Nonaqueous liquid, phosphate-free, improved automatic dishwashing composition containing enzymes
US5169553A · kind A · utility
16Cited by
7References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 31, 1991 |
| Grant date | Dec 8, 1992 |
| Priority date | — |
| Expiry date | May 31, 2011 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D17/0004
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A phosphate-free liquid dishwashing composition containing a binary mixture of a protease enzyme and an amylase enzyme have been found to be very useful. The compositions also contain nonionic surfactants.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.