C11D 3/30
Amines
Official title: Amines; Substituted amines {; Quaternized amines}
C11D3/30 (Amines) appears on 1,224 US grants and 1,526 published applications in this corpus.
Search patents in C11D- Granted patents
- 1,224
- Published applications
- 1,526
- Assignees
- 423
- Inventors
- 3,046
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 8 | 0 |
| 1978 | 10 | 0 |
| 1979 | 6 | 0 |
| 1980 | 6 | 0 |
| 1981 | 7 | 0 |
| 1982 | 2 | 0 |
| 1983 | 4 | 0 |
| 1984 | 4 | 0 |
| 1985 | 5 | 0 |
| 1986 | 2 | 0 |
| 1987 | 4 | 0 |
| 1988 | 4 | 0 |
| 1989 | 4 | 0 |
| 1990 | 6 | 0 |
| 1991 | 6 | 0 |
| 1992 | 3 | 0 |
| 1993 | 7 | 0 |
| 1994 | 11 | 0 |
| 1995 | 24 | 0 |
| 1996 | 18 | 0 |
| 1997 | 10 | 0 |
| 1998 | 24 | 0 |
| 1999 | 33 | 0 |
| 2000 | 28 | 0 |
| 2001 | 20 | 10 |
| 2002 | 38 | 28 |
| 2003 | 29 | 34 |
| 2004 | 27 | 28 |
| 2005 | 17 | 47 |
| 2006 | 21 | 35 |
| 2007 | 13 | 42 |
| 2008 | 19 | 29 |
| 2009 | 15 | 22 |
| 2010 | 13 | 39 |
| 2011 | 18 | 37 |
| 2012 | 21 | 26 |
| 2013 | 24 | 46 |
| 2014 | 35 | 43 |
| 2015 | 37 | 84 |
| 2016 | 42 | 83 |
| 2017 | 52 | 112 |
| 2018 | 48 | 101 |
| 2019 | 59 | 93 |
| 2020 | 66 | 96 |
| 2021 | 82 | 92 |
| 2022 | 69 | 97 |
| 2023 | 52 | 84 |
| 2024 | 54 | 88 |
| 2025 | 58 | 80 |
| 2026 | 49 | 50 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Cleaning solution, method for cleaning substrate, and method for manufacturing semiconductor6 Oct 2026US 12,753,366 B2Tokyo Ohka Kogyo.Co., Ltd.
- Dry-wash aerospace cleaning composition6 Oct 2026US 12,753,367 B2Henkel AG & Co. KGaA
- Ambient moisture-activated hard surface treatment powder comprising a carbonate/persalt/sulfonium or phosphonium salt combination29 Sep 2026US 12,747,417 B2Sterilex, LLC
- Polysaccharide derivatives for detergent compositions15 Sep 2026US 12,735,511 B2
- Fabric care agent for color enhancement and brightening and preparation method thereof15 Sep 2026US 12,735,655 B1Guangzhou Joyson Cleaning Products Co., Ltd.
- Cleaning product8 Oct 2026US 2026/0308490 A1The Procter & Gamble Company
- Cleaning composition1 Oct 2026US 2026/0297463 A13M Innovative Properties Company
- Method of formulating laundry detergent for low temperature detergency stability24 Sep 2026US 2026/0286248 A1
- Cleaning Compositions17 Sep 2026US 2026/0275243 A1Fujifilm Electronic Materials U.S.A., Inc.
- Compositions Containing Guanidine and 1,2-Benzisothiazoline-3-On10 Sep 2026US 2026/0262642 A1Thor GmbH
Most cited
By later US patents
- Cleaning solution for photoresist and method for forming pattern using the same470US 7,238,653 B2Hynix Semiconductor Inc. · 2007
- Detergent compositions containing ethoxylated amines having clay soil removal/anti-redeposition properties202US 4,597,898 AThe Proctor & Gamble Company · 1986
- Compact cleaner containing surfactants167US 6,331,518 B2Henkel-Ecolab GmbH & Co. OHG · 2001
- Cleaning compositions for removing etching residue and method of using150US 5,334,332 AEKC Technology, Inc. · 1994
- Post clean treatment composition comprising an organic acid and hydroxylamine137US 5,981,454 AEKC Technology, Inc. · 1999