PROCESS FOR PREPARING HYDROPHOBICALLY MODIFIED LOW FOAMING COPOLYMERS, HYDROPHOBICALLY MODIFIED LOW FOAMING COPOLYMERS AND THEIR USE AS CEMENT ADDITIVES - Patent 1117715

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EP 1 117 715 A1

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(43)	Date of publication:
	25.07.2001 Bulletin 2001/30

(21)	Application number: 99945644.5

(22)	Date of filing: 10.09.1999

(51)	International Patent Classification (IPC)⁷: C08F 283/06, C08F 220/04, C08F 222/02, C04B 24/26

(86)	International application number:
	PCT/US9920/831

(87)	International publication number:
	WO 0014/133 (16.03.2000 Gazette 2000/11)

(84)	Designated Contracting States:
	AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

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Priority:

10.09.1998 EP 98117115

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

(72)	Inventors:
	EIFFLER, Juergen D-21682 Stade (DE) FROEHLICH, Christoph CH-8835 Feusisberg (CH) STRANIMAIER, Kerstin CH-8841 Gross (CH)

(74)	Representative: Sternagel, Hans-Günther, Dr. et al
	Sternagel, Fleischer, Godemeyer & PartnerPatentanwälteBraunsberger Feld 29 51429 Bergisch Gladbach 51429 Bergisch Gladbach (DE)

(54)	PROCESS FOR PREPARING HYDROPHOBICALLY MODIFIED LOW FOAMING COPOLYMERS, HYDROPHOBICALLY MODIFIED LOW FOAMING COPOLYMERS AND THEIR USE AS CEMENT ADDITIVES