C08F 220/46
With carboxylic acids, sulfonic acids or salts thereof
Official title: with carboxylic acids, sulfonic acids or salts thereof
C08F220/46 (With carboxylic acids, sulfonic acids or salts thereof) appears on 46 US grants and 59 published applications in this corpus.
Search patents in C08F- Granted patents
- 46
- Published applications
- 59
- Assignees
- 45
- Inventors
- 203
- Latest grant
- 23 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 2 |
| 2014 | 1 | 1 |
| 2015 | 1 | 3 |
| 2016 | 0 | 1 |
| 2017 | 2 | 3 |
| 2018 | 3 | 5 |
| 2019 | 4 | 8 |
| 2020 | 5 | 4 |
| 2021 | 6 | 8 |
| 2022 | 1 | 4 |
| 2023 | 2 | 8 |
| 2024 | 7 | 2 |
| 2025 | 2 | 6 |
| 2026 | 3 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Ultraviolet blocking acrylic fibers, ultraviolet blocking fabric and fiber product containing the same, and method for manufacturing the same23 Jun 2026US 12,662,756 B2Kaneka Corporation
- Nanofiber for air filter comprising random copolymer having zwitterionic functional group and method for manufacturing same7 Apr 2026US 12,594,514 B2Gwangju Institute of Science and Technology
- Anode mixture for secondary battery, anode and secondary battery including the same10 Mar 2026US 12,573,632 B2LG Chem.Ltd.
- Carboxylic acid-modified nitrile-based copolymer latex composition, latex composition for dip molding including the same, and molded article therefrom16 Dec 2025US 12,497,501 B2LG Chem.Ltd.
- Polymer latex for the preparation of an elastomeric film having excellent stress retention properties and softness4 Nov 2025US 12,460,100 B2Synthomer Sdn. Bhd.
- Polyacrylate-Based Binder and Use Thereof, Electrode Sheet, and Lithium-Ion Battery23 Apr 2026US 2026/0112635 A1
- Aqueous photo-iniferter polymerization of polyacrylonitrile and copolymers thereof5 Feb 2026US 2026/0035496 A1The University of Southern Mississippi
- Process for preparing a carbon fiber precursor4 Dec 2025US 2025/0369158 A1
- Adhesion substance, adhesive composition, positive electrode plate, secondary battery, and electric apparatus4 Dec 2025US 2025/0372655 A1Contemporary Amperex Technology Co., Limited
- Carbon fiber with improved tensile properties formed from pan-based fiber with certain chemical signature3 Jul 2025US 2025/0215619 A1
Most cited
By later US patents
- Two-component developer30US 10,969,705 B2Canon Kabushiki Kaisha · 2021
- Magnetic toner and method for manufacturing magnetic toner23US 10,969,704 B2Canon Kabushiki Kaisha · 2021
- Acrylic precursor fibers suitable for preparing carbon or graphite fibers14US 4,336,022 AE. I. Du Pont de Nemours and Company · 1982
- Acrylic fiber suitable for preparing carbon or graphite fibers8US 4,698,413 AE. I. Du Pont de Nemours and Company · 1987
- Stable aqueous emulsion of acrylonitrile polymer, its production and dyeability improving agent comprising such emulsion6US 4,130,525 AJapan Exlan Company Limited · 1978