C08F 22/00
Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals
Official title: Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals each having only one carbon-to-carbon double bond, and at least one being terminated by a carboxyl radical and containing at least one other carboxyl radical in the molecule; Salts, anhydrides, esters, amides, imides or nitriles thereof
C08F22/00 (Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals) appears on 762 US grants and 755 published applications in this corpus.
Search patents in C08F- Granted patents
- 762
- Published applications
- 755
- Assignees
- 445
- Inventors
- 2,104
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 9 | 0 |
| 1978 | 5 | 0 |
| 1979 | 10 | 0 |
| 1980 | 9 | 0 |
| 1981 | 10 | 0 |
| 1982 | 4 | 0 |
| 1983 | 9 | 0 |
| 1984 | 5 | 0 |
| 1985 | 6 | 0 |
| 1986 | 9 | 0 |
| 1987 | 12 | 0 |
| 1988 | 9 | 0 |
| 1989 | 8 | 0 |
| 1990 | 5 | 0 |
| 1991 | 6 | 0 |
| 1992 | 3 | 0 |
| 1993 | 9 | 0 |
| 1994 | 4 | 0 |
| 1995 | 4 | 0 |
| 1996 | 5 | 0 |
| 1997 | 8 | 0 |
| 1998 | 5 | 0 |
| 1999 | 15 | 0 |
| 2000 | 10 | 0 |
| 2001 | 19 | 3 |
| 2002 | 11 | 11 |
| 2003 | 10 | 20 |
| 2004 | 19 | 20 |
| 2005 | 12 | 12 |
| 2006 | 7 | 5 |
| 2007 | 10 | 2 |
| 2008 | 5 | 6 |
| 2009 | 1 | 5 |
| 2010 | 2 | 12 |
| 2011 | 5 | 13 |
| 2012 | 6 | 17 |
| 2013 | 15 | 46 |
| 2014 | 19 | 48 |
| 2015 | 37 | 62 |
| 2016 | 52 | 53 |
| 2017 | 47 | 50 |
| 2018 | 44 | 57 |
| 2019 | 48 | 31 |
| 2020 | 38 | 51 |
| 2021 | 24 | 48 |
| 2022 | 34 | 41 |
| 2023 | 34 | 46 |
| 2024 | 33 | 40 |
| 2025 | 30 | 21 |
| 2026 | 14 | 35 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Process for the production of biodegradable superabsorbent polymer with high absorbency under load based on styrene maleic acid copolymers and biopolymer15 Sep 2026US 12,734,270 B2Polygreen Ltd
- Curable resin composition, a cured product, a laminated body composed of a cured product, and a method for disassembling thereof7 Jul 2026US 12,674,085 B2Threebond Co., Ltd.
- Curable composition for imprinting, cured substance, imprint pattern producing method, and method for manufacturing device23 Jun 2026US 12,662,559 B2FUJIFILM Corporation
- Resin composition, prepreg, film with resin, metal foil with resin, metal-clad laminate, and printed wiring board19 May 2026US 12,630,715 B2Panasonic Intellectual Property Management Co., Ltd.
- Liquid polymerizable allylic compositions comprising lake pigments12 May 2026US 12,624,132 B2Essilor International
- Onium salt monomer, polymer, chemically amplified resist composition, and pattern forming process8 Oct 2026US 2026/0310075 A1Shin-Etsu Chemical Co., Ltd.
- Novel fumaric acid ester monomer, resin, and film containing same24 Sep 2026US 2026/0286024 A1Tosoh Corporation
- Salt, acid generator, resin, resist composition, and method for producing resist pattern24 Sep 2026US 2026/0288002 A1Sumitomo Chemical Company, Limited
- Method to prepare amidated polymers17 Sep 2026US 2026/0275009 A1
- Polymer, water-repellent agent, textile product, and method for producing textile product10 Sep 2026US 2026/0265994 A1Daikin Industries, Ltd.
Most cited
By later US patents
- Hydrogels that undergo volumetric expansion in response to changes in their environment and their methods of manufacture and use180US 6,878,384 B2MicroVention, Inc. · 2005
- Highly cross-linked polymeric supports126US 5,910,554 ARegents of the University of Minnesota · 1999
- Cyanoacrylate compositions97US 4,837,260 AToagosei Chemical Industry Co., Ltd. · 1989
- Polymer particles95US 9,688,788 B2Terumo Kabushiki Kaisha · 2017
- In vivo polymerizable ophthalmic compositions and methods of using94US 6,180,687 B2Alcon Laboratories, Inc. · 2001