C - Chemistry – Metallurgy – 10 – M
Patent
C - Chemistry, Metallurgy
10
M
253/57
C10M 129/26 (2006.01) C10M 129/92 (2006.01) C10M 133/44 (2006.01)
Patent
CA 1295316
ABSTRACT OF THE DISCLOSURE A method for manufacturing a lubricating grease having improved properties is described. The method comprises reacting a pyrrolidone with a fatty amine and subsequently adding a metal hydroxide to the reaction when the unreacted fatty amine content ranges between about 33 and about 66 wt.% of the fatty amine originally added. The grease thus formed will be a NGLI #0 grade grease that has the high temperature stay-in-place properties of a NIGLI #2 grade grease.
555078
Alexander A. Gordon
Brewster Phillip W.
Norton James H.
Nywening William
Alexander A. Gordon
Borden Ladner Gervais Llp
Brewster Phillip W.
Exxon Research And Engineering Company
Imperial Oil Limited
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