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Southern Clay Products, Inc. Patents
Assignee:
Southern Clay Products, Inc.
Address:
Gonzales, TX
No. of patents:
25
Patents:












Patent Number Title Of Patent Date Issued
7868122 Tint-viscosity stabilization polymeric thickeners January 11, 2011
Compositions and methods of making urethane based nonionic associative thickeners are described herein. Uses of the nonionic associative thickeners are also described.
7354967 Method for minimizing filler agglomeration April 8, 2008
A method for minimizing nanofiller agglomeration within a polymeric material includes the step of introducing the nanofiller at predetermined parameters into an extruder having the polymeric material therein. The nanofiller introduction is downstream of the area of the extruder wherein
6890502 Synthetic clay compositions and methods for making and using May 10, 2005
Selected smectites may be synthesized from a wide variety of components. Morphology, purity, size, and/or shape of the selected smectite may be controlled by mixing the clay smectite formatives, and selectively controlling the pH during mixing. The selected smectites may be used in a
6849680 Preparation of polymer nanocomposites by dispersion destabilization February 1, 2005
Nanocomposites may be produced by mixing dispersions of polymers and dispersions of clay minerals. After mixing, the dispersions may be destabilized with the addition of appropriate compounds. The flocculated solid material exhibits characteristics of a nanocomposite, such as exfolia
6787592 Organoclay compositions prepared from ester quats and composites based on the compositions September 7, 2004
Organoclays based on specific types of ester quats are found to be remarkably effective for use in preparing nanocomposites. These organoclays comprise the reaction product of a smectite clay and a quaternary ammonium compound (or "quat") which comprises two esterified radicals herei
6730719 Process for treating smectite clays to facilitate exfoliation May 4, 2004
In the method for preparing a nanocomposite by intercalating a smectite clay with a quaternary ammonium ion, and exfoliating the intercalated clay into a polymer matrix; an improvement is disclosed which augments exfoliation. The smectite clay is edge treated with negatively charged
6635108 Organoclay compositions for gelling unsaturated polyester resin systems October 21, 2003
An organoclay composition for gelling unsaturated polyester resin/monomer systems comprising a mineral clay mixture which has been treated with an alkyl quaternary ammonium compound. The mineral clay mixture comprises two components: mineral clay (a) comprising greater than 50 wt. %, bas
6534570 Organoclay compositions for gelling unsaturated polyester resin systems March 18, 2003
An organoclay composition for gelling unsaturated polyester resin/monomer systems comprising a mineral clay mixture which has been treated with an alkyl quaternary ammonium compound. The mineral clay mixture comprises two components; mineral clay (a) comprising greater than 50 wt. %, bas
6271298 Process for treating smectite clays to facilitate exfoliation August 7, 2001
In the method for preparing a nanocomposite by intercalating a smectite clay with a quaternary ammonium ion, and exfoliating the intercalated clay into a polymer matrix; an improvement is disclosed which augments exfoliation. The smectite clay is edge treated with negatively charged
5989331 TiO.sub.2 slurry stabilization November 23, 1999
A stable aqueous pigment slurry and a process for preparing same. The slurry contains about 50 to 90 wt. %, based on the weight of the slurry, of a pigment such as titanium dioxide and about 0.2 to 3.0 wt. %, based on the weight of the slurry, of a smectite clay such as bentonite, hector
5837654 High temperature environmentally benign drilling fluid, and viscosifying additives for use there November 17, 1998
An oil base environmentally benign drilling fluid composition having a stable high viscosity and high gel strength at use temperatures of up to at least 450.degree. F. The drilling fluid includes a low toxicity biodegradable oil vehicle, and as a viscosifying agent an organoclay which
5785749 Method for producing rheological additives and coating compositions incorporating same July 28, 1998
An improved process for preparing an aqueous clay slurry having superior gellation properties. The process involves the bead milling of the clay in an aqueous medium for a period of about 0.5 to 20 minutes at an energy input level of about 44 to 146 kilowatt-hours per metric ton of dry c
5780376 Organoclay compositions July 14, 1998
