Alan L Brotherton

US Patent:

44747055, Oct 2, 1984

Filed:

Aug 30, 1982

Appl. No.:

6/413209

Inventors:

Hughie M. Clay - Independence KS
Michael Frozzitta - Coffeyville KS
Alan L. Brotherton - Coffeyville KS

Assignee:

The Sherwin-Williams Company - Cleveland OH

International Classification:

C07F 506

US Classification:

260448C

Abstract:

This invention is directed to a process for the production of organophilic clays and more particularly to a dry process for the production of organophilic clays useful for thickening various fluids including mineral oils, drilling fluids, paints, and lubricants such as mineral oils. The process comprises thoroughly mixing at least one organic ammonium salt with specific amounts of substantially water-free clays and vigorously blending the organic ammonium salt and the dry clay at temperatures at least above the melting point of the organic ammonium salt to drive-off any liquids resulting from the dry reaction.

US Patent:

44747063, Oct 2, 1984

Filed:

Jul 5, 1983

Appl. No.:

6/510720

Inventors:

Hughie M. Clay - Independence KS
Michael Frozzitta - Fords NJ
Alan L. Brotherton - Coffeyville KS

Assignee:

The Sherwin-Williams Company - Cleveland OH

International Classification:

C07F 506

US Classification:

260448C

Abstract:

Disclosed is a dry process for the production of an organophilic clay for use in the thickening of fluids such as oil base drilling muds, paints, lubricants and the like. The process comprises adding a mixture of melted organic ammonium salts to a dry clay in a blending apparatus and vigorously blending the materials to react by ion exchange to form the organophilic ammonium salts of the clay.