Process and apparatus for preparing a urea grease
US8703671B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 5, 2007 |
| Grant date | Apr 22, 2014 |
| Priority date | — |
| Expiry date | Aug 5, 2030 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10M2217/0456
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The invention provides for a process for preparing a urea grease including: (a) introducing a first feed component to a first feeding zone; (b) introducing a second feed component to a second feeding zone; (c) first reacting-mixing in a first reacting-mixing zone; and (d) cooling-mixing in a cooling-mixing zone. The invention also provides for a process for preparing a urea grease including: (a) introducing a first feed component to a first feeding zone; (b) introducing a second feed component to a second feeding zone; (c) first reacting-mixing in a first reacting-mixing zone; (d) introducing a third feed component to a third feeding zone; (e) second reacting-mixing in a second reacting-mixing zone; and (f) cooling-mixing in a cooling-mixing zone. The invention also provides for an apparatus for preparing a urea grease comprising: (a) a first feeding zone; (b) a second feeding zone; (c) a first reacting-mixing zone; and (d) a cooling-mixing zone. The invention also provides for an apparatus for preparing a urea grease comprising: (a) a first feeding zone; (b) a second feeding zone; (c) a first reacting-mixing zone; (d) a third feeding zone; (e) a second reacting-mixing zone; and (f…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.