C11D 1/58
Heterocyclic compounds
C11D1/58 (Heterocyclic compounds) appears on 92 US grants and 61 published applications in this corpus.
Search patents in C11D- Granted patents
- 92
- Published applications
- 61
- Assignees
- 59
- Inventors
- 216
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 5 | 0 |
| 1989 | 0 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 6 | 0 |
| 1996 | 2 | 0 |
| 1997 | 4 | 0 |
| 1998 | 11 | 0 |
| 1999 | 5 | 0 |
| 2000 | 4 | 0 |
| 2001 | 4 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 2 |
| 2005 | 3 | 4 |
| 2006 | 1 | 4 |
| 2007 | 1 | 2 |
| 2008 | 2 | 2 |
| 2009 | 1 | 3 |
| 2010 | 0 | 2 |
| 2011 | 1 | 0 |
| 2012 | 1 | 2 |
| 2013 | 1 | 1 |
| 2014 | 0 | 2 |
| 2015 | 2 | 3 |
| 2016 | 1 | 5 |
| 2017 | 2 | 0 |
| 2018 | 3 | 3 |
| 2019 | 2 | 3 |
| 2020 | 2 | 2 |
| 2021 | 3 | 4 |
| 2022 | 1 | 1 |
| 2023 | 6 | 2 |
| 2024 | 1 | 4 |
| 2025 | 0 | 7 |
| 2026 | 3 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Multifunctional cleaner comprising a mixture of biochelants and methods of making and using same12 May 2026US 12,624,311 B2Solugen, Inc.
- Water-soluble cleaning agent sheet and preparation method and application method thereof5 May 2026US 12,618,020 B2Guangzhou Joyson Cleaning Products Co., Ltd.
- Epoxidized oil-based surfactant and compositions comprising the same31 Mar 2026US 12,588,676 B2Nouryon Chemicals International B. V.
- Solvent composition and process for removal of asphalt and other contaminant materials2 Apr 2024US 11,946,021 B2United Laboratories International, LLC
- Solvent compositions for removing petroleum residue from a substrate and methods of use thereof22 Aug 2023US 11,732,223 B2Crude Spill Cleaning Co. Inc.
- Silicone and sulfate-free conditioning shampoo23 Apr 2026US 2026/0109915 A1L'oreal
- Cationic Surfactants with Improved pH Stability and Their Use29 Jan 2026US 2026/0028552 A1Locus Solutions Ipco, LLC
- Particulate laundry softening wash additive18 Dec 2025US 2025/0382546 A1The Procter & Gamble Company
- Particulate laundry softening wash additive18 Dec 2025US 2025/0382547 A1The Procter & Gamble Company
- Modified Sophorolipids with Enhanced Defoaming Properties15 May 2025US 2025/0154189 A1Locus Solutions Ipco, LLC
Most cited
By later US patents
- Method for forming a photoresist pattern487US 7,467,632 B2Hynix Semiconductor Inc. · 2008
- Reduced residue hard surface cleaner82US 5,252,245 AThe Clorox Company · 1993
- Surface active lactams72US 5,294,644 AISP Investments Inc. · 1994
- Neutral aqueous cleaning composition67US 5,705,472 APetroferm Inc. · 1998
- Surface active lactams65US 5,093,031 AISP Investments Inc. · 1992