C08F 216/38
Copolymers of compounds having one or more unsaturated aliphatic radicals, each having
Official title: by an acetal or ketal radical
C08F216/38 (Copolymers of compounds having one or more unsaturated aliphatic radicals, each having) appears on 83 US grants and 116 published applications in this corpus.
Search patents in C08F- Granted patents
- 83
- Published applications
- 116
- Assignees
- 52
- Inventors
- 280
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 4 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 0 |
| 2003 | 1 | 0 |
| 2004 | 1 | 2 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 3 |
| 2008 | 0 | 2 |
| 2009 | 2 | 4 |
| 2010 | 3 | 2 |
| 2011 | 0 | 3 |
| 2012 | 0 | 1 |
| 2013 | 1 | 7 |
| 2014 | 1 | 4 |
| 2015 | 4 | 4 |
| 2016 | 6 | 7 |
| 2017 | 6 | 7 |
| 2018 | 1 | 4 |
| 2019 | 6 | 4 |
| 2020 | 6 | 9 |
| 2021 | 5 | 10 |
| 2022 | 4 | 13 |
| 2023 | 7 | 12 |
| 2024 | 8 | 12 |
| 2025 | 9 | 4 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for producing fluorinated polymer and method for producing fluorinated ion exchange polymer1 Sep 2026US 12,723,119 B2AGC Inc.
- Polyvinyl acetal resin16 Dec 2025US 12,497,468 B2Sekisui Chemical Co., Ltd.
- Polyvinyl acetal resin2 Dec 2025US 12,486,347 B2Sekisui Chemical Co., Ltd.
- Gas separation articles composed of amorphous fluorinated copolymers of dioxolanes and other fluorinated ring monomers and methods of making and using thereof18 Nov 2025US 12,473,391 B2Chromis Fiberoptics, Inc.
- Vinyl alcohol-amino acid ester copolymer7 Oct 2025US 12,435,165 B2Sekisui Chemical Co., Ltd.
- Polyvinyl acetal resin, and resin composition for ceramic green sheet23 Apr 2026US 2026/0109791 A1Sekisui Chemical Co., Ltd.
- Method for producing hollow fine particles, hollow fine particles, phase-separated fine particles, aqueous dispersion, and composition5 Feb 2026US 2026/0035554 A1Daikin Industries, Ltd.
- Highly random addition bypolymers for destabilization of complex emulsions in crude oil blends28 Aug 2025US 2025/0270452 A1Instituto Mexicano Del Petroleo
- Encapsulation materials for flat optical devices5 Jun 2025US 2025/0179323 A1APPLIED Materials.Inc.
- Plastic optical fiber and method for manufacturing the same24 Apr 2025US 2025/0129524 A1Nitto Denko Corporation
Most cited
By later US patents
- Photoresist cross-linker and photoresist composition comprising the same474US 6,368,773 B1Hyundai Electronics Industries Co., Ltd. · 2002
- Polymers derived from olefins useful as lubricant and fuel oil additives, processes for preparation of such polymers and additives and use thereof (PT-1267)72US 5,811,379 AExxon Chemical Patents Inc. · 1998
- Polymers derived from olefins useful as lubricant and fuel oil additives, processes for preparation of such polymers and additives and use thereof46US 6,017,859 AExxon Chemical Patents Inc. · 2000
- Laminated glass intermediate film and laminated glass45US 8,715,815 B2Sekisui Chemical Co., Ltd. · 2014
- Polymers derived from olefins useful as lubricant and fuel oil additives, processes for preparation of such polymers and additives and use thereof (PT-1267)23US 6,468,948 B1Infineum USA L.P. · 2002