World Minerals, Inc. Patent applications |
Patent application number | Title | Published |
20120178875 | PRODUCT COMPRISING ULTRAFINE NATURAL GLASS - A product including ultrafine natural glass, methods of producing the ultrafine natural glass, and methods of use thereof are provided. The product may have, for example, a small top cut (d | 07-12-2012 |
20110195168 | DIATOMACEOUS EARTH PRODUCTS, PROCESSES FOR PREPARING THEM, AND METHODS OF THEIR USE - Diatomaceous earth products are prepared by at least agglomerating at least one natural diatomaceous earth material with at least one aluminate material, and subjecting agglomerated diatomaceous earth material to at least one heat treatment. In one embodiment, the diatomaceous earth product has a permeability ranging from about 0.2 darcy to about 3.0 darcy. In another embodiment, the diatomaceous earth product has a cristobalite content of less than about 1% by weight. In a further embodiment, the diatomaceous earth product has a quartz content of less than about 0.5% by weight. Also disclosed are diatomaceous earth products, uses for diatomaceous earth products, and filter aid compositions comprising diatomaceous earth products. | 08-11-2011 |
20110174732 | DIATOMACEOUS EARTH PRODUCTS CONTAINING REDUCED SOLUBLE METAL LEVELS, PROCESSES FOR REDUCING SOLUBLE METAL LEVELS IN DIATOMACEOUS EARTH PRODUCTS, AND METHODS OF USING THE SAME - Disclosed herein are diatomaceous earth products containing reduced soluble metal levels, processes for reducing soluble metal levels in diatomaceous earth products, and methods of using the same. In particular, diatomaceous earth products are disclosed that have been treated with at least one surface metal blocking agent, and then subjected to at least one thermal treatment process to reduce the level of soluble metals associated therewith. Such diatomaceous earth products containing reduced soluble metal levels may be useful for various applications including, but not limited to, as filter aid materials. | 07-21-2011 |
20110039998 | ORGANO-NEUTRALIZED DIATOMACEOUS EARTH, METHODS OF PREPARATION, AND USES THEREOF - This application discusses organo-neutralized diatomaceous earth, comprising at least one diatomaceous earth subjected to at least one treatment with at least one basic organic compound. Also disclosed herein is a composition, such as a silicone rubber composition or a paper composition, comprising organo-neutralized diatomaceous earth. Also disclosed herein are methods of making organo-neutralized diatomaceous earth and methods of making silicone rubber formulations comprising a organo-neutralized diatomaceous earth filler. | 02-17-2011 |
20100260866 | MODIFIED MINERAL-BASED FILLERS - Modified mineral-based fillers with enhanced retention of at least one active ingredient and/or enhanced antimicrobial capabilities are described. The materials comprise at least one mineral-based filler subjected to at least one modification process, which may be either a cationic modification process, a surface adsorption process, a surface retention process, or a combination thereof, with at least one active ingredient, followed by at least one thermal treatment. The at least one active ingredient may be a metal substance or other biocide, fungicide, mildewcide, antibiotic, insecticide, preservative, or antimicrobial agent. Methods for enhancing the antimicrobial activity of products in applications such as polymers, clothing, surgical equipment, coatings, and paints are also described. | 10-14-2010 |
20100248953 | FILTER AIDS MADE FROM LOW PERMEABILITY DIATOMITES - Disclosed herein are diatomite filter aid products with enhanced permeabilities and flow characteristics, and methods for enhancing the permeabilities and flow characteristics of very fine grain, low permeability diatomite ore by, in one embodiment, pre-agglomerating the ore in the presence of less than 10% water and then subjecting the pre-agglomerated ore to at least one calcination process. At least one flux may be used in the at least one calcination process. Also disclosed herein is a method of processing diatomite ore suitable for samples with high wet densities or large amounts of fine particulate matter. Also disclosed herein are methods of producing commercially applicable filter aid products from Hungarian diatomite. | 09-30-2010 |
20100239679 | ENHANCED RETENTION CAPABILITIES THROUGH METHODS COMPRISING SURFACE TREATMENT OF FUNCTIONAL PARTICULATE CARRIER MATERIALS, AND FUNCTIONAL PARTICULATE CARRIER MATERIALS MADE THEREFROM - Functional particulate carrier materials with enhanced retention capabilities are described. The materials comprise at least one functional particulate carrier material subjected to at least one surface treatment, and at least one active ingredient. The at least one surface treatment may be at least one physical surface treatment and/or at least one chemical surface treatment with at least one surface treating agent. The at least one active ingredient may be a biocide, a fungicide, a mildewcide, an antibiotic, an insecticide, a preservative, or an antimicrobial agent. Methods for enhancing the performance of plastics and liquid-based media, for example, coatings and paints, are also described by increasing the retention factors of active ingredients in those plastics and media through surface treatment of functional particulate carrier materials. | 09-23-2010 |
