| (19) |
 |
|
(11) |
EP 0 851 021 A3 |
| (12) |
EUROPEAN PATENT APPLICATION |
| (88) |
Date of publication A3: |
|
22.12.1999 Bulletin 1999/51 |
| (43) |
Date of publication A2: |
|
01.07.1998 Bulletin 1998/27 |
| (22) |
Date of filing: 11.12.1997 |
|
|
| (84) |
Designated Contracting States: |
|
AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE |
|
Designated Extension States: |
|
AL LT LV MK RO SI |
| (30) |
Priority: |
28.12.1996 US 781971
28.12.1996 US 781967
28.12.1996 US 781969
|
| (71) |
Applicant: BASF CORPORATION |
|
Mount Olive,
New Jersey 07828-1234 (US) |
|
| (72) |
Inventors: |
|
- Welch, Michael C.
Woodhaven, MF 48183 (US)
- Zack, Kenneth L.
Wyandotte, MI 48192 (US)
- Roberts, Glenis
Wyandotte, MI 48192 (US)
|
| (74) |
Representative: Abel, Manfred et al |
|
BASF Aktiengesellschaft
Patentabteilung ZDX - C6
67056 Ludwigshafen
67056 Ludwigshafen (DE) |
|
| |
|
| (54) |
Improved rinse aid compositions |
(57) The present invention relates to rinse aid compositions comprising low foaming non-inonic
surfactants, polycarboxylate polymers and, if wanted, hydrotropes and certain phosphate
esters or certain alkyl iminodialkanoates.