Shell Oil Comapny

Shell Internationale Research Maatschappij, B.v.

Howard Brian Mead

Raghunath Gopal Menon

Krishna Rangraj Kaushik

Stefan Daegling

Ronald D Harris

Jean-Paul Saint

Jean-Luc Pierre André Brossaud

Jerome Dabos

Aimin Huang

David Edmund Code

Catherine Maillard

Charles Montgomery Harris

Eurydice Kone

Robert James Wilkinson

Alexander Hellawell

Alexander Massey

Ton Visser

Don Van Zwieten

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) a cooling-mixing zone.

Process and apparatus for preparing a urea grease

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Ince Chester, United Kingdom

Howard Brian Mead