Filings by year

C04B 2235/663: granted patents and published applications per publication year
YearGranted patentsPublished applications
198510
198610
198700
198800
198900
199020
199110
199230
199320
199420
199510
199610
199710
199830
199940
200040
200102
200223
200378
200468
2005410
2006829
2007620
20081118
20091725
20101416
20111719
20121914
20131019
20141316
20151819
20161910
20171016
20181213
2019728
20201631
20212226
20222537
20233226
20242524
20252520
20261410

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

Recent patents

Most cited

By later US patents