C04B 35/63488
Polyethers
Official title: {Polyethers, e.g. alkylphenol polyglycolether, polyethylene glycol [PEG], polyethylene oxide [PEO]}
C04B35/63488 (Polyethers) appears on 295 US grants and 397 published applications in this corpus.
Search patents in C04B- Granted patents
- 295
- Published applications
- 397
- Assignees
- 299
- Inventors
- 1,112
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 7 | 0 |
| 1991 | 9 | 0 |
| 1992 | 4 | 0 |
| 1993 | 5 | 0 |
| 1994 | 4 | 0 |
| 1995 | 1 | 0 |
| 1996 | 4 | 0 |
| 1997 | 7 | 0 |
| 1998 | 4 | 0 |
| 1999 | 7 | 0 |
| 2000 | 1 | 0 |
| 2001 | 4 | 1 |
| 2002 | 1 | 2 |
| 2003 | 5 | 4 |
| 2004 | 1 | 5 |
| 2005 | 0 | 10 |
| 2006 | 2 | 10 |
| 2007 | 6 | 13 |
| 2008 | 1 | 17 |
| 2009 | 5 | 18 |
| 2010 | 8 | 14 |
| 2011 | 13 | 11 |
| 2012 | 14 | 34 |
| 2013 | 11 | 25 |
| 2014 | 14 | 12 |
| 2015 | 12 | 13 |
| 2016 | 14 | 7 |
| 2017 | 14 | 16 |
| 2018 | 7 | 26 |
| 2019 | 8 | 25 |
| 2020 | 14 | 20 |
| 2021 | 14 | 25 |
| 2022 | 15 | 24 |
| 2023 | 8 | 16 |
| 2024 | 16 | 19 |
| 2025 | 18 | 18 |
| 2026 | 6 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Aqueous suspension containing metal carbide particles12 May 2026US 12,623,971 B2Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e. V.
- Prepreg for ceramic matrix composite12 May 2026US 12,623,972 B2Saint-Gobain Centre De Recherches Et D ' Etudes Europeen
- Method for manufacturing a part made of carbon/carbon composite material with improved mechanical properties17 Mar 2026US 12,577,173 B2Safran Landing Systems
- Metal oxide ceramic nanomaterials and methods of making and using same24 Feb 2026US 12,559,428 B2Ivoclar Vivadent AG
- Solid-phase-sintered silicon carbide article and preparation method thereof17 Feb 2026US 12,552,718 B2Nantong Sanzer Precision Ceramics Co., Ltd.
- Formulation and method for preparing flexible ceramic nanofibers for thermal insulation applications20 Aug 2026US 2026/0242295 A1
- Formulation for the preparation of optical metal oxide layers23 Jul 2026US 2026/0209123 A1B. G. Negev Technologies and Applications Ltd.
- A tube furnace for the use in a sintering and/or debinding process16 Jul 2026US 2026/0199973 A1BASF SE
- Chromium oxide refractory object and methods of forming thereof2 Jul 2026US 2026/0184641 A1Saint-Gobain Ceramics & Plastics, Inc.
- Composition for directly producing a ceramic matrix composite material25 Jun 2026US 2026/0176209 A1
Most cited
By later US patents
- Solid freeform fabrication methods283US 5,738,817 ARutgers, The State University · 1998
- Method of powder injection molding271US 5,950,063 AThermat Precision Technology, Inc. · 1999
- Solid freeform fabrication methods223US 5,900,207 ARutgers, the State University Old Queens · 1999
- Coatable thermally curable binder presursor solutions modified with a reactive diluent, abrasive articles incorporating same, and methods of making said abrasive articles110US 5,178,646 AMinnesota Mining and Manufacturing Company · 1993
- Process for producing shrinkage-matched ceramic composites85US 6,576,182 B1Institut fuer Neue Materialien gemeinnuetzige GmbH · 2003