Powered automatic dishwashing composition containing enzymes
US5173207A · kind A · utility
63Cited by
8References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 31, 1991 |
| Grant date | Dec 22, 1992 |
| Priority date | — |
| Expiry date | May 31, 2011 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D3/3942
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A phospate-free powdered dishwashing composition containing a mixture of protease enzyme and anamylase 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.