EP575883-A1  PATENT ABSTRACTS OF JAPAN vol. 10, no. 150 (E-408)(2207) 31 May 1986 & JP-A-61 010 877 ( MITSUBISHI DENKI K.K. ) 18 January 1986;  PATENT ABSTRACTS OF JAPAN vol. 10, no. 168 (E-411)(2224) 14 June 1986 & JP-A-61 019 073 ( MITSUBISHI DENKI K.K. ) 27 January 1986;  PATENT ABSTRACTS OF JAPAN vol. 10, no. 377 (C-392)(2434) 16 December 1986 & JP-A-61 171 530 ( HITACHI LTD ) 2 August 1986;  PATENT ABSTRACTS OF JAPAN vol. 12, no. 252 (C-512)(3099) 15 July 1988 & JP-A-63 039 628 ( YAMAHA MOTOR CO LTD ) 20 February 1988;  PATENT ABSTRACTS OF JAPAN vol. 13, no. 124 (C-580)(3472) 27 March 1989 & JP-A-63 295 403 ( ASAHI ENG K.K. ) 1 December 1988;  PATENT ABSTRACTS OF JAPAN vol. 16, no. 362 (C-971)5 August 1992 & JP-A-04 114 901 ( MITSUBISHI ELECTRIC CORP ) 15 April 1992;  PATENT ABSTRACTS OF JAPAN vol. 16, no. 455 (C-987)22 September 1992 & JP-A-04 161 244 ( TOSHIBA CORP ) 4 June 1992;  PATENT ABSTRACTS OF JAPAN vol. 10, no. 377 (C-392)(2434) 16 December 1986&JP-A-61 171 530 ( HITACHI LTD ) 2 August 1986;  PATENT ABSTRACTS OF JAPAN vol. 12, no. 252 (C-512)(3099) 15 July 1988&JP-A-63 039 628 ( YAMAHA MOTOR CO LTD ) 20 February 1988;  PATENT ABSTRACTS OF JAPAN vol. 16, no. 362 (C-971)5 August 1992&JP-A-04 114 901 ( MITSUBISHI ELECTRIC CORP ) 15 April 1992;  PATENT ABSTRACTS OF JAPAN vol. 13, no. 124 (C-580)(3472) 27 March 1989&JP-A-63 295 403 ( ASAHI ENG K.K. ) 1 December 1988;  PATENT ABSTRACTS OF JAPAN vol. 16, no. 455 (C-987)22 September 1992&JP-A-04 161 244 ( TOSHIBA CORP ) 4 June 1992;  PATENT ABSTRACTS OF JAPAN vol. 10, no. 168 (E-411)(2224) 14 June 1986&JP-A-61 019 073 ( MITSUBISHI DENKI K.K. ) 27 January 1986;  PATENT ABSTRACTS OF JAPAN vol. 10, no. 150 (E-408)(2207) 31 May 1986&JP-A-61 010 877 ( MITSUBISHI DENKI K.K. ) 18 January 1986US5346779-A  Chemicals Abstracts, 117 (1992) Oct. 19, No. 16, 117:154498q;  Patent Abstracts of Japan, vol. 10, No. 150 (E-408)(2207) May 31, 1986;  Patent Abstracts of Japan, vol. 10, No. 168 (E-411)(2224) Jun. 14, 1986;  Patent Abstracts of Japan, vol. 10, No. 377 (C-392)(2434) Dec. 16, 1986;  Patent Abstracts of Japan, vol. 12, No. 252 (C-512)(3099) Jul. 15, 1988;  Patent Abstracts of Japan, vol. 13, No. 124 (C-580)(3472) Mar. 27, 1989;  Patent Abstracts of Japan, vol. 16, No. 362 (C-971) Aug. 5, 1992;  Patent Abstracts of Japan, vol. 16, No. 455 (C-987) Sep. 22, 1992EP575883-B1  PATENT ABSTRACTS OF JAPAN vol. 10, no. 150 (E-408)(2207) 31 May 1986 &;  PATENT ABSTRACTS OF JAPAN vol. 10, no. 168 (E-411)(2224) 14 June 1986 &;  PATENT ABSTRACTS OF JAPAN vol. 10, no. 377 (C-392)(2434) 16 December 1986 &;  PATENT ABSTRACTS OF JAPAN vol. 12, no. 252 (C-512)(3099) 15 July 1988 &;  PATENT ABSTRACTS OF JAPAN vol. 13, no. 124 (C-580)(3472) 27 March 1989 &;  PATENT ABSTRACTS OF JAPAN vol. 16, no. 362 (C-971)5 August 1992 &;  PATENT ABSTRACTS OF JAPAN vol. 16, no. 455 (C-987)22 September 1992 &