C08L 61/18
Condensation polymers of aldehydes or ketones with aromatic hydrocarbons or their halogen
Official title: Condensation polymers of aldehydes or ketones with aromatic hydrocarbons or their halogen derivatives only
C08L61/18 (Condensation polymers of aldehydes or ketones with aromatic hydrocarbons or their halogen) appears on 32 US grants and 33 published applications in this corpus.
Search patents in C08L- Granted patents
- 32
- Published applications
- 33
- Assignees
- 30
- Inventors
- 121
- Latest grant
- 17 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 3 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 1 |
| 2005 | 1 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 2 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 0 | 1 |
| 2012 | 0 | 1 |
| 2013 | 1 | 0 |
| 2014 | 2 | 3 |
| 2015 | 4 | 2 |
| 2016 | 0 | 3 |
| 2017 | 0 | 1 |
| 2018 | 4 | 0 |
| 2019 | 1 | 0 |
| 2020 | 1 | 4 |
| 2021 | 2 | 2 |
| 2022 | 1 | 0 |
| 2023 | 3 | 3 |
| 2024 | 0 | 2 |
| 2025 | 1 | 2 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Fluoropolymer-containing composite materials and methods17 Feb 2026US 12,552,881 B2The Florida State University Research Foundation, Inc.
- Epoxy resin composition and cured product of same2 Sep 2025US 12,404,363 B2Mitsubishi Gas Chemical Company, Inc.
- Transient polymer blends3 Oct 2023US 11,773,252 B1MORSECORP, Inc.
- Process for preparing particles of aromatic polymers, particles obtainable by said process and their uses27 Jun 2023US 11,685,829 B2Solvay Specialty Polymers USA, LLC
- Proton exchange membrane material and methods of making the same4 Apr 2023US 11,621,433 B2Rensselaer Polytechnic Institute
- Proton exchange membrane material and methods of making the same30 Jul 2026US 2026/0221480 A1Rensselaer Polytechnic Institute
- Resin composition, prepreg, film with resin, metal foil with resin, metal-clad laminate, and wiring board16 Jul 2026US 2026/0201158 A1Panasonic Intellectual Property Management Co., Ltd.
- Release agent composition for photoirradiation release, laminate, and method for producing processed semiconductor substrate8 Jan 2026US 2026/0011598 A1Nissan Chemical Corporation
- Fluoropolymer-Containing Composite Materials and Methods27 Nov 2025US 2025/0361342 A1The Florida State University Research Foundation, Inc.
- Epoxy resin composition and cured product of same29 May 2025US 2025/0171581 A1Mitsubishi Gas Chemical Company, Inc.
Most cited
By later US patents
- Seal and seal assembly for well tools77US 4,753,444 AOtis Engineering Corporation · 1988
- Pressure-sensitive adhesive composition13US 4,152,309 ANitto Electric Industrial Co., Ltd. · 1979
- Plastics composition9US 4,207,224 ACiba-Geigy Corporation · 1980
- Proton exchange membrane material and methods of making the same7US 11,621,433 B2Rensselaer Polytechnic Institute · 2023
- Resin composition containing polyphenylene oxide7US 4,153,644 AMitsubishi Gas Chemical Company, Inc. · 1979