(19)

(11)

EP 0 217 803 A1

(12)

(43) Date of publication: 15.04.1987 Bulletin 1987/16 (21) Application number: 85905557.0 (22) Date of filing: 15.10.1985

(51) International Patent Classification (IPC):  C08F 2/ 06( . ) C08F 210/ 16( . ) C08F 210/ 06( . ) C08F 297/ 08( . ) (86) International application number: PCT/US1985/002016 (87) International publication number: WO 1986/005794 (09.10.1986 Gazette 1986/22)

(84) Designated Contracting States: BE DE FR GB IT (30) Priority: 01.04.1985 US 19850718591 (71) Applicant: USS ENGINEERS AND CONSULTANTS, INC. Pittsburgh Pennsylvania 15230 (US)	(72) Inventors: EHRIG, Raymond, J. Pittsburgh, PA 15241 (US) GODFREY, John, J. Murrysville, PA 15668 (US) (74) Representative: Patentanwälte Grünecker, Kinkeldey, Stockmair & Partner  Maximilianstrasse 58 D-80538 München D-80538 München (DE)