POLYMERIC THICKENERS FOR AQUEOUS COMPOSITIONS - Patent 0556338

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EP 0 556 338 A1

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(43)	Date of publication:
	25.08.1993 Bulletin 1993/34

(21)	Application number: 92902069.0

(22)	Date of filing: 08.11.1991

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International Patent Classification (IPC):

C08G 65/ 28^{( . )}
C08G 83/ 00^{( . )}
C09D 7/ 00^{( . )}

C08G 65/ 329^{( . )}
C08L 101/ 00^{( . )}
C09K 3/ 00^{( . )}

(86)	International application number:
	PCT/US1991/008349

(87)	International publication number:
	WO 1992/008753 (29.05.1992 Gazette 1992/12)

(84)	Designated Contracting States:
	DE FR GB IT

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Priority:

08.11.1990 US 19900611206
07.11.1991 US 19910787905

(71)	Applicant: HENKEL CORPORATION
	Ambler, Pennsylvania 19002 (US)

(72)	Inventors:
	WIGGINS, Michael, S. Ambler, PA 19002 (US) GRINSTEIN, Reuben Blue Bell, PA 19422 (US) FISCHER, Stephen, A. Yardley, PA 19067 (US)

(74)	Representative: von Kreisler, Alek, Dipl.-Chem.
	Patentanwälte von Kreisler-Selting-Werner Postfach 10 22 41 D-50462 Köln D-50462 Köln (DE)

(54)	POLYMERIC THICKENERS FOR AQUEOUS COMPOSITIONS