Filings by year

C04B 35/63496: granted patents and published applications per publication year
YearGranted patentsPublished applications
197730
197830
197900
198010
198160
198220
198320
198410
198510
198620
198720
198800
198900
199030
199110
199200
199300
199430
199520
199600
199710
199830
199920
200010
200121
200210
200317
200456
200533
200614
200729
200851
200902
201025
201102
201222
201365
201423
201510
201620
201702
201812
201912
202013
202121
202231
202316
202416
202552
202622

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

Recent patents

Most cited

By later US patents