D06P 1/6491
Urea or derivatives
Official title: {(Thio)urea or (cyclic) derivatives}
D06P1/6491 (Urea or derivatives) appears on 33 US grants and 29 published applications in this corpus.
Search patents in D06P- Granted patents
- 33
- Published applications
- 29
- Assignees
- 33
- Inventors
- 90
- Latest grant
- 2 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 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 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 4 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 1 |
| 2002 | 1 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 1 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 2 |
| 2008 | 0 | 0 |
| 2009 | 0 | 2 |
| 2010 | 0 | 1 |
| 2011 | 0 | 2 |
| 2012 | 0 | 0 |
| 2013 | 3 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 1 |
| 2017 | 1 | 2 |
| 2018 | 0 | 2 |
| 2019 | 0 | 1 |
| 2020 | 2 | 1 |
| 2021 | 0 | 1 |
| 2022 | 1 | 3 |
| 2023 | 2 | 4 |
| 2024 | 2 | 2 |
| 2025 | 2 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Ink jet textile-printing ink composition, recording method, and recorded material2 Dec 2025US 12,486,415 B2Seiko Epson Corporation
- Polyamide coating slurry and its preparing method, and process for preparing polyamide-coated fabric for printing20 May 2025US 12,305,045 B2Zhejiang King Label Technology Co., Ltd.
- Advancement of exhaustion, migration, adsorption and fixation of dyestuff to the cellulose materials16 Jul 2024US 12,037,743 B2
- Environmentally dyeing process for cellulosic products13 Feb 2024US 11,898,307 B2
- Method for manufacturing intelligent designed digital printing fabric with energy saving effect14 Nov 2023US 11,814,787 B2Zhejiang Furun Dyeing and Printing Co., Ltd.
- Indigo-free fabric with denim visual appearance19 Jun 2025US 2025/0198081 A1Swiss Performance Chemicals AG
- Formaldehyde-free, aqueous composition for discharge printing of fabric22 Feb 2024US 2024/0060236 A1Archroma IP GmbH
- Polyamide coating slurry and its preparing method, and process for preparing polyamide-coated fabric for printing11 Jan 2024US 2024/0010858 A1Wenzhou Polytechnic
- Ink Jet Textile-Printing Ink Composition, Recording Method, And Recorded Material24 Aug 2023US 2023/0265304 A1Seiko Epson Corporation
- Method for manufacturing intelligent designed digital printing fabric with energy saving effect4 May 2023US 2023/0135741 A1Zhejiang Furun Dyeing and Printing Co., Ltd.
Most cited
By later US patents
- Method for using urea hydrochloride45US 5,672,279 APeach State Labs, Inc. · 1997
- Lowering of the pH of textile processing solutions by adding urea sulfate as a pH adjusting agent28US 5,234,466 APeach State Labs, Inc. · 1993
- Process for the preparation of hydroxyapatite25US 5,405,436 ABK Ladenburg GmbH Gesellschaft fur Chemische Erzeugnisses · 1995
- Method for adjusting pH in textile processing solutions with urea hydrochloride salt18US 5,616,151 APeach State Labs, Inc. · 1997
- Ink-jet printing cloth, ink-jet printing process and production process of print16US 5,867,197 ACanon Kabushiki Kaisha · 1999