Filings by year

C04B 2235/425: granted patents and published applications per publication year
YearGranted patentsPublished applications
197810
197900
198010
198100
198200
198320
198400
198500
198600
198700
198800
198900
199020
199150
199240
199310
199440
199500
199630
199740
199820
199980
200060
200141
200289
2003615
20041318
20051114
20061216
2007514
2008619
2009423
20101123
20111529
20121930
20131227
20141629
20153340
20162624
20172847
20183436
20192326
20201631
20212943
20221530
20232527
20241928
20252324
20262023

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

Recent patents

Most cited

By later US patents