(19)

(11)

EP 0 650 514 A1

(12)

(43) Date of publication: 03.05.1995 Bulletin 1995/18 (21) Application number: 93916876.0 (22) Date of filing: 29.06.1993

(51) International Patent Classification (IPC):  C09K 8/ 03( . ) C09K 8/ 12( . ) C09K 8/ 516( . ) C09K 8/ 60( . ) C09K 17/ 16( . ) C09K 17/ 22( . ) C09K 8/ 035( . ) C09K 8/ 50( . ) C09K 8/ 56( . ) C09K 8/ 92( . ) C09K 17/ 18( . ) (86) International application number: PCT/US1993/006231 (87) International publication number: WO 1994/002567 (03.02.1994 Gazette 1994/04)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 15.07.1992 US 19920914441 19.02.1993 US 19930020345 (71) Applicant: KB TECHNOLOGIES LTD. Spring, TX 77379 (US)	(72) Inventors: GOODHUE, K., Gifford, Jr. Spring, TX 77379 (US) HOLMES, Max, M. Dallas, TX 75214 (US) (74) Representative: Harris, Ian Richard  c/o D. Young & Co., 21 New Fetter Lane London EC4A 1DA London EC4A 1DA (GB)