Reaction products of epoxy resins with at least equivalent amounts of amines

Reaction products of epoxy resins with at least equivalent amounts of amines · 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 codeC08G18/643
Official title{Reaction products of epoxy resins with at least equivalent amounts of amines}
Display labelReaction products of epoxy resins with at least equivalent amounts of amines
Total patents42

Filing trend

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

Filing activity over the last five years is growing.

Patents filed per year
YearPatents
20159
20166
20174
20182
20196
20203
20212
20223
20233
20241
20253

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 C08G18/643?
CPC C08G18/643 is the Cooperative Patent Classification code for “Reaction products of epoxy resins with at least equivalent amounts of amines.”
How many patents are filed under CPC C08G18/643 (Reaction products of epoxy resins with at least equivalent amounts of amines)?
Our database includes 42 publications tagged with this CPC code.
Is patent activity under CPC C08G18/643 growing?
Publication counts under this code: 1 in 2024 vs 3 in 2025 (latest complete years).