Color enhancement system for fires
US8118589B2 · kind B2 · utility
Inventors
Key dates
| Filing date | Apr 28, 2009 |
| Grant date | Feb 21, 2012 |
| Priority date | — |
| Expiry date | Jan 9, 2030 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10L11/08
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A flame color-enhancing apparatus includes a hollow outer tubular member having a predetermined copper content, a predetermined inside diameter and surface, and a first predetermined length; and an internal tubular member frictionally disposed within the outer tubular member to a predetermined ratio of contact of the interior surface of the outer member to exterior surface of the internal tubular member. The internal tubular member contains a predetermined content of chlorine-based polymer and has a second predetermined length and an outside diameter substantially equal to the predetermined inside diameter.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.