C01C

Ammonia

Official title: AMMONIA; CYANOGEN; COMPOUNDS THEREOF ({metal hydrides, monoborane, diborane or addition complexes thereof C01B6/00}; salts of oxyacids of halogens C01B11/00; peroxides, salts of peroxyacids C01B15/00; thiosulfates, dithionites, polythionates C01B17/64; compounds containing selenium or tellurium C01B19/00; azides C01B21/08; {compounds other than ammonia or cyanogen, containing nitrogen, non-metals and optionally metals C01B21/082}; metal imides or amides C01B21/092; nitrites C01B21/50; {compounds of noble gases C01B23/0005}; phosphides C01B25/08; salts of oxyacids of phosphorus C01B25/16; compounds containing silicon C01B33/00; compounds containing boron C01B35/00)

C01C (Ammonia) appears on 2,019 US grants and 1,884 published applications in this corpus.

Search patents in C01C
Granted patents
2,019
Published applications
1,884
Assignees
1,083
Inventors
4,680
Latest grant
6 Oct 2026

Filings by year

C01C: granted patents and published applications per publication year
YearGranted patentsPublished applications
1976580
1977420
1978340
1979360
1980400
1981390
1982280
1983300
1984370
1985360
1986250
1987310
1988290
1989270
1990230
1991260
1992290
1993330
1994180
1995310
1996180
1997160
1998300
1999290
2000380
20014116
20023345
20033742
20043343
20052826
20063324
20071429
20082141
20091734
20103259
20112266
20123358
20133552
201453101
201557103
20167294
20177682
20186991
20198476
20206489
202168112
20224998
202364101
202469145
202573147
202659110

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

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