(19)
(11) EP 0 258 216 A1

(12)

(43) Date of publication:
09.03.1988 Bulletin 1988/10

(21) Application number: 86900883.0

(22) Date of filing: 02.01.1986
(51) International Patent Classification (IPC): 
C02F 5/ 08( . )
C23G 1/ 02( . )
 C11D 7/ 26( . )
(86) International application number:
PCT/US1986/000005
(87) International publication number:
WO 1987/004143 (16.07.1987 Gazette 1987/15)
(84) Designated Contracting States:
AT BE CH DE FR GB IT LI LU NL SE

(71) Applicant: ABADI, Khodabandeh
Tucson, AZ 85702 (US)

(72) Inventor:
  • ABADI, Khodabandeh
    Tucson, AZ 85702 (US)

   


(54) SCALE REMOVAL COMPOSITION COMPRISING ALPHA-HYDROXY CARBOXYLIC ACID AND THICKENER