D06M 13/432
Urea, thiourea or derivatives thereof
Official title: Urea, thiourea or derivatives thereof, e.g. biurets; Urea-inclusion compounds; Dicyanamides; {Carbodiimides;} Guanidines, e.g. dicyandiamides
D06M13/432 (Urea, thiourea or derivatives thereof) appears on 189 US grants and 162 published applications in this corpus.
Search patents in D06M- Granted patents
- 189
- Published applications
- 162
- Assignees
- 146
- Inventors
- 489
- Latest grant
- 28 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 7 | 0 |
| 1978 | 4 | 0 |
| 1979 | 3 | 0 |
| 1980 | 3 | 0 |
| 1981 | 4 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 4 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 5 | 0 |
| 1994 | 5 | 0 |
| 1995 | 5 | 0 |
| 1996 | 4 | 0 |
| 1997 | 9 | 0 |
| 1998 | 10 | 0 |
| 1999 | 10 | 0 |
| 2000 | 5 | 0 |
| 2001 | 7 | 8 |
| 2002 | 9 | 7 |
| 2003 | 5 | 6 |
| 2004 | 7 | 6 |
| 2005 | 2 | 5 |
| 2006 | 4 | 10 |
| 2007 | 2 | 3 |
| 2008 | 0 | 7 |
| 2009 | 2 | 8 |
| 2010 | 1 | 6 |
| 2011 | 3 | 6 |
| 2012 | 2 | 5 |
| 2013 | 3 | 8 |
| 2014 | 4 | 6 |
| 2015 | 4 | 5 |
| 2016 | 4 | 5 |
| 2017 | 1 | 2 |
| 2018 | 5 | 11 |
| 2019 | 6 | 8 |
| 2020 | 7 | 14 |
| 2021 | 6 | 5 |
| 2022 | 3 | 7 |
| 2023 | 2 | 5 |
| 2024 | 3 | 5 |
| 2025 | 3 | 2 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- High-efficiency flame-retardant, light, thin and soft multi-fiber blended fabric and preparation method thereof28 Apr 2026US 12,612,715 B2Xinxiang Xinke Protective Technology Co ., Ltd
- Synergistic flame retardant compositions and fiber blends including the same19 Aug 2025US 12,391,838 B2U.S. Government as represented by the Secretary of the Army
- Flame retardant compositions with low formaldehyde content3 Jun 2025US 12,320,062 B2Energy Solutions (US) LLC
- Modified fibroin fibers14 Jan 2025US 12,195,883 B2Spiber Inc.
- Product having ultraviolet radiation protection27 Aug 2024US 12,071,548 B2The Sweet Living Group, LLC
- System and apparatus for manufacturing insulation made from hemp, and product made therefrom23 Jul 2026US 2026/0209994 A1Knauf Insulation, Inc.
- Injection molded body and method for producing same, method for producing composite fiber, cnt-attached carbon fiber and method for producing same, and method for producing carbon fiber composite15 Jan 2026US 2026/0014739 A1Nitta Corporation
- Fiber, fiber formed body and fiber product4 Dec 2025US 2025/0369159 A1ES Indorama Ventures Co., Ltd.
- Composite fiber and method for manufacturing the same13 Nov 2025US 2025/0347032 A1Hyundai Motor Company
- Product having ultraviolet radiation protection19 Dec 2024US 2024/0417565 A1
Most cited
By later US patents
- Triclosan and silver compound containing medical devices99US 6,224,579 B1The Trustees of Columbia University in the City of New York · 2001
- Fluorochemical biuret compositions and fibrous substrates treated therewith69US 4,668,406 AMinnesota Mining and Manufacturing Company · 1987
- Polymeric polycarboxylic acid crosslinked cellulosic fibers68US 5,998,511 AWeyerhaeuser Company · 1999
- Fibre treatment method54US 5,580,356 ACourtaulds Fibres (Holdings) Limited · 1996
- Durable and regenerable microbiocidal textiles54US 5,882,357 AThe Regents of the University of California · 1999