C - Chemistry – Metallurgy – 10 – M
Patent
C - Chemistry, Metallurgy
10
M
253/38
C10M 129/26 (2006.01) B01J 19/24 (2006.01) C12M 1/40 (2006.01) C12N 11/14 (2006.01) G01N 33/543 (2006.01)
Patent
CA 1265504
ABSTRACT OF THE DISCLOSURE Crystalline aluminates of the formula: I. Li(R)??2Al(OH)3?nH2O, or II. Mm(R)?(A)??2Al(OH)3?nH2O where nH2O is zero or any required waters of hydration; R is a monocarboxylic acid or dicarboxylic acid of C6-C22, including those which are OH- substituted; r is greater than zero and represents the number of R ions in the molecule; v is the valence of R, being monovalent or divalent; M is divalent Zn or Ca cations; A represents inorganic anions of valence 1-3, represented by w; y is equal to or greater than zero and represents the number of A anions; wherein, in formula I, vr represents an amount of R anions to substantially satisfy the valence requirements of Li; 32,399A-F wherein, in formula II, r>y and (vr + wy) represents an amount of combined anions, R and A, to substantially satisfy the valence requirements of M; with m representing the number of divalent M cations and having a numerical value in the range of about 1 to about 4, are found to improve the coefficient of friction and antiwear properties of lubication fluids subjected to shearing, rubbing, or grinding forces at elevated pressure. 32,399A-F
483587
Ridout & Maybee Llp
The Dow Chemical Company
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