C08J 11/22
By treatment with organic oxygen-containing compounds
Official title: by treatment with organic oxygen-containing compounds
C08J11/22 (By treatment with organic oxygen-containing compounds) appears on 475 US grants and 750 published applications in this corpus.
Search patents in C08J- Granted patents
- 475
- Published applications
- 750
- Assignees
- 376
- Inventors
- 1,616
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 6 | 0 |
| 1994 | 7 | 0 |
| 1995 | 7 | 0 |
| 1996 | 6 | 0 |
| 1997 | 11 | 0 |
| 1998 | 6 | 0 |
| 1999 | 9 | 0 |
| 2000 | 8 | 0 |
| 2001 | 5 | 1 |
| 2002 | 8 | 6 |
| 2003 | 7 | 8 |
| 2004 | 10 | 8 |
| 2005 | 3 | 10 |
| 2006 | 4 | 2 |
| 2007 | 8 | 10 |
| 2008 | 3 | 7 |
| 2009 | 3 | 8 |
| 2010 | 5 | 5 |
| 2011 | 10 | 5 |
| 2012 | 5 | 6 |
| 2013 | 7 | 11 |
| 2014 | 9 | 14 |
| 2015 | 10 | 12 |
| 2016 | 10 | 25 |
| 2017 | 12 | 20 |
| 2018 | 16 | 17 |
| 2019 | 14 | 33 |
| 2020 | 28 | 33 |
| 2021 | 25 | 44 |
| 2022 | 17 | 52 |
| 2023 | 37 | 84 |
| 2024 | 31 | 111 |
| 2025 | 50 | 114 |
| 2026 | 60 | 104 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method for manufacturing polyester film having laminated structure29 Sep 2026US 12,747,326 B2Nan Ya Plastics Corporation
- Recycling of polyacetal for the production of polyoxymethylene dialkyl ethers22 Sep 2026US 12,742,054 B2Chemcom Investments BV
- Process and system for depolymerizing plastic22 Sep 2026US 12,742,055 B2Syre Inc.
- Process for producing bis(2-hydroxyethyl) terephthalate in liquid form by depolymerization of polyethylene terephthalate (PET)15 Sep 2026US 12,735,551 B2Chempet S.r.I
- Method and system for efficient catalyst-free alcoholysis of waste polyester8 Sep 2026US 12,729,282 B1JS Royal Home USA, Inc.
- Recycled polymer compositions and methods thereof8 Oct 2026US 2026/0308340 A1Braskem S/A
- Cyclodepolymerization method for aromatic polyesters8 Oct 2026US 2026/0308350 A1Soochow University
- Method for depolymerizing polyester1 Oct 2026US 2026/0297285 A1Kirin Holdings Kabushiki Kaisha
- Method for depolymerising a polyester comprising polyethylene terephthalate by recirculating an oligomer effluent1 Oct 2026US 2026/0297286 A1Ifp Energies Nouvelles
- Method for recycling polyurethane material1 Oct 2026US 2026/0297287 A1National Taiwan University
Most cited
By later US patents
- Process for preparing polybutylene terephthalate from pet scrap98US 5,266,601 AZimmer, Inc. · 1993
- Method for separating and recovering dimethyl terephthalate and ethylene glycol from polyester waste74US 6,706,843 B1Teijin Limited · 2004
- Aqueous coating compositions from polyethylene terephthalate64US 5,371,112 AThe Sherwin-Williams Company · 1994
- Process for the depolymerization of polyester scrap63US 4,609,680 AToray Industries, Inc. · 1986
- Process including depolymerization in polyester reactor for recycling polyester materials63US 5,559,159 AEastman Chemical Company · 1996