Filings by year

C04B 2235/612: granted patents and published applications per publication year
YearGranted patentsPublished applications
198810
198900
199010
199110
199200
199330
199400
199500
199600
199700
199810
199900
200000
200100
200210
200301
200415
200515
200616
200722
200813
2009314
2010513
201158
201268
2013817
2014914
20151420
20161027
20171734
20181832
20193226
20202326
20211826
20221622
20232028
20242129
20251620
20261419

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

Recent patents

Most cited

By later US patents