C01B 2203/049

The impurity being carbon

Official title: the impurity being carbon

C01B2203/049 (The impurity being carbon) appears on 145 US grants and 200 published applications in this corpus.

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Granted patents
145
Published applications
200
Assignees
121
Inventors
484
Latest grant
8 Sep 2026

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C01B 2203/049: granted patents and published applications per publication year
YearGranted patentsPublished applications
197630
197780
197820
197940
198030
198100
198200
198300
198400
198500
198600
198700
198800
198910
199000
199100
199200
199300
199400
199510
199600
199700
199800
199910
200000
200100
200200
200346
200403
200536
200642
200722
200823
200929
2010311
201144
201275
201364
201466
201574
201643
201724
201844
201941
202041
202118
2022318
20231627
20241331
20251327
2026811

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

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