr. 15, 1996.;  Russian Decision on Grant dated Mar. 18, 2009, issued in corresponding Russian patent application No. 200611752902.;  Kim, A.S. et al. "Development of High Coercive Powder From the Nd-Fe-B Sintered Magnet Scrap" IEEE Transactions on Magnetics, IEEE Service Center, New York, NY, US, vol. 40, No. 4, Jul. 2004, pp. 2877-2879. XP-011117004.;  Extended European Search Report dated Jan. 14,2008 of European Application No. 06250542.5.;  Machine Translation of JP 06-24401 I. Only Abstract translated.;  The Journal of the Institute of Electrical Engineers of Japan, vol. 124, 2004, pp. 699-702, published on Nov. 1, 2004.;  Intermag Asia 2005; Digest of the IEEE International Magnetics Conference; p. 476; held on Apr. 4-8, 2005.;  Techno-Frontier Symposium 2005; pp. Bl-2-1 to Bl-2-12; held on Apr. 20, 2005 by JMA.;  Nakamura, Hajime et al., "Magnetic Properties of Extremely Small Nd-Fe-B Sintered Magnets", IEEE Transactions on Magnetics, vol. 41, No. 10. Oct. 2005, pp. 3844-3846.;  Abstract of Autumn Meeting of Japan Society of Powder and Powder Metallurgy, 2005; p. 143; held on Nov. 14-16, 2005.;  2005 BM Symposium, Abstract of Presentation by the Japan Association of Bonded Magnet Industries held on Dec. 2, 2005.;  Translation of International Preliminary Report on Patentability mailed May 3, 2007 of International Application No. PCT/JP2005/005134.;  International Search Report of International Application No. PCT/JP2005/005 134, mailing date of Jul. 12, 2008.;  K.T. Park et al.; "Effect of Metal-Coating and Consecutive Heat Treatment on Coercivity of Thin Nd-Fe-B Sintered Magnets", Proceedings of the Sixteenth International Workshop on Rare-Earth Magnets and Their Applications, Sendai, (2000) pp. 257-264. Cited in the spec.;  European Search Report dated May 28, 2008, issued in corresponding European Patent Application Number 07251607.;  The Nikkan Kogyo Shimbun, reporting the press release, Mar. 25, 2005 (English translation of Japanese document previously submitted with IDS filed Dec. 17, 2009).;  The Dempa Shimbun, reporting the press release, Mar. 25,2005 (English translation of Japanese document previously submitted with IDS filed Dec. 17, 2009).;  The Kagaku Kogyo Nippo, reporting the press release, Mar. 25,2005 (English translation of Japanese document previously submitted with IDS filed Dec. 17, 2009).;  The Sekiyu Kagaku Shimbun Nikkan Tsushin, reporting the press release, Mar. 25, 2005 (English translation of Japanese document previously submitted with IDS filed Dec. 17, 2009).;  The Nikkan Chemical News, reporting the press release, Mar. 25, 2005 (English translation of Japanese document previously submitted with IDS filed Dec. 17, 2009).;  Nikkei Press Release, Mar. 25, 2005 (English translation of Japanese document previously submitted with IDS filed Dec. 17, 2009).;  H. Nakamura; "Nd-Fe-B Sintered Magnets Produced by the Grain Boundary Diffusion Process", Bulletin of Topical Symposium of the Magnetic Society of Japan, Mar. 14,2006, pp. 13-18 (Shin-Etsu Chemical Co Ltd.) (English translation of Japanese document previously submitted with IDS filed Dec. 17, 2009).;  K. Machida et al.;Grain Boundary Modification and Magnetic Properties of Nd-Fe-B Sintered Magnets (English translation of Japanese document previously submitted with IDS filed Dec. 17, 2009).