C08G 63/88
Post-polymerisation treatment
C08G63/88 (Post-polymerisation treatment) appears on 511 US grants and 483 published applications in this corpus.
Search patents in C08G- Granted patents
- 511
- Published applications
- 483
- Assignees
- 325
- Inventors
- 1,351
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 3 | 0 |
| 1979 | 6 | 0 |
| 1980 | 7 | 0 |
| 1981 | 3 | 0 |
| 1982 | 6 | 0 |
| 1983 | 5 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 3 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 5 | 0 |
| 1991 | 3 | 0 |
| 1992 | 6 | 0 |
| 1993 | 6 | 0 |
| 1994 | 10 | 0 |
| 1995 | 9 | 0 |
| 1996 | 16 | 0 |
| 1997 | 18 | 0 |
| 1998 | 23 | 0 |
| 1999 | 15 | 0 |
| 2000 | 20 | 0 |
| 2001 | 17 | 3 |
| 2002 | 13 | 12 |
| 2003 | 5 | 7 |
| 2004 | 9 | 12 |
| 2005 | 8 | 27 |
| 2006 | 13 | 28 |
| 2007 | 14 | 22 |
| 2008 | 8 | 16 |
| 2009 | 14 | 16 |
| 2010 | 11 | 21 |
| 2011 | 20 | 27 |
| 2012 | 13 | 13 |
| 2013 | 11 | 14 |
| 2014 | 15 | 13 |
| 2015 | 11 | 14 |
| 2016 | 17 | 26 |
| 2017 | 16 | 19 |
| 2018 | 17 | 20 |
| 2019 | 17 | 20 |
| 2020 | 10 | 22 |
| 2021 | 19 | 22 |
| 2022 | 18 | 21 |
| 2023 | 13 | 15 |
| 2024 | 9 | 23 |
| 2025 | 9 | 25 |
| 2026 | 10 | 25 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Piezoelectric polylactic acid material and preparation method and application thereof22 Sep 2026US 12,742,038 B2Ningbo Michi Technology Co., Ltd.
- Method and system for efficient catalyst-free alcoholysis of waste polyester8 Sep 2026US 12,729,282 B1JS Royal Home USA, Inc.
- Build materials for additive manufacturing applications11 Aug 2026US 12,703,771 B2Eastman Chemical Company
- Polyester resin blend21 Apr 2026US 12,606,668 B2SK Chemicals Co., Ltd.
- Absorbable poly(p-dioxanone) pellets made from slow-to-crystallize ground resin and its fines7 Apr 2026US 12,594,692 B2Cilag GmbH International
- Method for depolymerizing polyester1 Oct 2026US 2026/0297285 A1Kirin Holdings Kabushiki Kaisha
- Decomposition method for polyester-based resin and decomposition apparatus for polyester-based resin17 Sep 2026US 2026/0275071 A1Nitto Denko Corporation
- Methods for manufacturing biomaterial-based materials via extrusion17 Sep 2026US 2026/0275085 A1The Fynder Group, Inc.
- Polymer compound and method for decomposing same, plastic product containing said polymer compound, fiber-reinforced plastic and method for recovering fibers contained therein, and method for producing polyester, polyurethane, or polycarbonate20 Aug 2026US 2026/0242564 A1Kanagawa University
- Reduced crystallinity polymers for biodegradation13 Aug 2026US 2026/0234356 A1Battelle Memorial Institute
Most cited
By later US patents
- Paper having a melt-stable lactide polymer coating and process for manufacture thereof244US 5,475,080 ACargill, Incorporated · 1995
- Melt-stable amorphous lactide polymer film and process for manufacturing thereof217US 5,484,881 ACargill, Incorporated · 1996
- Melt-stable semi-crystalline lactide polymer film and process for manufacture thereof191US 5,536,807 ACargill, Incorporated · 1996
- Synthetic fiber181US 6,135,987 AKimberly-Clark Worldwide, Inc. · 2000
- Method of post-polymerization stabilization of high activity catalysts in continuous polyethylene terephthalate production155US 5,898,058 AWellman, Inc. · 1999