C11B 9/0023

Containing nitrogen as the only heteroatom

Official title: {containing nitrogen as the only heteroatom}

C11B9/0023 (Containing nitrogen as the only heteroatom) appears on 53 US grants and 72 published applications in this corpus.

Search patents in C11B
Granted patents
53
Published applications
72
Assignees
25
Inventors
136
Latest grant
27 Jan 2026

Filings by year

C11B 9/0023: granted patents and published applications per publication year
YearGranted patentsPublished applications
197810
197910
198010
198110
198200
198300
198400
198500
198620
198700
198800
198900
199000
199110
199210
199300
199410
199500
199600
199700
199800
199910
200000
200100
200201
200302
200414
200520
200620
200711
200800
200901
201023
201106
201201
201334
201449
201535
201637
201747
201834
201923
202053
202112
202212
202322
202413
202522
202610

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