Reduced puffing needle coke from decant oil
US8007660B2 · kind B2 · utility
2Cited by
18References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 3, 2008 |
| Grant date | Aug 30, 2011 |
| Priority date | — |
| Expiry date | Oct 17, 2029 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10G2300/202
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A reduced puffing needle coke is formed from decant oil, which includes a lesser amount of nitrogen within the coke so that carbon articles produced from such coke experience minimal expansion upon heating to graphitization temperatures.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.