C09B
Organic dyes or closely-related compounds for producing dyes
Official title: ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES {, e.g. PIGMENTS}; MORDANTS; LAKES (fermentation or enzyme using processes to synthesise a desired chemical compound C12P)
C09B (Organic dyes or closely-related compounds for producing dyes) appears on 16,156 US grants and 10,312 published applications in this corpus.
Search patents in C09B- Granted patents
- 16,156
- Published applications
- 10,312
- Assignees
- 3,066
- Inventors
- 22,037
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 475 | 0 |
| 1977 | 471 | 0 |
| 1978 | 372 | 0 |
| 1979 | 245 | 0 |
| 1980 | 321 | 0 |
| 1981 | 402 | 0 |
| 1982 | 268 | 0 |
| 1983 | 278 | 0 |
| 1984 | 263 | 0 |
| 1985 | 300 | 0 |
| 1986 | 230 | 0 |
| 1987 | 261 | 0 |
| 1988 | 268 | 0 |
| 1989 | 322 | 0 |
| 1990 | 301 | 0 |
| 1991 | 319 | 0 |
| 1992 | 334 | 0 |
| 1993 | 337 | 0 |
| 1994 | 357 | 0 |
| 1995 | 339 | 0 |
| 1996 | 333 | 0 |
| 1997 | 316 | 0 |
| 1998 | 391 | 0 |
| 1999 | 357 | 0 |
| 2000 | 341 | 0 |
| 2001 | 299 | 85 |
| 2002 | 297 | 246 |
| 2003 | 290 | 347 |
| 2004 | 234 | 428 |
| 2005 | 187 | 366 |
| 2006 | 293 | 431 |
| 2007 | 252 | 405 |
| 2008 | 250 | 472 |
| 2009 | 266 | 517 |
| 2010 | 346 | 554 |
| 2011 | 346 | 571 |
| 2012 | 376 | 499 |
| 2013 | 404 | 463 |
| 2014 | 446 | 502 |
| 2015 | 421 | 527 |
| 2016 | 402 | 430 |
| 2017 | 426 | 455 |
| 2018 | 347 | 473 |
| 2019 | 390 | 398 |
| 2020 | 315 | 387 |
| 2021 | 278 | 324 |
| 2022 | 233 | 335 |
| 2023 | 211 | 376 |
| 2024 | 277 | 298 |
| 2025 | 220 | 239 |
| 2026 | 149 | 184 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Main groups
Granted patents with any code in the group
- C09B 67/00Influencing the physical4,888
- C09B 57/00Organic dyes or closely-related compounds for producing dyes: other synthetic dyes of2,566
- C09B 23/00Methine or polymethine dyes2,098
- C09B 69/00Dyes not provided for by a single group of this subclass2,070
- C09B 29/00Monoazo dyes prepared by diazotising and coupling1,602
- C09B 62/00Reactive dyes, i.e. dyes which form covalent bonds with the substrates or1,281
- C09B 11/00Diaryl- or thriarylmethane dyes1,154
- C09B 47/00Porphines997
All 44 main groupsShow fewer
- C09B 1/00Dyes with anthracene nucleus not condensed with any other ring829
- C09B 35/00Disazo and polyazo dyes of the type a<-d->b prepared by diazotising and578
- C09B 31/00Disazo and polyazo dyes of the type a->b->c, a->b->c->d, or the like552
- C09B 5/00Dyes with an anthracene nucleus condensed with one or more heterocyclic rings543
- C09B 43/00Preparation of azo dyes from other azo compounds528
- C09B 45/00Complex metal compounds of azo dyes447
- C09B 61/00Dyes of natural origin prepared from natural sources375
- C09B 55/00Azomethine dyes344
- C09B 19/00Oxazine dyes305
- C09B 44/00Azo dyes containing onium groups305
- C09B 33/00Disazo and polyazo dyes of the types a->k<-b, a->b->k<-c, or the like267
- C09B 3/00Dyes with an anthracene nucleus condensed with one or more carbocyclic rings231
- C09B 56/00Azo dyes containing other chromophoric systems230
- C09B 68/00Organic pigments surface-modified by grafting212
- C09B 63/00Lakes183
- C09B 21/00Thiazine dyes174
- C09B 48/00Quinacridones164
- C09B 7/00Indigoid dyes149
- C09B 26/00Hydrazone dyes147
- C09B 41/00Special methods of performing the coupling reaction145
- C09B 15/00Acridine dyes117
- C09B 17/00Azine dyes107
- C09B 53/00Quinone imides87
- C09B 51/00Nitro or nitroso dyes86
- C09B 49/00Sulfur dyes71
- C09B 25/00Quinophthalones68
- C09B 27/00Preparations in which the azo group is formed in any way other46
- C09B 6/00Anthracene dyes not provided for above31
- C09B 13/00Oxyketone dyes27
- C09B 50/00Formazane dyes26
- C09B 39/00Organic dyes or closely-related compounds for producing dyes: other azo dyes prepared25
- C09B 9/00Esters or ester-salts of leuco compounds of vat dyestuffs23
- C09B 59/00Artificial dyes of unknown constitution13
- C09B 37/00Azo dyes prepared by coupling the diazotised amine with itself11
- C09B 65/00Compositions containing mordants6
- C09B 46/00Azo dyes not provided for in groups c09b27/00 - c09b45/001
Recent patents
- Cosmetic and dermatological compositions6 Oct 2026US 12,751,904 B2Northeastern University
- Aromatic amine derivative, and organic electroluminescent element using same6 Oct 2026US 12,753,145 B2Idemitsu Kosan Co., Ltd.
- Simultaneously dyeing and flame-retardant finishing method for polyester based textile6 Oct 2026US 12,753,549 B2Daikyo Chemical Co., Ltd.
- Colored fiber, method for manufacturing colored fiber, and fiber product29 Sep 2026US 12,747,518 B2Kaneka Corporation
- Method for the preparation of diarylmethane dyes and triarylmethane dyes including isosulfan blue22 Sep 2026US 12,741,934 B2Nj Bio, Inc.
- Violet Excitable Tandem Dyes, and Methods for Making and Using the Same8 Oct 2026US 2026/0308383 A1
- Disperse dyes for dyeing polyester fibres8 Oct 2026US 2026/0308841 A1University of Leeds
- Laminate, display device, and organic electroluminescent display device8 Oct 2026US 2026/0314244 A1FUJIFILM Corporation
- Composition of triarylmethane sulfone compounds1 Oct 2026US 2026/0297021 A1Provepharm Life Solutions
- Higher-molecular photochromic dyes having at least one and not more than four naphthopyran subunits and multiple polyether chains1 Oct 2026US 2026/0297330 A1
Most cited
By later US patents
- Polymeric transition metal complexes and uses thereof1,155US 6,605,200 B1TheraSense, Inc. · 2003
- Transition metal complexes with bidentate ligand having an imidazole ring and sensor constructed therewith1,152US 6,605,201 B1TheraSense, Inc. · 2003
- Process for preparing diaminophenothiazinium compounds687US 8,765,942 B2Provence Technologies · 2014
- Electrophoretic particles, and processes for the production thereof510US 7,002,728 B2E Ink Corporation · 2006
- Aqueous pigmented inks for ink jet printers501US 5,085,698 AE. I. Du Pont de Nemours and Company · 1992