bound to oxygen and to carbon only

bound to oxygen and to carbon only · 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 codeC08K5/53
Official titlebound to oxygen and to carbon only
Display labelbound to oxygen and to carbon only
Total patents158

Filing trend

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

Filing activity over the last five years is declining.

Patents filed per year
YearPatents
201523
20167
201715
201812
201912
202020
202115
202216
202315
202412
20258
20263

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 C08K5/53?
CPC C08K5/53 is the Cooperative Patent Classification code for “bound to oxygen and to carbon only.”
How many patents are filed under CPC C08K5/53 (bound to oxygen and to carbon only)?
Our database includes 158 publications tagged with this CPC code.
Is patent activity under CPC C08K5/53 growing?
Publication counts under this code: 12 in 2024 vs 8 in 2025 (latest complete years).