(19)

(11)

EP 0 151 175 A1

(12)

(43) Date of publication: 14.08.1985 Bulletin 1985/33 (21) Application number: 84902977.0 (22) Date of filing: 18.07.1984

(51) International Patent Classification (IPC):  C04B 35/ 195( . ) F24C 1/ 12( . ) C04B 28/ 34( . ) (86) International application number: PCT/US1984/001114 (87) International publication number: WO 1985/000586 (14.02.1985 Gazette 1985/04)

(84) Designated Contracting States: AT BE CH DE FR GB LI LU NL SE (30) Priority: 26.07.1983 US 19830517507 (71) Applicant: SHUBOW, Calvin Farmington, MI 48024 (US)	(72) Inventor: SHUBOW, Calvin Farmington, MI 48024 (US) (74) Representative: Szczuka, Jan Tymoteusz, et al  Cruikshank & Fairweather 19 Royal Exchange Square Glasgow G1 3AE Scotland Glasgow G1 3AE Scotland (GB)