Powdered automatic dishwashing composition containing enzymes
US5468411A · kind A · utility
19Cited by
7References
25Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 5, 1993 |
| Grant date | Nov 21, 1995 |
| Priority date | — |
| Expiry date | Nov 5, 2013 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D17/06
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A phosphate-free powdered dishwashing composition containing a mixture of a protease enzyme and an amylase enzymes have been found to be very useful in the cleaning of dishware. The compositions contain nonionic surfactants and a alkali metal silicate and bleaching agent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.