D06M 13/192
Polycarboxylic acids
Official title: Polycarboxylic acids; Anhydrides, halides or salts thereof {(D06M13/1845 takes precedence)}
D06M13/192 (Polycarboxylic acids) appears on 161 US grants and 141 published applications in this corpus.
Search patents in D06M- Granted patents
- 161
- Published applications
- 141
- Assignees
- 145
- Inventors
- 518
- Latest grant
- 25 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 5 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 5 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 6 | 0 |
| 1994 | 4 | 0 |
| 1995 | 5 | 0 |
| 1996 | 6 | 0 |
| 1997 | 4 | 0 |
| 1998 | 8 | 0 |
| 1999 | 7 | 0 |
| 2000 | 2 | 0 |
| 2001 | 5 | 2 |
| 2002 | 6 | 3 |
| 2003 | 10 | 15 |
| 2004 | 2 | 4 |
| 2005 | 2 | 5 |
| 2006 | 8 | 12 |
| 2007 | 3 | 3 |
| 2008 | 1 | 3 |
| 2009 | 0 | 6 |
| 2010 | 0 | 2 |
| 2011 | 2 | 6 |
| 2012 | 2 | 2 |
| 2013 | 1 | 6 |
| 2014 | 2 | 0 |
| 2015 | 1 | 4 |
| 2016 | 4 | 4 |
| 2017 | 0 | 3 |
| 2018 | 2 | 1 |
| 2019 | 3 | 7 |
| 2020 | 4 | 6 |
| 2021 | 1 | 5 |
| 2022 | 4 | 9 |
| 2023 | 4 | 10 |
| 2024 | 4 | 5 |
| 2025 | 5 | 9 |
| 2026 | 0 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Porous polymeric cellulose prepared via cellulose crosslinking25 Nov 2025US 12,479,931 B2Nanopareil, LLC
- Method for the production of a microporous polymer coated fabric2 Sep 2025US 12,404,630 B2Betjo Beheer B.V.
- Methods of making MOFs, systems for synthesizing MOFs, and methods of coating textiles with MOFs29 Jul 2025US 12,371,444 B2University of Virginia Patent Foundation
- Ply fibrous product20 May 2025US 12,305,336 B2Essity Hygiene and Health Aktiebolag
- Bactericidal and virucidal fabric28 Jan 2025US 12,209,344 B2Nano and Advanced Materials Institute Limited
- Composition for promoting biodegradation of fabric and post-processing method for promoting biodegradation of fabric using the same3 Sep 2026US 2026/0258600 A1One Eight inc.,
- Surface-modified fibers, method for producing same, and molded article using surface-modified fibers23 Jul 2026US 2026/0210032 A1Kuraray Co., Ltd.
- Method for consolidating a fibrous material with a bio-based binder polymer, a consolidated fibrous material and an aqueous binder solution16 Jul 2026US 2026/0201618 A1Essity Hygiene and Health Aktiebolag
- Method for producing reinforced textile fiber compositions2 Jul 2026US 2026/0185298 A1Ligamore Aps
- Skin-lightening and antibacterial knitted fabric and preparation method thereof28 May 2026US 2026/0146383 A1Jiangsu Shenghai Clothing Technology Co., Ltd.
Most cited
By later US patents
- Absorbent structure containing individualized, polycarboxylic acid crosslinked wood pulp cellulose fibers694US 5,137,537 AThe Procter & Gamble Cellulose Company · 1992
- Process for preparing individualized, polycarboxylic acid crosslinked fibers178US 5,190,563 AThe Proctor & Gamble Company · 1993
- Aldehyde-modified cellulosic fibers for paper products having high initial wet strength109US 5,698,688 AThe Procter & Gamble Company · 1997
- Process for preparing reduced odor and improved brightness individualized, polycarboxylic acid crosslinked fibers92US 5,562,740 AThe Procter & Gamble Company · 1996
- Catalysts and processes for formaldehyde-free durable press finishing of cotton textiles with polycarboxylic acids86US 4,820,307 AThe United States of America as represented by the Secretary of Agriculture · 1989