H01M 50/42
Acrylic resins
H01M50/42 (Acrylic resins) appears on 565 US grants and 1,140 published applications in this corpus.
Search patents in H01M- Granted patents
- 565
- Published applications
- 1,140
- Assignees
- 292
- Inventors
- 1,889
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 4 | 0 |
| 1979 | 4 | 0 |
| 1980 | 4 | 0 |
| 1981 | 5 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 10 | 0 |
| 1994 | 3 | 0 |
| 1995 | 3 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 5 | 0 |
| 1999 | 0 | 0 |
| 2000 | 4 | 0 |
| 2001 | 2 | 1 |
| 2002 | 5 | 5 |
| 2003 | 7 | 15 |
| 2004 | 5 | 14 |
| 2005 | 4 | 10 |
| 2006 | 8 | 7 |
| 2007 | 3 | 3 |
| 2008 | 2 | 6 |
| 2009 | 2 | 21 |
| 2010 | 7 | 8 |
| 2011 | 7 | 18 |
| 2012 | 8 | 25 |
| 2013 | 5 | 30 |
| 2014 | 16 | 45 |
| 2015 | 23 | 39 |
| 2016 | 25 | 46 |
| 2017 | 24 | 51 |
| 2018 | 25 | 31 |
| 2019 | 39 | 71 |
| 2020 | 45 | 61 |
| 2021 | 42 | 60 |
| 2022 | 40 | 56 |
| 2023 | 38 | 99 |
| 2024 | 43 | 119 |
| 2025 | 51 | 176 |
| 2026 | 39 | 123 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Laminate for electrochemical device and electrochemical device6 Oct 2026US 12,756,064 B2Zeon Corporation
- Separator for electrochemical device and electrochemical device including the same29 Sep 2026US 12,749,770 B2LG Energy Solution, Ltd.
- Non-aqueous electrolyte secondary battery22 Sep 2026US 12,744,236 B2Panasonic Intellectual Property Management Co., Ltd.
- Separator for power storage device, and power storage device including same22 Sep 2026US 12,744,284 B2Asahi Kasei Battery Separator Corporation
- Ingredient for secondary cell separator coating material, secondary cell separator coating material, secondary cell separator, method for producing secondary cell separator, and secondary cell15 Sep 2026US 12,738,597 B2Mitsui Chemicals, Inc.
- Electrochemical cells with ionic sequestration provided by porous separators1 Oct 2026US 2026/0302323 A1Sepion Technologies, Inc.
- Compositions for the formation of battery shutdown layers24 Sep 2026US 2026/0290910 A1
- Secondary battery and electric apparatus17 Sep 2026US 2026/0279893 A1Ningde Amperex Technology Limited
- Secondary battery and electric apparatus10 Sep 2026US 2026/0269425 A1Contemporary Amperex Technology Co., Limited
- Apparatus for manufacturing separator for rechargeable battery, method of manufacturing separator for rechargeable battery, and rechargeable battery3 Sep 2026US 2026/0261009 A1Samsung SDI.Co., Ltd.
Most cited
By later US patents
- Separator for a high energy rechargeable lithium battery178US 6,432,586 B1Celgard, LLC · 2002
- Film for a separator of electrochemical apparatus, and production method and use thereof119US 6,096,456 AShowa Denko K. K. · 2000
- Electrochemical device using multicomponent composite membrane film103US 7,014,948 B2LG Chem.Ltd. · 2006
- Lithium ion polymer electrolytes87US 6,413,676 B1Lithium Power Technologies, Inc. · 2002
- Batteries including improved fine fiber separators85US 7,112,389 B1E. I. Du Pont de Nemours and Company · 2006