Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen {(C08G18/2805 takes precedence)}

Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen {(C08G18/2805 takes precedence)} · 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 codeC08G18/65
Official titleLow-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen {(C08G18/2805 takes precedence)}
Display labelLow-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen {(C08G18/2805 takes precedence)}
Total patents110

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
20157
20164
201712
201812
201916
20208
202116
202210
20239
20246
20257
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 C08G18/65?
CPC C08G18/65 is the Cooperative Patent Classification code for “Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen {(C08G18/2805 takes precedence)}.”
How many patents are filed under CPC C08G18/65 (Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen {(C08G18/2805 takes precedence)})?
Our database includes 110 publications tagged with this CPC code.
Is patent activity under CPC C08G18/65 growing?
Publication counts under this code: 6 in 2024 vs 7 in 2025 (latest complete years).