POLYISOCYANATE PREPOLYMERS PREPARED FROM RIGID POLYAROMATIC PRECURSOR MATERIALS, AND POLYURETHANES PREPARED THEREFROM - Patent 0365599

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EP 0 365 599 A1

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(43)	Date of publication:
	02.05.1990 Bulletin 1990/18

(21)	Application number: 88906734.0

(22)	Date of filing: 07.07.1988

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International Patent Classification (IPC):

C08G 18/ 32^{( . )}
C08G 18/ 80^{( . )}

C08G 18/ 48^{( . )}
C08G 18/ 81^{( . )}

(86)	International application number:
	PCT/US1988/002291

(87)	International publication number:
	WO 1989/000588 (26.01.1989 Gazette 1989/03)

(84)	Designated Contracting States:
	BE DE FR GB IT NL SE

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Priority:

14.07.1987 US 19870073046

(71)	Applicant: THE DOW CHEMICAL COMPANY
	Midland Michigan 48674 (US)

(72)	Inventors:
	THOMAS, Oomman, P. Lake Jackson, TX 77566 (US) BURT, Earl, E., III Clute, TX 77531 (US) PEFFLEY, Richard, D. Lake Jackson, TX 77566 (US)

(74)	Representative: Huber, Bernhard, Dipl.-Chem., et al
	Patentanwälte H. Weickmann, Dr. K. Fincke F.A. Weickmann, B. Huber Dr. H. Liska, Dr. J. Prechtel, Dr. B. Böhm Postfach 86 08 20 D-81635 München D-81635 München (DE)

(54)	POLYISOCYANATE PREPOLYMERS PREPARED FROM RIGID POLYAROMATIC PRECURSOR MATERIALS, AND POLYURETHANES PREPARED THEREFROM