Resources Contact Us Home
Browse by Category: Main > Chemistry
Class Information
Number: 502/421
Name: Catalyst, solid sorbent, or support therefor: product or process of making > Solid sorbent > Free carbon containing > Process utilizing solid or liquid source carbonizable material, or product thereof > Including recycling product or intermediate thereof to prior stage of process
Description: Processes wherein at least a portion of a product is used in an earlier stage of the process.

Patents under this class:

Patent Number Title Of Patent Date Issued
8076258 Method and apparatus for making recyclable catalysts Dec. 13, 2011
7981835 System and method for coproduction of activated carbon and steam/electricity Jul. 19, 2011
7879136 Magnetic activated carbon and the removal of contaminants from fluid streams Feb. 1, 2011
7288503 Apparatus and method for producing activated carbon Oct. 30, 2007
6916891 Attrition resistant inorganic microspheroidal particles Jul. 12, 2005
6200364 Process for eluting precious metals from activated carbon Mar. 13, 2001
4475986 Stable activated carbon process using a moving grate stoker furnace Oct. 9, 1984
4242225 Method and apparatus for producing active coke Dec. 30, 1980
4139416 Carbonaceous material with high characteristics of surface area and activity and process for producing the same Feb. 13, 1979
4122036 Method of pyrolyzing sewage sludge to produce activated carbon Oct. 24, 1978

  Recently Added Patents
Polar nematic compounds
System and method for locating, tracking, and/or monitoring the status of personnel and/or assets both indoors and outdoors
Methods and apparatuses for anti-shading correction with extended color correlated temperature dependency
Combining seismic data from sensors to attenuate noise
Dynamic learning method and adaptive normal behavior profile (NBP) architecture for providing fast protection of enterprise applications
Methods and systems for distributing broadcast messages on various networks
Electrode tab for secondary battery and secondary battery using the same
  Randomly Featured Patents
Method to prevent excessive current drain of telematics unit network access device
Game call
Fuel additive compositions containing an aliphatic amine, a polyolefin and a poly(oxyalkylene) monool
Cell switching method and system
Playing card reading device and method
Image color correction apparatus and recording medium having color program recorded thereon
Electric fiddle and pickup
Method for the production of a blood component composition
Compressed gas circuit breaker able to be assembled and disassembled without a significant loss of gas
Vehicle lamp