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| Number | Title | Issue Date |
| 5358120 | Selective separation of finely-divided minerals by addition of selective collector reagent and centrifugation Separation of impurities from kaolin clay is accomplished by conditioning a dispersed aqueous pulp of the clay with an anionic flotation collector, followed by centrifugation or the like to cause the impurities to settle from a dispersed pulp of the clay ... | 10/25/1994 |
| 5300469 | Composition for passivating vanadium in catalytic cracking and preparation thereof Disclosed is a vanadium trap for use in FCC which comprises a major amount of calcined kaolin clay, free magnesium oxide and an in situ formed magnesium silicate cement binder. Also disclosed are procedures for the preparation of the trap by forming a slu... | 04/05/1994 |
| 5282898 | Use of surfactants in processing abrasive pigments The present invention provides a simple inexpensive means to decrease the abrasivity of abrasive pigments such as calcined kaolin and titania. In accordance with this invention, a trace of a nonionic and/or anionic surfactant is incorporated with abrasion... | 02/01/1994 |
| 5011591 | Large-pored crystalline titanium molecular sieve zeolites New crystalline titanium molecular sieve zeolite compositions having a pore size of about 8 Angstrom Units are disclosed together with methods for preparing the same and organic compound conversions.... | 04/30/1991 |
| 4904281 | Method and apparatus for separation of solids from a gaseous stream A method for separating particulate solids from a gaseous stream laden with the solids includes discharging the gaseous stream with a swirling movement downwardly into a containment vessel, and impinging the stream on a bed of the separated solids maintai... | 02/27/1990 |
| 4601997 | Porous mullite Clay, preferably kaolin, is calcined through its exotherm, but without substantial mullite formation (e.g., 1 hour at 1000° C.). The calcined clay is leached with an alkaline aqueous solution to remove (i.e., leach) silica. The severity of leaching, i.e.... | 07/22/1986 |
