Deane Stefan Walker
Engineering in Concord, CA

License number
Louisiana EI.0014354
Issued Date
Jan 7, 1992
Expiration Date
Mar 31, 2018
Category
Civil Engineer
Address
Address
5050 St Patricia Ct, Concord, CA 94521

Professional information

Deane Walker Photo 1

Glycerol-Containing Functional Fluid

US Patent:
2012016, Jun 28, 2012
Filed:
Dec 16, 2011
Appl. No.:
13/328797
Inventors:
Deane S. Walker - Concord CA, US
Patrick J. McDougall - Berkeley CA, US
Kenneth Nelson - Napa CA, US
Assignee:
Chevron Oronite Company LLC - San Ramon CA
International Classification:
C10M 137/02, C10M 135/10, C10M 129/74
US Classification:
508369, 508501, 508391
Abstract:
A functional fluid comprising a major amount of an oil of lubricating viscosity, and greater than about 0.05 wt-% glycerol. A method of preparing a functional fluid comprising adding glycerol to a functional fluid, wherein the glycerol is not glycerol monooleate. A method of preparing an additive concentrate comprising adding glycerol to a diluent oil wherein the concentrate contains from about 1% to about 99% by weight of said diluent. A method of reducing friction comprising contacting a metal surface with a functional fluid comprising a major amount of an oil of lubricating viscosity and greater than about 0.05 wt-% glycerol.


Deane Walker Photo 2

Lubricating Oil Additive Composition And Method Of Making The Same

US Patent:
2010008, Apr 1, 2010
Filed:
Sep 30, 2008
Appl. No.:
12/242369
Inventors:
Deane S. Walker - Concord CA, US
International Classification:
C10M 133/44, C10M 129/40, C10M 129/70, C10M 129/04, C10M 135/10
US Classification:
508287, 508459, 508513, 508463, 508583, 508390
Abstract:
An oil-soluble lubricating oil additive composition comprising (a) at least 3.5 wt-% of at least one friction modifier selected from the group consisting of fatty acids, fatty acid amides, fatty acid esters, and alkane diols which have a melting point of greater than 30° C.; (b) at least 10 wt-% actives dispersant; and (c) a sufficient amount of surfactant to make said additive composition haze-, sediment-, and skin-free, provided that said additive composition contains at least 150 mm surfactant per kg of said lubricating oil additive composition.