A01N 47/28

Ureas or thioureas containing the groups >n—co—n< or >n—cs—n<

Official title: Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N< (isoureas, isothioureas A01N47/42)

A01N47/28 (Ureas or thioureas containing the groups >n—co—n< or >n—cs—n<) appears on 2,805 US grants and 1,520 published applications in this corpus.

Search patents in A01N
Granted patents
2,805
Published applications
1,520
Assignees
590
Inventors
4,490
Latest grant
6 Oct 2026

Filings by year

A01N 47/28: granted patents and published applications per publication year
YearGranted patentsPublished applications
1976140
1977270
1978300
1979300
1980560
1981730
1982840
1983650
1984860
19851090
19861280
19871360
19881120
19891290
19901050
1991750
1992720
1993650
1994670
1995680
1996620
1997770
1998550
1999590
2000620
2001658
20025128
20032443
20042838
20051059
20061341
20071228
2008652
20091442
20102976
20111461
20123753
20134081
20146398
201570109
20166194
20178595
20185867
20196070
20203951
20213153
20222559
20232254
20244264
20252758
20263338

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

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