Aminalization of cellulose; introducing aminogroups into cellulose

Aminalization of cellulose; introducing aminogroups into cellulose · Cooperative Patent Classification (CPC)

Textile and paper production, treatment, and products.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
MetricValue
CPC codeD06P5/225
Official title{Aminalization of cellulose; introducing aminogroups into cellulose}
Display labelAminalization of cellulose; introducing aminogroups into cellulose
Total patents58

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
20162
20173
201912
20207
20216
20228
20238
20245
20254
20261

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 D06P5/225?
CPC D06P5/225 is the Cooperative Patent Classification code for “Aminalization of cellulose; introducing aminogroups into cellulose.”
How many patents are filed under CPC D06P5/225 (Aminalization of cellulose; introducing aminogroups into cellulose)?
Our database includes 58 publications tagged with this CPC code.
Is patent activity under CPC D06P5/225 growing?
Publication counts under this code: 5 in 2024 vs 4 in 2025 (latest complete years).