Filings by year

C09K 19/3847: granted patents and published applications per publication year
YearGranted patentsPublished applications
198910
199000
199110
199200
199300
199400
199500
199620
199710
199810
199900
200000
200100
200200
200310
200400
200501
200600
200700
200800
200900
201000
201100
201201
201300
201411
201501

By publication year. Applications have been published since 2001.

Recent patents

Most cited

By later US patents