| Patent Number |
Title Of Patent |
Date Issued |
| 7303600 |
Unexpanded perlite ore polishing composition and methods |
December 4, 2007 |
| An unexpanded perlite ore polishing composition is shown. The composition comprises base material having grains of unexpanded perlite ore of a selected distribution of particle sizes which undergo fracturing of the grains as a function of an abrasive force applied to the base material. |
| 6712974 |
Filterable composite adsorbents |
March 30, 2004 |
| This invention relates to filterable composite adsorbents comprising one or more adsorbent components and one or more filtration components, and methods for preparing and using same. More particularly, this invention pertains to filterable composite adsorbents and filterable composite |
| 6712898 |
Perlite products with controlled particle size distribution |
March 30, 2004 |
| Expanded perlite products having controlled particle size distribution, methods of producing the expanded perlite products, and methods of use thereof are provided. The expanded perlite product has, for example, a low ratio of standard deviation of particle size distribution to median |
| 6524489 |
Advanced composite media |
February 25, 2003 |
| This invention relates to advanced composite filtration media comprising a functional filtration component and a matrix component, and methods for preparing and using same. More particularly, this invention pertains to advanced composite filtration media and advanced composite filtration |
| 6506308 |
Methods for the removal of organic substances from aqueous solutions |
January 14, 2003 |
| Provided are methods for substantially removing organic substances from an aqueous solution, wherein the aqueous solution is contacted with a synthetic hydrated calcium silicate. Components that can be removed from aqueous solution include bacterial, plant, algal and fungal components. |
| 6464770 |
Perlite products with controlled particle size distribution |
October 15, 2002 |
| Expanded perlite products having controlled particle size distribution, methods of producing the expanded perlite products, and methods of use thereof are provided. The expanded perlite product has, for example, a low ratio of standard deviation of particle size distribution to median |
| 6140040 |
Method of mechanically separating microparticles suspended in fluids using particulate media |
October 31, 2000 |
| This invention relates to the selective separation of particles according to particle size. More particularly, this invention pertains to advanced particulate media which are carefully sized so as to permit precise and selective separation of microparticles suspended in fluids according |
| 5908561 |
Purified natural glass product |
June 1, 1999 |
| This invention relates to purified natural glass products having low concentrations of soluble substances. More particularly, this invention relates to purified natural glass products having low slurry electrical conductivities (i.e., less than about 18 .mu.S-cm.sup.-1). Preferred em |
| 5776353 |
Advanced composite filtration media |
July 7, 1998 |
| This invention relates to advanced composite filtration media comprising (i) a functional filtration component and (ii) a matrix component, wherein said matrix component has a softening point temperature less than the softening point temperature of said functional filtration component, a |
| 5656568 |
Highly purified biogenic silica product |
August 12, 1997 |
| This invention relates to highly purified biogenic silica product obtained from diatomite and methods for preparing same. More particularly, this invention pertains to highly purified non-calcined, calcined, and flux-calcined diatomite products which bear the distinguishing porous and |
