Filings by year

C11D 3/32: granted patents and published applications per publication year
YearGranted patentsPublished applications
197680
197730
197840
197960
198010
198160
198200
198320
198430
198530
198630
198770
198870
198940
199000
199130
199260
199350
199450
199590
1996120
199770
1998160
1999200
2000190
200141
20021916
20031320
20041016
20051120
20061021
2007721
2008910
20091213
20101129
20111420
20122224
20132422
20141727
20151527
20162737
20171733
20182129
20192028
20202830
20211526
20222421
20231417
20242228
20251222
20261014

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

Subgroups

Granted patents

Recent patents

Most cited

By later US patents