C08J 11/24
Containing hydroxyl groups
Official title: containing hydroxyl groups
C08J11/24 (Containing hydroxyl groups) appears on 352 US grants and 572 published applications in this corpus.
Search patents in C08J- Granted patents
- 352
- Published applications
- 572
- Assignees
- 273
- Inventors
- 1,195
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 5 | 0 |
| 1994 | 4 | 0 |
| 1995 | 5 | 0 |
| 1996 | 5 | 0 |
| 1997 | 6 | 0 |
| 1998 | 5 | 0 |
| 1999 | 8 | 0 |
| 2000 | 6 | 0 |
| 2001 | 3 | 1 |
| 2002 | 7 | 5 |
| 2003 | 4 | 5 |
| 2004 | 7 | 6 |
| 2005 | 3 | 7 |
| 2006 | 2 | 1 |
| 2007 | 7 | 9 |
| 2008 | 3 | 6 |
| 2009 | 3 | 6 |
| 2010 | 5 | 5 |
| 2011 | 7 | 5 |
| 2012 | 5 | 4 |
| 2013 | 4 | 9 |
| 2014 | 8 | 13 |
| 2015 | 10 | 11 |
| 2016 | 10 | 21 |
| 2017 | 8 | 17 |
| 2018 | 13 | 15 |
| 2019 | 12 | 20 |
| 2020 | 18 | 15 |
| 2021 | 16 | 31 |
| 2022 | 12 | 38 |
| 2023 | 23 | 67 |
| 2024 | 22 | 87 |
| 2025 | 37 | 98 |
| 2026 | 47 | 70 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for manufacturing polyester film having laminated structure29 Sep 2026US 12,747,326 B2Nan Ya Plastics Corporation
- 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.
- Method for depolymerising polyester18 Aug 2026US 12,709,671 B2Kolon Industries, Inc.
- 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
- Continuous size-exclusion membrane separation of polyurethane deconstruction products for the recovery of pristine polyols24 Sep 2026US 2026/0286087 A1Alliance for Energy Innovation, LLC
- Apparatus and method for regenerating blend resin17 Sep 2026US 2026/0275072 A1Honda Motor Co., Ltd.
- Monomer composition for synthesising recycled plastic, preparation method thereof, recycled plastic, and molded product using the same10 Sep 2026US 2026/0265483 A1LG Chem.Ltd.
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
- Process for the depolymerization of polyester scrap63US 4,609,680 AToray Industries, Inc. · 1986
- Process for the conversion of poly(ethylene terephthalate) waste to poly(alkylene terephthalate)54US 5,451,611 ACouncil of Scientific and Industrial Research · 1995
- Articles derived from compositions containing modified polybutylene terephthalate (PBT) random copolymers derived from polyethylene terephthalate (PET)52US 7,935,737 B2SABIC Innovative Plastics IP B. V. · 2011