Filings by year

C04B 2235/446: granted patents and published applications per publication year
YearGranted patentsPublished applications
199910
200010
200100
200231
200319
200426
200563
200604
200743
200834
200935
201024
201139
2012911
201358
201475
201549
2016413
201772
201838
2019108
202037
20211111
202246
202374
2024620
2025187
2026412

By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.

Recent patents

Most cited

By later US patents