having heteroatoms other than oxygen

having heteroatoms other than oxygen · 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 codeC08G18/50
Official titlehaving heteroatoms other than oxygen
Display labelhaving heteroatoms other than oxygen
Total patents53

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
20152
20163
20173
201814
20198
20204
20217
20223
20233
20242
20254

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 C08G18/50?
CPC C08G18/50 is the Cooperative Patent Classification code for “having heteroatoms other than oxygen.”
How many patents are filed under CPC C08G18/50 (having heteroatoms other than oxygen)?
Our database includes 53 publications tagged with this CPC code.
Is patent activity under CPC C08G18/50 growing?
Publication counts under this code: 2 in 2024 vs 4 in 2025 (latest complete years).