20100167921 | Process for Roasting Diatomaceous Earth Ore to Reduce Organic Content - Disclosed herein is a method for processing diatomaceous earth ore comprising roasting a diatomite feed at a temperature ranging from about 850 to about 1600° F. Also disclosed herein is a method for processing a diatomite feed comprising at least one impurity to produce a diatomite product having at least one of reduced loss-on-ignition, reduced impurity content, reduced beer soluble iron content, and improved brightness as compared to the feed composition. Further disclosed herein is a system for processing a diatomite feed comprising a first heating zone for roasting the diatomite at a temperature ranging from about 850 to about 1600° F., a second zone for calcining the diatomite at a temperature of at least about 1600° F., and a counter-current flow of gas from the second heating zone to the first heating zone. | 07-01-2010 |
20100126388 | CALCINED DIATOMITE PRODUCTS WITH LOW CRISTOBALITE CONTENT - Disclosed herein is a flux calcined diatomite composition having a cristobalite content of less than about 5% by weight relative to the total weight of the flux calcined composition and a whiteness of greater than about 90. Also disclosed herein is a process for producing flux calcined diatomite compositions comprising calcining a feed composition comprising diatomite having an iron content of at least about 0.5% by weight relative to the total weight of the feed composition in the presence of at least one flux comprising at least one alkali metal. | 05-27-2010 |
20100107931 | MINERAL ORE EXPANSION USING MICROWAVE ENERGY - Methods and systems for expanding mineral ore, including perlite, are disclosed. Microwave energy is generated and applied to at least one gas. The energized gas then contacts particles of at least one mineral ore, wherein the transfer of energy softens the particles and boils the water contained therein, thereby at least partially expanding the particles. | 05-06-2010 |
20100105824 | Polymer Compositions - A polymer composition comprising greater than about 30% by weight of a perlite based on the total weight of the polymer composition, wherein said perlite has an oil absorption less than about 100% | 04-29-2010 |
20100104873 | METAL COMPOUND COATED PARTICULATE MINERAL MATERIALS, METHODS OF MAKING THEM, AND USES THEREOF - Particulate mineral materials comprising at least one coating comprising at least one metal compound are disclosed. In one embodiment, the at least one metal compound is a metal silicate compound. In another embodiment, the at least one metal compound is a metal oxide compound. In one embodiment, the particulate mineral material is perlite. In another embodiment, the particulate mineral material is perlite microspheres. In a further embodiment, the particulate mineral material is diatomite. Methods of making particulate mineral materials coated with at least one metal compound are also disclosed. In one embodiment, the at least one metal compound may be injected into a perlite expander to form a metal compound coated perlite material. In another embodiment, the at least one metal compound may be applied through a low temperature coating process to the at least one particulate mineral material. Uses for metal compound coated particulate mineral materials are also disclosed. | 04-29-2010 |
20090280381 | Diatomaceous Earth Proton Conductor - Diatomaceous earth (“DE”) proton conductors are disclosed for use as electrolytes in electrochemical applications, such as fuel cells, gas sensors, humidity sensors, and pH sensors. The DE proton conductors may be formed by, for example, cutting from diatomaceous crude, pressing diatomaceous powder into pellets, or any other suitable shape-forming methods. In electrochemical applications, the DE proton conductor may be used to separate a hydrogen anode from an oxygen cathode and may conduct protons generated at the hydrogen anode to the oxygen cathode. | 11-12-2009 |
20090264287 | Processes for Reducing Beer Soluble Iron in Diatomaceous Earth Products, Diatomaceous Earth Products and Compositions Thereof, and Methods of Use - Processes for preparing diatomaceous earth filter aids having a reduced beer soluble iron content, diatomaceous earth filter aids and compositions comprising the same, and methods for using the improved diatomaceous earth filter aids are disclosed herein. Further disclosed herein are processes for reducing beer soluble iron content by saturated steam treatment of a diatomaceous earth material in an enclosed vessel. | 10-22-2009 |
20090261041 | Composition for Filtering and Removing Particles and/or Constituents from a Fluid - Filter-aid materials are disclosed herein, and processes, systems, and methods using such filter-aid materials for filtering and removing particles and/or constituents from a fluid, wherein the filter-aid material comprises at least one filterable composite adsorbent comprising at least one adsorbent component formed in-situ on at least one filtration component. Further disclosed herein are filter-aid materials and processes, systems, and methods using such filter-aid materials for filtering and removing particles and/or constituents from a fluid, wherein the filter-aid material comprises at least one filterable composite adsorbent comprising at least one adsorbent component formed in-situ on at least one filtration component, and wherein the filter-aid material further comprises an at least one additional filtration component mixed with the at least one filterable composite adsorbent. | 10-22-2009 |
20090220713 | High Strength Foam Glass - Disclosed herein are foam glasses and compositions comprising such foam glasses, which can be used, for example, in structural applications. The foam glass can have one or more properties, such as a density ranging from about 20 Ib/ft | 09-03-2009 |