Solid anti-friction devices – materials therefor – lubricant or se – Solid anti-friction device – article or material therefor – Silicon compound
Reexamination Certificate
2005-11-17
2010-02-09
Griffin, Walter D (Department: 1797)
Solid anti-friction devices, materials therefor, lubricant or se
Solid anti-friction device, article or material therefor
Silicon compound
C508S101000, C508S115000
Reexamination Certificate
active
07659230
ABSTRACT:
Thermoplastic resin compositions comprising a thermoplastic polymer and a lubricating oil-impregnated mesoporous powder. The compositions comprise about 0.3 to about 2 weight percent of lubricating oil, based on the total weight of the composition and are able to maintain a low coefficient of friction and minimal wear over an extended period of use.
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PCT International Search Report and Written Opinion for PCT International Application No. PCT/US2005/042198 dated Apr. 4, 2006.
Campanell Frank C
E.I. du Pont de Nemours and Company
Griffin Walter D
Smith Loretta
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