Class 502/87 - Support per se

Subclass of Class 502 - Catalyst, solid sorbent, or support therefor: product or process of making
Definition: Composition in which a zeolite has no catalytic or sorbent
No. of patents: 81
Last issue date: 07/22/2008

Number	Title	Issue Date
4142994	Shaped catalyst support A mechanically strong, thermally stable porous siliceous particle having a high pore volume and surface area with a major portion of the pore volume in pores of radii more than 20 Angstroms and the process of producing the particles by shaping a clay, aci...	03/06/1979

PatentStorm