{Microporous crystalline materials not having base exchange properties, such as} silica polymorphs, e.g. silicalites

{Microporous crystalline materials not having base exchange properties, such as} silica polymorphs, e.g. silicalites · Cooperative Patent Classification (CPC)

Separating, mixing, shaping, printing, and transporting materials.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
MetricValue
CPC codeB01J29/035
Official title{Microporous crystalline materials not having base exchange properties, such as} silica polymorphs, e.g. silicalites
Display label{Microporous crystalline materials not having base exchange properties, such as} silica polymorphs, e.g. silicalites
Total patents142

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
201516
20167
201714
201814
201918
202023
20219
20229
202315
202413
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 B01J29/035?
CPC B01J29/035 is the Cooperative Patent Classification code for “{Microporous crystalline materials not having base exchange properties, such as} silica polymorphs, e.g. silicalites.”
How many patents are filed under CPC B01J29/035 ({Microporous crystalline materials not having base exchange properties, such as} silica polymorphs, e.g. silicalites)?
Our database includes 142 publications tagged with this CPC code.
Is patent activity under CPC B01J29/035 growing?
Publication counts under this code: 13 in 2024 vs 4 in 2025 (latest complete years).