Color changing consumer products
US8647648B2 · kind B2 · utility
4Cited by
28References
27Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 2, 2009 |
| Grant date | Feb 11, 2014 |
| Priority date | — |
| Expiry date | Apr 29, 2029 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB32B2555/00
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The invention relates to personal care products containing multilayer films with decorative layers and may impart a noticeable color change. The invention is applicable in products including type toothpaste, soaps, and other products until diluted with water (or saliva).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.