C08J 2369/00
Working-up: characterised by the use of polycarbonates
Official title: Characterised by the use of polycarbonates; Derivatives of polycarbonates
C08J2369/00 (Working-up: characterised by the use of polycarbonates) appears on 1,000 US grants and 1,295 published applications in this corpus.
Search patents in C08J- Granted patents
- 1,000
- Published applications
- 1,295
- Assignees
- 509
- Inventors
- 3,319
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 4 | 0 |
| 1978 | 3 | 0 |
| 1979 | 4 | 0 |
| 1980 | 23 | 0 |
| 1981 | 9 | 0 |
| 1982 | 8 | 0 |
| 1983 | 16 | 0 |
| 1984 | 9 | 0 |
| 1985 | 16 | 0 |
| 1986 | 9 | 0 |
| 1987 | 5 | 0 |
| 1988 | 15 | 0 |
| 1989 | 8 | 0 |
| 1990 | 14 | 0 |
| 1991 | 10 | 0 |
| 1992 | 11 | 0 |
| 1993 | 11 | 0 |
| 1994 | 7 | 0 |
| 1995 | 12 | 0 |
| 1996 | 8 | 0 |
| 1997 | 10 | 0 |
| 1998 | 6 | 0 |
| 1999 | 13 | 0 |
| 2000 | 8 | 0 |
| 2001 | 8 | 1 |
| 2002 | 7 | 5 |
| 2003 | 7 | 21 |
| 2004 | 12 | 14 |
| 2005 | 4 | 21 |
| 2006 | 8 | 23 |
| 2007 | 9 | 27 |
| 2008 | 8 | 21 |
| 2009 | 11 | 28 |
| 2010 | 17 | 30 |
| 2011 | 10 | 32 |
| 2012 | 23 | 46 |
| 2013 | 26 | 47 |
| 2014 | 37 | 56 |
| 2015 | 30 | 96 |
| 2016 | 49 | 90 |
| 2017 | 60 | 91 |
| 2018 | 52 | 64 |
| 2019 | 60 | 84 |
| 2020 | 58 | 87 |
| 2021 | 44 | 78 |
| 2022 | 51 | 90 |
| 2023 | 44 | 59 |
| 2024 | 48 | 63 |
| 2025 | 43 | 76 |
| 2026 | 32 | 45 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Waste plastic recycling process29 Sep 2026US 12,747,332 B2LG Chem.Ltd.
- Method for manufacturing continuous fiber-reinforced thermoplastic resin sheet22 Sep 2026US 12,741,399 B2Mitsubishi Gas Chemical Company, Inc.
- Multi-layer composite article including polyurethane layer and PC/ABS layer1 Sep 2026US 12,722,363 B2Trinseo Europe GmbH
- Method for the production of cellular plastic particles25 Aug 2026US 12,715,162 B2FOX Velution GmbH
- Method for the production of cellular plastic particles25 Aug 2026US 12,715,163 B2FOX Velution GmbH
- Laminate for thermoforming24 Sep 2026US 2026/0286078 A1Mitsubishi Gas Chemical Company, Inc.
- Use of Thermolatent Catalyst to Improve Properties of Single-Layer Polyurethane Coatings17 Sep 2026US 2026/0275062 A1Covestro Deutschland AG
- Method for producing re-expandable polycarbonate beads, and corresponding polycarbonate beads17 Sep 2026US 2026/0275064 A1Covestro Deutschland AG
- Method for producing polycarbonate beads17 Sep 2026US 2026/0275065 A1Covestro Deutschland AG
- Polycarbonate foam material, precursor composition and kit thereof10 Sep 2026US 2026/0265457 A1Basque Center for Macromolecular Design and Engineering, Polymat Fundazioa
Most cited
By later US patents
- Process of coating a substrate with an abrasion resistant ultraviolet curable composition154US 4,478,876 AGeneral Electric Company · 1984
- Photocurable acrylic coating composition142US 4,902,725 AGeneral Electric Company · 1990
- Process for improving impact resistance of coated plastic substrates131US 5,316,791 ASDC Coatings, Inc. · 1994
- Method of coloring polycarbonate extruded or molded products for optical members129US 5,116,547 AMitsubishi Gas Chemical Company, Inc. · 1992
- Process for the preparation of modified polycarbonate molding compositions84US 4,367,186 ABayer Aktiengesellschaft · 1983