Filings by year

C09B 68/447: granted patents and published applications per publication year
YearGranted patentsPublished applications
200102
200231
200301
200400
200501
200633
200700
200801
200900
201020
201110
201201
201301
201400
201500
201611
201700
201800
201911
202000
202100
202210

By publication year.

Subgroups

Granted patents