Children's washable paint
US7153356B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 17, 2005 |
| Grant date | Dec 26, 2006 |
| Priority date | — |
| Expiry date | Oct 17, 2025 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L71/02
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The invention relates to a washable paint comprising about 2.5 to 10 weight percent of a high molecular weight polyethylene glycol having a molecular weight between 2,000 and 20,000, a water swellable clay in the amount of 0.5 to 1.5 weight percent; and a high molecular weight cellulosic thickener in the amount of about 1.0 to 2.5 weight percent, wherein the high molecular weight cellulosic thickener has a viscosity between 500 and 15,000 cps tested as a 2% by weight solution in water at 25° C. using a Brookfield DV-II+ viscometer with a number 21 spindle and a speed of 2 rpm, and wherein the paint has a viscosity of between 5,000 and 50,000 cps tested on a Brookfield DV-II+ viscometer with a number 6 spindle at 10 rpm and 52° C.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.