Coated laundry and/or automatic dishwashing tablets having a chamfered edge for improved structural integrity
US6576599B1 · kind B1 · utility
4Cited by
6References
16Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 25, 2000 |
| Grant date | Jun 10, 2003 |
| Priority date | — |
| Expiry date | Oct 25, 2020 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D17/04
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A laundry and/or automatic dishwashing tablet including a core (10) formed by compressing a particulate material, wherein the particulate material includes a detersive surfactant and a builder. The core (10) is compressed into a tubular configuration having a polygonal cross section and a plurality of surfaces meeting to form a plurality of edges, thereby forming a contoured core (10), wherein at least one of the plurality of edges is chamfered (20). The non-particulate detergent product further includes a coating (12) which substantially covers the contoured core (10).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.