by treating with solids; Regenerating spent purifying masses {(separation by adsorption B01D53/02; separation by chemical reaction B01D53/34; refining of hydrocarbon oils with acids C10G17/02, C10G27/02, C10G29/12)}

by treating with solids; Regenerating spent purifying masses {(separation by adsorption B01D53/02; separation by chemical reaction B01D53/34; refining of hydrocarbon oils with acids C10G17/02, C10G27/02, C10G29/12)} · Cooperative Patent Classification (CPC)

Chemical and metallurgical processes, compounds, and materials.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
MetricValue
CPC codeC10K1/20
Official titleby treating with solids; Regenerating spent purifying masses {(separation by adsorption B01D53/02; separation by chemical reaction B01D53/34; refining of hydrocarbon oils with acids C10G17/02, C10G27/02, C10G29/12)}
Display labelby treating with solids; Regenerating spent purifying masses {(separation by adsorption B01D53/02; separation by chemical reaction B01D53/34; refining of hydrocarbon oils with acids C10G17/02, C10G27/02, C10G29/12)}
Total patents35

Filing trend

Year-over-year patent counts classified under this CPC code.

Filing activity over the last five years is rapidly declining.

Patents filed per year
YearPatents
20156
20164
20172
20182
20194
20204
20215
20221
20233
20242
20252

Representative patents

Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.

Frequently asked questions

Answers are generated from the same data shown on this page.

What is CPC C10K1/20?
CPC C10K1/20 is the Cooperative Patent Classification code for “by treating with solids; Regenerating spent purifying masses {(separation by adsorption B01D53/02; separation by chemical reaction B01D53/34; refining of hydrocarbon oils with acids C10G17/02, C10G27/02, C10G29/12)}.”
How many patents are filed under CPC C10K1/20 (by treating with solids; Regenerating spent purifying masses {(separation by adsorption B01D53/02; separation by chemical reaction B01D53/34; refining of hydrocarbon oils with acids C10G17/02, C10G27/02, C10G29/12)})?
Our database includes 35 publications tagged with this CPC code.
Is patent activity under CPC C10K1/20 growing?
Publication counts under this code: 2 in 2024 vs 2 in 2025 (latest complete years).