(19)
(11) EP 0 165 252 A1

(12)

(43) Date of publication:
27.12.1985 Bulletin 1985/52

(21) Application number: 84903921.0

(22) Date of filing: 29.10.1984
(51) International Patent Classification (IPC): 
C04B 24/ 12( . )
C08G 73/ 02( . )
C04B 24/ 28( . )
(86) International application number:
PCT/US1984/001743
(87) International publication number:
WO 1985/001935 (09.05.1985 Gazette 1985/11)
(84) Designated Contracting States:
BE DE FR GB NL

(30) Priority: 03.11.1983 US 19830548475
05.03.1984 US 19840586374
08.08.1984 US 19840638824

(71) Applicant: THE DOW CHEMICAL COMPANY
Midland Michigan 48640-1967 (US)

(72) Inventors:
  • WILLIS, Stephen, B.
    Lake Jackson, TX 77566 (US)
  • BOYCE, Pamela, J.
    Angleton, TX 77515 (US)

(74) Representative: Peuscet, Jacques 
Cabinet Peuscet 68, rue d'Hauteville
F-75010 Paris
F-75010 Paris (FR)

   


(54) A MODIFIED ALKYLENEDIAMINE OR POLYAKYLENEPOLYAMINE COMPOSITION AND AQUEOUS HYDRAULIC CEMENT SLURRY EMPLOYING THE COMPOSITION