C08J 11/02
Recovery or working-up of waste materials: of solvents, plasticisers or unreacted monomers
Official title: of solvents, plasticisers or unreacted monomers
C08J11/02 (Recovery or working-up of waste materials: of solvents, plasticisers or unreacted monomers) appears on 142 US grants and 164 published applications in this corpus.
Search patents in C08J- Granted patents
- 142
- Published applications
- 164
- Assignees
- 125
- Inventors
- 525
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 4 | 0 |
| 2000 | 5 | 0 |
| 2001 | 1 | 1 |
| 2002 | 1 | 1 |
| 2003 | 1 | 1 |
| 2004 | 2 | 2 |
| 2005 | 0 | 0 |
| 2006 | 1 | 2 |
| 2007 | 3 | 3 |
| 2008 | 2 | 2 |
| 2009 | 2 | 0 |
| 2010 | 0 | 4 |
| 2011 | 0 | 2 |
| 2012 | 1 | 4 |
| 2013 | 5 | 2 |
| 2014 | 4 | 9 |
| 2015 | 9 | 9 |
| 2016 | 6 | 9 |
| 2017 | 11 | 8 |
| 2018 | 6 | 19 |
| 2019 | 6 | 9 |
| 2020 | 16 | 3 |
| 2021 | 3 | 10 |
| 2022 | 8 | 10 |
| 2023 | 5 | 6 |
| 2024 | 2 | 12 |
| 2025 | 6 | 20 |
| 2026 | 1 | 16 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Centralized hydrocarbon treatment in a polymer production process21 Apr 2026US 12,606,648 B2Chevron Phillips Chemical Company LP
- Process for recycling polyethylene terephthalate determined by intrinsic viscosity of polyethylene terephthalate16 Dec 2025US 12,496,749 B2Revalyu Resources GmbH
- Process for recycling polyethylene terephthalate using a washing reactor14 Oct 2025US 12,441,862 B2Revalyu Resources GmbH
- Process for recycling polyethylene terephthalate using different mono-ethylene glycol levels14 Oct 2025US 12,441,863 B2Revalyu Resources GmbH
- Recycling process for the recovery of cotton from polyester-cotton fabrics and/or fibers3 Jun 2025US 12,319,792 B2Taclov, LLC
- Ethylene / propylene recycle through copolymer polypropylene gas phase reactor system increasing monomer efficiency13 Aug 2026US 2026/0234296 A1Braskem America, Inc.
- Polyamide recovery method and polyamide recovery system30 Jul 2026US 2026/0217937 A1Honda Motor Co., Ltd.
- Method for removal of plasticizer from a polymeric material23 Jul 2026US 2026/0209460 A1Base SE
- Method for manufacturing a polyvinyl chloride products23 Jul 2026US 2026/0209463 A1Unilin BV
- Ethylene / propylene recycle through copolymer polypropylene gas phase reactor system increasing monomer efficiency16 Jul 2026US 2026/0201079 A1Braskem America, Inc.
Most cited
By later US patents
- Method for recycling waste plastic material containing styrene polymer39US 5,824,709 A1998
- Method for concentrating solution36US 7,276,139 B2FUJIFILM Corporation · 2007
- Processes of spray drying polymer-containing dispersions, water-in-oil emulsions and water-in-oil microemulsions26US 5,849,862 ACytec Technology Corp. · 1998
- Magnetron solvent recovery system25US 4,313,786 A1982
- Use of membranes for ethylene recovery in polymerization processes18US 4,623,704 AThe Dow Chemical Company · 1986