Detergent composition containing polycarboxylate agent having specifically defined parameters
US5773401A · kind A · utility
5Cited by
0References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 28, 1997 |
| Grant date | Jun 30, 1998 |
| Priority date | — |
| Expiry date | Feb 28, 2017 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D3/3757
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Laundry detergent compositions comprise at least 10% detergent surfactant or at least 10% detergent builder system. The detergent builder system comprises a copolymer of maleic acid and acrylic acid having a molecular weight of from 5,000 to 15,000 and a mole ratio of acrylic units to maleic units of from about 3:7 to 7:3. The copolymer has an Index Ratio (IR) of not less than 110, wherein IR=Binding Index (BI).times.Dispersing Index (DI)100.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.