C08J 2469/00
Working-up: characterised by the use of polycarbonates
Official title: Characterised by the use of polycarbonates; Derivatives of polycarbonates
C08J2469/00 (Working-up: characterised by the use of polycarbonates) appears on 143 US grants and 232 published applications in this corpus.
Search patents in C08J- Granted patents
- 143
- Published applications
- 232
- Assignees
- 125
- Inventors
- 657
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 4 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 4 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 3 |
| 2004 | 4 | 2 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 4 | 8 |
| 2008 | 0 | 1 |
| 2009 | 0 | 4 |
| 2010 | 4 | 2 |
| 2011 | 1 | 8 |
| 2012 | 2 | 13 |
| 2013 | 4 | 8 |
| 2014 | 4 | 11 |
| 2015 | 9 | 18 |
| 2016 | 7 | 14 |
| 2017 | 18 | 16 |
| 2018 | 11 | 10 |
| 2019 | 3 | 16 |
| 2020 | 6 | 13 |
| 2021 | 10 | 10 |
| 2022 | 8 | 21 |
| 2023 | 5 | 15 |
| 2024 | 6 | 12 |
| 2025 | 9 | 18 |
| 2026 | 5 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Polymer and preparation thereof, and electrolyte film and preparation thereof22 Sep 2026US 12,744,245 B2Contemporary Amperex Technology (Hong Kong) Limited
- Polycarbonate resin composition and molded articles16 Jun 2026US 12,655,271 B2Idemitsu Kosan Co., Ltd.
- Multilayer articles and methods of making24 Mar 2026US 12,583,164 B2Flex Films (USA) Inc.
- Foam compositions and uses thereof24 Mar 2026US 12,583,991 B2NIKE, Inc.
- Composite body24 Mar 2026US 12,583,992 B2AGC Inc.
- Resin composition, pellets, and molded article6 Aug 2026US 2026/0226270 A1Mitsubishi Chemical Corporation
- Mineral-filled polycarbonate blend moulding composition having a low bpa content, and method for preparing same23 Jul 2026US 2026/0209512 A1Covestro Deutschland AG
- Chemically resistant polycarbonate compositions and articles made therefrom2 Jul 2026US 2026/0184917 A1Shpp Global Technologies B.V.
- Polymer and preparation thereof, and electrolyte film and preparation thereof14 May 2026US 2026/0135147 A1Contemporary Amperex Technology (Hong Kong) Limited
- Polyalkylene carbonate-polyactic acid composite, method of preparing the same, and molded article prepared by using the composite5 Mar 2026US 2026/0062552 A1LG Chem.Ltd.
Most cited
By later US patents
- Methods of forming permeation-resistant, silicone elastomer-containing composite laminates and devices produced thereby156US 4,992,312 ADow Corning Wright Corporation · 1991
- Plastics mouldings finished with a three-layer coating and a process for producing the finish35US 4,456,647 ABayer Aktiengesellschaft · 1984
- Polycarbonate coated films25US 4,475,241 AAmerican Can Company · 1984
- Phosporescent polycarbonate, concentrate and molded articles25US 6,692,659 B2General Electric Company · 2004
- Preparation of additive modified thermoplastic blend21US 4,983,648 AThe Dow Chemical Company · 1991