B41M 5/3335
Compounds containing phenolic or carboxylic acid groups or metal salts thereof
Official title: {Compounds containing phenolic or carboxylic acid groups or metal salts thereof}
B41M5/3335 (Compounds containing phenolic or carboxylic acid groups or metal salts thereof) appears on 479 US grants and 287 published applications in this corpus.
Search patents in B41M- Granted patents
- 479
- Published applications
- 287
- Assignees
- 133
- Inventors
- 808
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 3 | 0 |
| 1983 | 4 | 0 |
| 1984 | 9 | 0 |
| 1985 | 15 | 0 |
| 1986 | 24 | 0 |
| 1987 | 7 | 0 |
| 1988 | 18 | 0 |
| 1989 | 15 | 0 |
| 1990 | 8 | 0 |
| 1991 | 12 | 0 |
| 1992 | 19 | 0 |
| 1993 | 7 | 0 |
| 1994 | 10 | 0 |
| 1995 | 22 | 0 |
| 1996 | 7 | 0 |
| 1997 | 13 | 0 |
| 1998 | 19 | 0 |
| 1999 | 21 | 0 |
| 2000 | 15 | 0 |
| 2001 | 8 | 5 |
| 2002 | 7 | 11 |
| 2003 | 12 | 15 |
| 2004 | 14 | 18 |
| 2005 | 15 | 25 |
| 2006 | 14 | 17 |
| 2007 | 11 | 20 |
| 2008 | 8 | 12 |
| 2009 | 7 | 14 |
| 2010 | 5 | 8 |
| 2011 | 12 | 17 |
| 2012 | 13 | 8 |
| 2013 | 12 | 14 |
| 2014 | 20 | 10 |
| 2015 | 8 | 9 |
| 2016 | 10 | 11 |
| 2017 | 8 | 5 |
| 2018 | 9 | 10 |
| 2019 | 6 | 6 |
| 2020 | 2 | 13 |
| 2021 | 4 | 9 |
| 2022 | 5 | 4 |
| 2023 | 6 | 8 |
| 2024 | 2 | 10 |
| 2025 | 4 | 6 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Composition4 Aug 2026US 12,697,831 B2Datalase Ltd.
- Image forming method, image forming apparatus, and image forming system2 Jun 2026US 12,644,226 B2Konica Minolta, Inc.
- Laminate, card, and housing2 Sep 2025US 12,403,711 B2Sony Group Corporation
- Heat-sensitive recording material2 Sep 2025US 12,403,712 B2Oji Holdings Corporation
- Thermosensitive paper4 Mar 2025US 12,241,205 B2Rohm and Haas Company
- Composition20 Aug 2026US 2026/0241736 A1Datalase Ltd.
- Thermal recording material30 Apr 2026US 2026/0116113 A1Osaka Sealing Printing Co., Ltd.
- Recording medium and laminate4 Dec 2025US 2025/0367906 A1Sony Group Corporation
- Recording body and article4 Dec 2025US 2025/0367958 A1Sony Group Corporation
- Laminate, card, and housing27 Nov 2025US 2025/0360742 A1Sony Group Corporation
Most cited
By later US patents
- Reversible heat sensitive recording composition93US 4,720,301 AThe Pilot Ink Co., Ltd. · 1988
- Reversible multi-color thermal recording medium66US 5,710,094 ANippon Paper Industries Co., Ltd. · 1998
- Thermal imaging system59US 6,801,233 B2Polaroid Corporation · 2004
- Reversible thermosensitive coloring composition, recording medium, recording method, and image display apparatus using the recording medium44US 5,432,534 ARicoh Company, Ltd. · 1995
- Thermal imaging system44US 6,906,735 B2Polaroid Corporation · 2005