C - Chemistry – Metallurgy – 09 – K
Patent
C - Chemistry, Metallurgy
09
K
31/28, 31/59
C09K 8/54 (2006.01) C09D 5/08 (2006.01) C09K 8/04 (2006.01) C10M 173/00 (2006.01) E21B 21/06 (2006.01) E21B 41/02 (2006.01)
Patent
CA 1261608
Title: WATER-BASED METAL-CONTAINING ORGANIC PHOSPHATE COMPOSITIONS Abstract of the Disclosure Water-based metal-containing organic phosphate compositions which are useful as corrosion-inhibiting coating compositions, metal working lubricants and drilling fluids for well-drilling operations are disclosed. These compositions comprise: (A) water or an aqueous drilling mud: (B) an overbased non-Newtonian colloidal disperse system comprising (B)(1) solid metal-containing colloidal particles predispersed in (B)(2) a dispersing medium of at least one inert organic liquid and (B)(3) at least one member selected from the class consisting of organic compounds which are substantially soluble in said dispersing medium, the molecules of said organic compound being characterized by polar substituents and hydrophobic portions; and (C) a metal-containing organic phosphate complex derived from the reaction of (C)(1) at least one polyvalent metal salt of an acid phosphate ester, said acid phosphate ester being derived from the reaction of phosphorus pentoxide or phosphoric acid with a mixture of at least one monohydric alcohol and at least one polyhydric alcohol, with (C)(2) at least one organic epoxide. These compositions preferably include an effective amount of (D) an alkali or an alkaline earth metal salt of an organic acid, (E) a carboxylic acid and (F) an N-(hydroxyl-substituted hydrocarbyl) amine to enhance the dispersion of components (B) and (C) with said water or drilling mud (A).
510798
Bretz John
Ridout & Maybee Llp
The Lubrizol Corporation
LandOfFree
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