Filings by year

B01D 24/30: granted patents and published applications per publication year
YearGranted patentsPublished applications
197710
197800
197900
198010
198110
198200
198300
198400
198500
198610
198700
198810
198920
199030
199110
199220
199300
199410
199520
199650
199730
199850
199910
200010
200120
200243
200321
200422
200501
200601
200701
200834
200912
201020
201134
201212
201313
201422
201503
201632
201732
201813
201933
202054
202120
202201

By publication year. Applications have been published since 2001.

Subgroups

Granted patents

Recent patents

Most cited

By later US patents