D06M 13/352
Having five-membered heterocyclic rings
Official title: having five-membered heterocyclic rings
D06M13/352 (Having five-membered heterocyclic rings) appears on 129 US grants and 120 published applications in this corpus.
Search patents in D06M- Granted patents
- 129
- Published applications
- 120
- Assignees
- 108
- Inventors
- 387
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 4 | 0 |
| 1991 | 6 | 0 |
| 1992 | 1 | 0 |
| 1993 | 4 | 0 |
| 1994 | 5 | 0 |
| 1995 | 3 | 0 |
| 1996 | 8 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 8 | 0 |
| 2001 | 2 | 2 |
| 2002 | 6 | 3 |
| 2003 | 5 | 6 |
| 2004 | 3 | 3 |
| 2005 | 1 | 4 |
| 2006 | 2 | 4 |
| 2007 | 0 | 6 |
| 2008 | 4 | 5 |
| 2009 | 2 | 4 |
| 2010 | 5 | 6 |
| 2011 | 3 | 5 |
| 2012 | 1 | 1 |
| 2013 | 2 | 4 |
| 2014 | 1 | 5 |
| 2015 | 1 | 4 |
| 2016 | 2 | 6 |
| 2017 | 6 | 6 |
| 2018 | 3 | 8 |
| 2019 | 6 | 5 |
| 2020 | 5 | 4 |
| 2021 | 3 | 11 |
| 2022 | 1 | 4 |
| 2023 | 0 | 4 |
| 2024 | 5 | 4 |
| 2025 | 4 | 2 |
| 2026 | 1 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Composition containing sizing agent for inorganic fibers and method for producing inorganic fibers18 Aug 2026US 12,709,838 B2Takemoto Oil & Fat Co., Ltd.
- Manufacturing method of zwitterionic resin23 Sep 2025US 12,421,347 B2Taiwan Textile Research Institute
- Methods of making MOFs, systems for synthesizing MOFs, and methods of coating textiles with MOFs29 Jul 2025US 12,371,444 B2University of Virginia Patent Foundation
- Adducts between carbon allotropes and pyrrole derivatives, elastomer mixtures comprising them and tyres comprising such mixtures3 Jun 2025US 12,320,059 B2Pirelli Tyre S. P. A.
- Electrodes for electrochemical capacitors based on surface-modified carbon3 Jun 2025US 12,322,545 B2Eexion Energy Ltd.
- Antibacterial fiber structure and method for producing antibacterial fiber structure3 Sep 2026US 2026/0256138 A1Osaka Kasei Co., Ltd.
- Surface-modified fibers, method for producing same, and molded article using surface-modified fibers23 Jul 2026US 2026/0210032 A1Kuraray Co., Ltd.
- Product for reduction of body odours and application procedure7 May 2026US 2026/0125848 A1Oxylus d.o.o.
- Textile treatment composition for anti-yellowing12 Mar 2026US 2026/0071379 A1Symrise AG
- Filtration member for antiviral air filter5 Jun 2025US 2025/0177897 A1Toray Industries, Inc.
Most cited
By later US patents
- Softening and conditioning fibers with imidazolinium compounds149US 4,720,383 AQuaker Chemical Corporation · 1988
- Use of substituted 2-(2'-hydroxyaryl)-2H-benzotriazolesulfonates as photostabilizing agents for natural and synthetic fibres80US 4,770,667 ABoard of Regents, U T Systems · 1988
- Method and apparatus for making a fibrous electret web using a wetting liquid and an aqueous polar liquid74US 6,406,657 B13M Innovative Properties Company · 2002
- Process for producing antimicrobial fiber72US 5,405,644 AToagosei Chemical Industry Co., Ltd. · 1995
- Modification of polysaccharides by means of a phenol oxidizing enzyme64US 6,660,503 B2Novozymes A/S · 2003