C11D 1/50
Derivatives of urea, thiourea, cyanamide, guanidine or urethanes
C11D1/50 (Derivatives of urea, thiourea, cyanamide, guanidine or urethanes) appears on 25 US grants and 9 published applications in this corpus.
Search patents in C11D- Granted patents
- 25
- Published applications
- 9
- Assignees
- 19
- Inventors
- 52
- Latest grant
- 6 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 4 | 0 |
| 2000 | 4 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 2 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 1 | 1 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 0 |
| 2020 | 1 | 2 |
| 2021 | 0 | 0 |
| 2022 | 1 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Multi-surfactant system electrostatically coupled to a cellulose nanocrystal comprising a cetrimonium chloride/fatty acid surfactant mixture6 Jan 2026US 12,516,268 B2The Penn State Research Foundation
- Aqueous cleaning composition comprising an ethoxylated alcohol/ethoxylated cationic surfactant mixture1 Mar 2022US 11,261,405 B2Guard It Solutions Pty Ltd
- Multi-surfactant systems comprising lauric arginate ethyl ester and fatty acid4 Feb 2020US 10,550,353 B2The Penn State Research Foundation
- Tensio-active glucoside urethanes9 Nov 2010US 7,829,599 B2Tiense Suikerraffinaderij N.V.
- Tensio-active glucoside urethanes3 Feb 2009US 7,485,689 B2Tiense Suikerraffinaderij N.V.
- Multi-Surfactant Systems16 Jul 2026US 2026/0201272 A1The Penn State Research Foundation
- Aqueous cleaning compositions and the use thereof15 Oct 2020US 2020/0325417 A1Guard It Solutions Pty Ltd
- Multi-Surfactant Systems21 May 2020US 2020/0157467 A1The Penn State Research Foundation
- Multi-surfactant systems24 May 2018US 2018/0142184 A1The Penn State Research Foundation
- Antiviral use of cationic surfactant31 Dec 2009US 2009/0326031 A1Novacyt
Most cited
By later US patents
- Compositions comprising glycacarbamate and glycaurea compounds74US 5,880,076 ALever Brothers Company, Division of Conopco, Inc. · 1999
- Aqueous cleaning and disinfecting compositions which include quaternary ammonium compounds, block copolymer surfactants and further mitigating compounds which compositions feature reduced irritation50US 6,017,869 AReckitt & Colman Inc. · 2000
- Fabric softening agents32US 4,025,444 AThe Procter & Gamble Company · 1977
- Microemulsion light duty liquid cleaning comnpositions32US 5,580,848 AColgate-Palmolive Company · 1996
- Microemulsion light duty liquid cleaning compositions17US 5,529,723 AColgate-Palmolive Company · 1996