Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Chemistry
Class Information
Number: 502/82
Name: Catalyst, solid sorbent, or support therefor: product or process of making > Zeolite or clay, including gallium analogs > Clay > Acid treating > Plural acid treatment
Description: Process in which the clay is treated with a second acid or product of such process.










Patents under this class:

Patent Number Title Of Patent Date Issued
7579299 Semi-synthetic bleaching earth Aug. 25, 2009
6660172 Precoat filtration media and methods of making and using Dec. 9, 2003
6316647 Cation-exchanged clay mineral, packing material for chromatography using the same and method of producing the same Nov. 13, 2001
5958818 Alkaline phosphate-activated clay/zeolite catalysts Sep. 28, 1999
5955049 Mesopore material and method for producing the same Sep. 21, 1999
5639492 Method and composition for achieving animal weight gain with mycotoxin-contaminated animal food Jun. 17, 1997
5330946 Process of acid binding fine smectite clay particles into granules Jul. 19, 1994
5260456 Process for producing itaconic anhydride Nov. 9, 1993
4753908 Method for production of microporous separating material from smectite type mineral Jun. 28, 1988
4565794 Production of silica gel and an adsorbent, absorbent product from sericitic clay Jan. 21, 1986
4529416 Gas separation kinetics in commercial pellets Jul. 16, 1985
4329257 Method of producing a catalyst from clay minerals for the hydration of olefins May. 11, 1982











 
 
  Recently Added Patents
Method and system for distributing ringback files
Uplink synchronization management in wireless networks
Polyurethane resin, toner for developing electrostatic charge image, electrostatic charge image developer, toner cartridge, process cartridge, image forming apparatus, and image forming method
JTAG multiplexer with clock/mode input, mode/clock input, and clock output
High performance strained source-drain structure and method of fabricating the same
Micromechanical component, device for beam deflection of monochromatic light, and spectrometer
System and method for removing oxide from a sensor clip assembly
  Randomly Featured Patents
Laser EXAFS
Recording ink having pigment particles
Reed for textile machines
Method and apparatus for changing screen image data based on cursor movement relative to a preset mark on the screen
Beetle figure
Damper valve
Methods and apparatus for exchanging messages between systems having partially incompatible communication
Set of bristles for a toothbrush
Pelletized animal bedding and process and tool for sifting manure therefrom
Vaginal shield for preventing sexually transmitted diseases