C09C

Treatment of inorganic materials, other than fibrous fillers, to enhance their pigmenting

Official title: TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES  (treatment of materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone C04B14/00, C04B18/00, C04B20/00); PREPARATION OF CARBON BLACK  {; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS}

C09C (Treatment of inorganic materials, other than fibrous fillers, to enhance their pigmenting) appears on 7,728 US grants and 7,483 published applications in this corpus.

Search patents in C09C
Granted patents
7,728
Published applications
7,483
Assignees
2,728
Inventors
16,323
Latest grant
6 Oct 2026

Filings by year

C09C: granted patents and published applications per publication year
YearGranted patentsPublished applications
19761260
19771030
19781140
1979920
1980940
1981860
1982760
1983750
1984810
1985570
1986660
1987600
1988730
19891060
19901000
19911240
19921150
19931340
19941110
19951070
19961110
19971230
19981580
19991530
20001850
200116554
2002159154
2003186293
2004180297
2005112296
2006135346
2007184308
2008147384
2009145320
2010197444
2011223343
2012231325
2013201288
2014258296
2015255337
2016253287
2017261352
2018244303
2019252270
2020229296
2021215245
2022198301
2023169273
2024184276
2025184226
2026131169

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

Main groups

Granted patents with any code in the group

Recent patents

Most cited

By later US patents