C08J 9/02
Working-up of macromolecular substances to porous or cellular articles or materials: using
Official title: using blowing gases generated by the reacting monomers or modifying agents during the preparation or modification of macromolecules
C08J9/02 (Working-up of macromolecular substances to porous or cellular articles or materials: using) appears on 366 US grants and 193 published applications in this corpus.
Search patents in C08J- Granted patents
- 366
- Published applications
- 193
- Assignees
- 194
- Inventors
- 764
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 5 | 0 |
| 1978 | 7 | 0 |
| 1979 | 4 | 0 |
| 1980 | 10 | 0 |
| 1981 | 17 | 0 |
| 1982 | 16 | 0 |
| 1983 | 11 | 0 |
| 1984 | 11 | 0 |
| 1985 | 10 | 0 |
| 1986 | 16 | 0 |
| 1987 | 9 | 0 |
| 1988 | 6 | 0 |
| 1989 | 19 | 0 |
| 1990 | 7 | 0 |
| 1991 | 8 | 0 |
| 1992 | 14 | 0 |
| 1993 | 9 | 0 |
| 1994 | 10 | 0 |
| 1995 | 13 | 0 |
| 1996 | 8 | 0 |
| 1997 | 7 | 0 |
| 1998 | 13 | 0 |
| 1999 | 5 | 0 |
| 2000 | 3 | 0 |
| 2001 | 5 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 2 |
| 2004 | 1 | 0 |
| 2005 | 1 | 0 |
| 2006 | 0 | 2 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 1 | 4 |
| 2010 | 2 | 5 |
| 2011 | 2 | 5 |
| 2012 | 1 | 6 |
| 2013 | 5 | 6 |
| 2014 | 6 | 17 |
| 2015 | 7 | 13 |
| 2016 | 9 | 16 |
| 2017 | 4 | 1 |
| 2018 | 9 | 16 |
| 2019 | 8 | 9 |
| 2020 | 12 | 14 |
| 2021 | 6 | 4 |
| 2022 | 7 | 23 |
| 2023 | 7 | 15 |
| 2024 | 10 | 17 |
| 2025 | 10 | 12 |
| 2026 | 4 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Chemically modified shape memory polymer embolic foams with increased X-ray visualization19 May 2026US 12,630,664 B2The Texas A&M University System
- Foamable silicone composition and the use thereof5 May 2026US 12,617,915 B2Wacker Chemie AG
- Method for producing an intrinsically foamed polyamide and a shaped article therefrom10 Feb 2026US 12,545,772 B2BASF SE
- Self-blowing isocyanate-free polyurethane foams23 Dec 2025US 12,503,552 B2Universite De Liege
- Organopolysiloxane composition with filler16 Jul 2026US 2026/0201120 A1Dow Silicones Corporation
- Low density organopolysiloxane foam with filler2 Jul 2026US 2026/0184873 A1Dow Silicones Corporation
- Ecofriendly polyurethane foams blown with aldehyde compounds and aldehyde adducts of diels-alder reactions and a method of manufacturing the same11 Jun 2026US 2026/0159661 A1NWT Co., LTD
- Foamed-resin-formable composition, polyurea-based resin foam body, and polyurea-based resin foam body production method15 Jan 2026US 2026/0015451 A1Mitsubishi Gas Chemical Company, Inc.
- Silicone foam-forming compositions and silicone foams made therefrom18 Dec 2025US 2025/0382460 A1W. R. Meadows, Inc.
Most cited
By later US patents
- Foam substrate and micropackaged active ingredient particle composite dispensing materials1,078US 4,828,542 ATwin Rivers Engineering · 1989
- Broken-down organic lignin-cellulose silicate polymers85US 4,313,857 A1982
- Process for preparing soft flexible polyurethane foams and a polyol composition useful in said process73US 5,124,369 AShell Oil Company · 1992
- Foamed polymeric materials65US 4,529,739 AThe Dow Chemical Company · 1985
- Resilient hydrophobic foamed polymer63US 4,266,043 AToyo Rubber Chemical Industrial Corporation · 1981