Solid detergent cleaning composition, and method of manufacturing
US5108642A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Mar 28, 1990 |
| Grant date | Apr 28, 1992 |
| Priority date | — |
| Expiry date | Mar 28, 2010 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D3/2082
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A solid detergent composition for cleaning hard surfaces comprises an active detergent constituent which also serves as a carrier material, and a cleaning constituent. The cleaning constituent can comprise an acidic material, which is effective to remove soap scum from hard surfaces, or a bleach functional at a basic pH which is effective to bleach mildew. The detergent constituent comprises the essentially anhydrous neutralization product of an anionic surfactant such as a linear alkylbenzene sulfonic acid and a solid neutralizing material, such as a salt, oxide, or hydroxide of an alkali or alkaline earth metal, including sodium carbonate. The cleaning constituent, along with a filler material, is added to the detergent constituent during the course of and prior to the termination of the neutralization reaction. Also disclosed is a reusable scrubber pad incorporating the solid detergent composition. Within other aspects of the invention are solid, acidic cleaning compositions containing at least one polycarboxylic acid, solid cleaning compositions containing a bleach functional at a basic pH, and methods for manufacturing and using both the acid pH and the basic pH solid cleaning…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.