Organoclay compositions which comprise the reaction product of a smectite-type clay having an ion exchange capacity of at least 50 meq. wt. per 100 g. clay (active basis), and mixture of a quaternary ammonium compound and a chain transfer agent which is a thiol, .alpha.-methylketone,
5739087 Organoclay products containing a branched chain alkyl quaternary ammonium ion April 14, 1998
Organoclay compositions which comprise the reaction product of a smectite-type clay having an ion exchange capacity of at least 50 meq. wt. per 100 g. clay (active basis), and a branched chain quaternary ammonium compound are useful self-activating and self-dispersing additives to li
5728764 Formulations including improved organoclay compositions March 17, 1998
Organoclay compositions which comprise the reaction product of a smectite-type clay having an ion exchange capacity of at least 50 meq. wt. per 100 g. clay (active basis), and an alkoxylated quaternary ammonium compound having one or two alkoxylated chains containing 0-10 moles ethyl
5700319 Method for extending pigments December 23, 1997
Unusually high loading levels of smectite minerals are found to provide excellent pigment spacing in aqueous-based coatings, as will enable desired improved hiding, thereby extending the pigment. The level of smectite used in accordance with the invention is sufficiently high that th
5663111 Organoclay compositions September 2, 1997
Organoclay compositions which comprise the reaction product of a smectite-type clay having an ion exchange capacity of at least 50 meq. wt. per 100 g. clay (active basis), and an alkoxylated quaternary ammonium compound having one or two alkoxylated chains containing 0-10 moles ethyl
5391228 Method for preparing high solids bentonite slurries February 21, 1995
A method for preparing a time-stable, low viscosity, pumpable high solids aqueous bentonite slurry which has good application properties upon dilution and use. An aqueous solution of at least first and second salt components is prepared in which there is dispersed at least 8% by weight
5266538 Method for preparing high solids bentonite slurries November 30, 1993
A smectite clay is provided as an elevated solids aqueous slurry e.g. up to 50% solids, which is composed of the smectite clay slurried or dispersed in water containing an effective concentration of a monovalent salt. When such a salt is present in the clay slurry, the clay does not swel
5248641 Process for producing bentonite clays exhibiting enhanced solution viscosity properties September 28, 1993
A process for upgrading a crude bentonite ore such that it can be used advantageously to prepare unusually high aqueous solution viscosities. This sequence comprises initially subjecting the crude ore to a working or shearing stage, followed by a drying step to about a 5% moisture level.
5160454 Process for manufacturing organoclays having enhanced gelling properties November 3, 1992
An improvement is disclosed for use in the process wherein an organophilic clay is manufactured by reacting a smectite-type clay with a higher alkyl-containing quaternary ammonium compound. According to the improvement of the invention, the gelling properties of the resulting organoc
5110501 Process for manufacturing organoclays having enhanced gelling properties May 5, 1992
In the process for preparing an organoclay by reacting a smectite-type clay with a higher alkyl-containing quaternary ammonium compound, the gelling properties of the organoclay are enhanced by reducing the average particle size of the clay prior to the reaction thereof with the quaterna
4664842 Process for manufacturing organoclays having enhanced gelling properties May 12, 1987
An improvement is disclosed for use in the process wherein an organophilic clay is manufactured by reacting a smectite-type clay with a higher alkyl-containing quarternary ammonium compound. According to the improvement of the invention, the gelling properties of the resulting organo
4569923 Process for manufacturing organoclays having enhanced gelling properties February 11, 1986
An improvement is disclosed for use in the process wherein an organophilic clay is manufactured by reacting a sodium smectite-type clay with a higher alkyl-containing quaternary ammonium compound. According to the improvement of the invention, the gelling properties of the resulting
4473675 Thixotropic cross-linkable unsaturated polyester compositions and method of production September 25, 1984
A thixotropic cross-linkable unsaturated polyester composition is provided. The composition comprises an aromatic unsaturated monomer having an amount of an organoclay dispersed therein. The organoclay comprises the reaction product of a smectite type clay and quaternary ammonium compoun

 
 
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