B41M 3/001

Printing processes to produce particular kinds of printed work: using chemical colour-formers

Official title: {using chemical colour-formers or chemical reactions, e.g. leuco dyes or acids}

B41M3/001 (Printing processes to produce particular kinds of printed work: using chemical colour-formers) appears on 110 US grants and 106 published applications in this corpus.

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Granted patents
110
Published applications
106
Assignees
57
Inventors
275
Latest grant
15 Sep 2026

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B41M 3/001: granted patents and published applications per publication year
YearGranted patentsPublished applications
197610
197710
197810
197910
198020
198110
198200
198300
198400
198510
198600
198700
198840
198910
199000
199110
199230
199320
199410
199550
199630
199720
199810
199920
200040
200120
200221
200320
200412
200505
200630
200721
200800
200904
201000
201101
201201
201320
201411
201513
201600
201735
2018215
201938
202079
2021105
202256
202373
2024514
2025414
2026118

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