containing a naphthalene ring

containing a naphthalene ring · 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 codeC08G63/189
Official titlecontaining a naphthalene ring
Display labelcontaining a naphthalene ring
Total patents152

Filing trend

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

Filing activity over the last five years is stable.

Patents filed per year
YearPatents
20157
20165
201712
201814
20198
20209
202119
202218
202317
202423
202517
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 C08G63/189?
CPC C08G63/189 is the Cooperative Patent Classification code for “containing a naphthalene ring.”
How many patents are filed under CPC C08G63/189 (containing a naphthalene ring)?
Our database includes 152 publications tagged with this CPC code.
Is patent activity under CPC C08G63/189 growing?
Publication counts under this code: 23 in 2024 vs 17 in 2025 (latest complete years).