Thickened aqueous abrasive cleanser with improved rinsability
US5554321A · kind A · utility
9Cited by
3References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 31, 1995 |
| Grant date | Sep 10, 1996 |
| Priority date | — |
| Expiry date | Aug 31, 2015 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D3/3956
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A method of making a hard surface abrasive scouring cleanser, in steps comprising making an aqueous solution of nonionic surfactant and pH adjusting agent; making a slurry of water and a calcium carbonate abrasive, and allowing the slurry to degas; adding the slurry of to the aqueous solution slowly with gentle mixing and allowing the resultant mixture to degas; and adding a quantity of cross-linked polyacrylate and any other adjunct ingredients. The cleanser has no significant syneresis, undue viscosity or yield stress increase, stably suspends abrasives, and has excellent rinsing characteristics.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.