Non-phosphate machine dishwashing compositions containing polycarboxylate polymers and polyalkylene oxide homopolymers
US5759978A · kind A · utility
4Cited by
7References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 6, 1995 |
| Grant date | Jun 2, 1998 |
| Priority date | — |
| Expiry date | Dec 6, 2015 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D3/3942
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
An improved non-phosphate, peroxygen based machine dishwashing composition comprising a blend of nonionic surfactants, builders, non-chlorine bleach, bleach precursors, enzymes, polycarboxylate polymers and homopolymers of polyalkyleneoxide wherein spotting and filming are substantially minimized.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.