C04B 35/50

Based on rare-earth compounds

Official title: based on rare-earth compounds {(non-oxide rare earth compounds C04B35/5156)}

C04B35/50 (Based on rare-earth compounds) appears on 872 US grants and 1,009 published applications in this corpus.

Search patents in C04B
Granted patents
872
Published applications
1,009
Assignees
464
Inventors
2,255
Latest grant
6 Oct 2026

Filings by year

C04B 35/50: granted patents and published applications per publication year
YearGranted patentsPublished applications
197670
197760
197890
197950
198040
198120
198200
198320
198440
198550
198650
198710
198890
198950
199080
1991110
199260
199320
199480
1995120
1996140
1997130
199860
1999100
200070
2001108
20021618
20031224
20041629
20051425
20061022
20071932
20081632
20092642
20102240
20113029
20121939
20132653
20143247
20153841
20163850
20173156
20183954
20193973
20205850
20214146
20223659
20233961
20243739
20252820
20261920

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

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