C08J 11/14
By treatment with steam or water
Official title: by treatment with steam or water
C08J11/14 (By treatment with steam or water) appears on 190 US grants and 315 published applications in this corpus.
Search patents in C08J- Granted patents
- 190
- Published applications
- 315
- Assignees
- 223
- Inventors
- 844
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 3 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 4 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 4 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 3 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 0 |
| 2002 | 3 | 3 |
| 2003 | 3 | 2 |
| 2004 | 1 | 1 |
| 2005 | 0 | 1 |
| 2006 | 1 | 3 |
| 2007 | 2 | 2 |
| 2008 | 0 | 1 |
| 2009 | 3 | 6 |
| 2010 | 2 | 2 |
| 2011 | 4 | 6 |
| 2012 | 2 | 2 |
| 2013 | 2 | 2 |
| 2014 | 1 | 8 |
| 2015 | 5 | 4 |
| 2016 | 2 | 7 |
| 2017 | 3 | 1 |
| 2018 | 5 | 8 |
| 2019 | 6 | 12 |
| 2020 | 13 | 13 |
| 2021 | 5 | 15 |
| 2022 | 9 | 20 |
| 2023 | 16 | 52 |
| 2024 | 19 | 43 |
| 2025 | 26 | 63 |
| 2026 | 19 | 38 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for decolorizing polyester and method for depolymerising polyester comprising the same22 Sep 2026US 12,742,053 B2Kolon Industries, Inc.
- Recyclable PET film25 Aug 2026US 12,715,167 B2Mitsubishi Polyester Film GmbH
- Method and apparatus for treating a feed before a quench column25 Aug 2026US 12,716,030 B2Teknologian tutkimuskeskus VTT Oy
- Process for producing epsilon-caprolactam by depolymerization of polycaprolactam (PA6)18 Aug 2026US 12,709,599 B2Aquafil S.P.A.
- Method for depolymerising polyester18 Aug 2026US 12,709,671 B2Kolon Industries, Inc.
- Pre-depolymerization Hollow Shaft Feed Screw1 Oct 2026US 2026/0296794 A1
- Methods for Recycling Cotton and Polyester Fibers from Waste Textiles1 Oct 2026US 2026/0297288 A1Circ, LLC
- Method for recycling a polyamide under acidic conditions27 Aug 2026US 2026/0250482 A1Syensqo Specialty Polymers USA, LLC
- Manufacturing process of metal-organic framework porous material of aluminium and terephthalic acid20 Aug 2026US 2026/0242323 A1Chiang Mai University
- Catalysts for solvolysis of polyester6 Aug 2026US 2026/0225087 A1Agency for Science, Technology and Research
Most cited
By later US patents
- Preparation of purified terephthalic acid from waste polyethylene terephthalate62US 5,095,145 AAmoco Corporation · 1992
- Process for the recovery of terephthalic acid and ethylene glycol from poly(ethylene terephthalate)58US 5,413,681 AEastman Chemical Company · 1995
- Disposable bags57US 4,620,999 AImperial Chemical Industries PLC · 1986
- Depolymerization of condensation polymers52US 4,605,762 ACelanese Mexicana S.A. · 1986
- Process for the continuous degradation of plastics44US 4,051,212 ABayer Aktiengesellschaft · 1977