C04B 35/63484
Urea-formaldehyde condensation polymers
Official title: {Urea-formaldehyde condensation polymers}
C04B35/63484 (Urea-formaldehyde condensation polymers) appears on 7 US grants and 7 published applications in this corpus.
Search patents in C04B- Granted patents
- 7
- Published applications
- 7
- Assignees
- 11
- Inventors
- 25
- Latest grant
- 31 Oct 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 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 | 0 | 1 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 1 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 1 |
| 2019 | 0 | 0 |
| 2020 | 1 | 1 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Method of making flexible ceramic fibers and polymer composite31 Oct 2023US 11,802,351 B2Eurekite Holding B.V.
- Granular material, granular material manufacturing method, three-dimensional laminated and shaped mold manufacturing apparatus, and three-dimensional laminated and shaped mold manufacturing method19 May 2020US 10,654,991 B2Technology Research Association for Future Additive Manufacturing
- Anode material of lithium-ion secondary battery and preparation method thereof3 Sep 2013US 8,524,113 B2Long Time Technology Corp., LTD.
- Method of optimizing composite preparation for electrical properties: maximum capacitance electrodes17 Mar 1992US 5,096,663 AAuburn University
- Process for vacuum-tight sealing of a ceramic tube9 Jan 1990US 4,892,498 AHoechst CeramTec Aktiengesellschaft
- Method of making flexible ceramic fibers and polymer composite8 Oct 2020US 2020/0318257 A1Eyrekjiute Holding B.V.
- Granular material, granular material manufacturing method, three-dimensional laminated and shaped mold manufacturing apparatus, and three-dimensional laminated and shaped mold manufacturing method26 Apr 2018US 2018/0112067 A1Technology Research Association for Future Additive Manufacturing
- Flexible ceramic fibers and polymer composite and method of making the same21 Dec 2017US 2017/0362740 A1Eurekite Holding B.V.
- Graphite-containing molded body and method for the production thereof7 Feb 2013US 2013/0032278 A1Sgl Carbon SE
- Anode material of lithium-ion secondary battery and preparation method thereof29 Mar 2012US 2012/0074610 A1Long Time Technology Corp., LTD.
Most cited
By later US patents
- Method for producing ceramic cellular structure having high cell density70US 4,017,347 AGTE Sylvania Incorporated · 1977
- Method of optimizing composite preparation for electrical properties: maximum capacitance electrodes39US 5,096,663 AAuburn University · 1992
- Process for tapping a steel-making converter14US 4,010,936 AAikoh Co., Ltd. · 1977
- Process for vacuum-tight sealing of a ceramic tube7US 4,892,498 AHoechst CeramTec Aktiengesellschaft · 1990
- Granular material, granular material manufacturing method, three-dimensional laminated and shaped mold manufacturing apparatus, and three-dimensional laminated and shaped mold manufacturing method1US 10,654,991 B2Technology Research Association for Future Additive Manufacturing · 2020