Resources Contact Us Home
Browse by Category: Main > Chemistry
Class Information
Number: 502/519
Name: Catalyst, solid sorbent, or support therefor: product or process of making > Reagent grade (e.g., ultra pure)
Description: Collection of art disclosing compositions of this class (generally sorbents) which are free of any components which could contaminate or interfere in subsequent chemical reactions or analysis.

Patents under this class:

Patent Number Title Of Patent Date Issued
6783576 Gas purifier system for removing trace impurities from a reactive fluid Aug. 31, 2004
6783577 Gas purifier system containing an ultra-low emission carbon material Aug. 31, 2004
6710012 Method for producing an ultra-low emission carbon material Mar. 23, 2004
6547861 Method and materials for purifying reactive gases using preconditioned ultra-low emission carbon material Apr. 15, 2003
6425946 Method and apparatus for removing trace impurities from a gas using superactivated carbon material Jul. 30, 2002
4248736 Fibrous adsorbent for hemoperfusion Feb. 3, 1981
4134857 Use of tannic or gallic acid to produce low beverage soluble iron content filter aid Jan. 16, 1979
3996162 Analytical sorbent and method of use Dec. 7, 1976

  Recently Added Patents
Lamp body with integrally molded heat sink
Generation, display, and manipulation of measurements in computer graphical designs
Generation of interpolated samples for decision based decoding
Power device and method of packaging same
Method for the hydrolysis of substituted formylamines into substituted amines
Soybean variety XB51J12
Method of treating lung cancer
  Randomly Featured Patents
Wafer box with radially pivoting latch elements
Pilot operated water conservation valve and actuator
Buffer composition and method for the electrophoretic separation of proteins
Article-dispensing assembly for a vending machine
Flame-resistant thermostable polycarbonate ABS moulding materials
Bingo game
Heavy fuel oil nozzle
Imaging system with moveable registration pins
Rapid-crystallizing polyphenylene sulphide compositions