C08F 222/402
Alkyl substituted imides
Official title: {Alkyl substituted imides}
C08F222/402 (Alkyl substituted imides) appears on 76 US grants and 76 published applications in this corpus.
Search patents in C08F- Granted patents
- 76
- Published applications
- 76
- Assignees
- 65
- Inventors
- 288
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 4 | 0 |
| 1994 | 4 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 1 |
| 2004 | 0 | 0 |
| 2005 | 1 | 3 |
| 2006 | 1 | 2 |
| 2007 | 0 | 1 |
| 2008 | 2 | 2 |
| 2009 | 1 | 4 |
| 2010 | 0 | 1 |
| 2011 | 1 | 0 |
| 2012 | 2 | 3 |
| 2013 | 3 | 3 |
| 2014 | 4 | 4 |
| 2015 | 2 | 5 |
| 2016 | 4 | 3 |
| 2017 | 4 | 3 |
| 2018 | 3 | 6 |
| 2019 | 4 | 5 |
| 2020 | 4 | 2 |
| 2021 | 1 | 4 |
| 2022 | 2 | 4 |
| 2023 | 3 | 6 |
| 2024 | 2 | 2 |
| 2025 | 4 | 6 |
| 2026 | 3 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Optical polymer material, optical film, display device, optical polymer material manufacturing method, and optical film manufacturing method12 May 2026US 12,624,142 B2Tosoh Corporation
- Resist compound, method for forming pattern using same, and method for manufacturing semiconductor device using same24 Feb 2026US 12,560,865 B2Samsung Electronics Co., Ltd.
- Propylene copolymer, preparation method therefor, and application thereof27 Jan 2026US 12,534,605 B2Dalian University of Technology
- Flame-retardant composition4 Nov 2025US 12,460,136 B2Chang Chun Plastics Co., Ltd.
- Method of preparing maleimide-based copolymer17 Jun 2025US 12,331,144 B2LG Chem.Ltd.
- Resist polymer, photosensitive resin composition, interlayer insulating film, and polymer production method17 Sep 2026US 2026/0275019 A1Nippon Shokubai Co., Ltd.
- Optical polymer material, optical film, display device, optical polymer material manufacturing method, and optical film manufacturing method13 Aug 2026US 2026/0234308 A1Tosoh Corporation
- Optical resin, and optical film, polarizing plate, surface plate, image display panel, image display device, and molded product for optics using said optical resin2 Jul 2026US 2026/0184833 A1Dai Nippon Printing Co.Ltd.
- Nonlinear optically active copolymer11 Jun 2026US 2026/0161046 A1Kyushu University, National University Corporation
- Halogen-free polymeric binder for cathode26 Mar 2026US 2026/0088293 A1Belenos Clean Power Holding AG
Most cited
By later US patents
- Polymer and a forming method of a micro pattern using the same493US 6,225,020 B1Hyundai Electronics Industries Co., Ltd. · 2001
- Halogen and perhalo-organo substituted N-phenyl (or biphenyl) maleimide27US 6,314,225 B1Corning Incorporated · 2001
- Optical material22US 5,208,307 ATosoh Corporation · 1993
- Process for processing polymer mixtures to filaments13US 5,962,131 ADegussa AG · 1999
- Resin composition and optical films formed by using the same10US 8,344,083 B2LG Chem.Ltd. · 2013