CM-PATRA / record

(no English title in the source record)

Filed / published / granted
2013-07-25 / 2015-08-21 / n/a
Offices
IN (includes the Indian office)
Applicants
Porvair Plc (GB, foreign-industry); Olson Rudolph A (US, individual)
Minerals
General metallurgy (mineral unspecified)
Stages
Refining
CPC
C22B9/023
Abstract (first 170 chars)
A ceramic foam filter and method of making the filter is described. The filter comprises: a sintered reaction product of: 35- 75 wt% aluminosilicate; 10 -30 wt% colloidal

Why it is labelled this way

Decided by cpc-rules: Metallurgy classes (C22B) without a named mineral.

Source: Google Patents Public Data (BigQuery), CC BY 4.0.