| (19) |
 |
|
(11) |
EP 0 162 033 A3 |
| (12) |
EUROPEAN PATENT APPLICATION |
| (88) |
Date of publication A3: |
|
26.03.1986 Bulletin 1986/13 |
| (43) |
Date of publication A2: |
|
21.11.1985 Bulletin 1985/47 |
| (22) |
Date of filing: 06.05.1985 |
|
|
| (84) |
Designated Contracting States: |
|
AT BE CH DE FR GB IT LI NL |
| (30) |
Priority: |
14.05.1984 US 609944
14.05.1984 US 609945
|
| (71) |
Applicant: THE PROCTER & GAMBLE COMPANY |
|
() |
|
| (72) |
Inventor: |
|
- Severson, Roland George, Jr.
()
|
|
| |
|
| (54) |
Liquid detergents containing boric acid to stabilize enzymes |
(57) Heavy-duty liquid detergents containing anionic surfactant, fatty acid, builder,
proteolytic or amylolytic enzyme, boric acid or a boron compound capable of forming
boric acid in the composition, and calcium ion are disclosed. Boric acid provides
improved enzyme stability in the compositions.