C11D 7/3218
Alkanolamines or alkanolimines
Official title: {Alkanolamines or alkanolimines}
C11D7/3218 (Alkanolamines or alkanolimines) appears on 344 US grants and 382 published applications in this corpus.
Search patents in C11D- Granted patents
- 344
- Published applications
- 382
- Assignees
- 175
- Inventors
- 835
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 4 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 5 | 0 |
| 1995 | 10 | 0 |
| 1996 | 7 | 0 |
| 1997 | 6 | 0 |
| 1998 | 4 | 0 |
| 1999 | 13 | 0 |
| 2000 | 13 | 0 |
| 2001 | 19 | 11 |
| 2002 | 16 | 21 |
| 2003 | 12 | 18 |
| 2004 | 9 | 18 |
| 2005 | 8 | 25 |
| 2006 | 15 | 19 |
| 2007 | 9 | 18 |
| 2008 | 8 | 16 |
| 2009 | 9 | 12 |
| 2010 | 10 | 15 |
| 2011 | 9 | 9 |
| 2012 | 9 | 9 |
| 2013 | 11 | 16 |
| 2014 | 9 | 11 |
| 2015 | 13 | 13 |
| 2016 | 8 | 15 |
| 2017 | 10 | 11 |
| 2018 | 9 | 9 |
| 2019 | 10 | 19 |
| 2020 | 13 | 13 |
| 2021 | 10 | 6 |
| 2022 | 14 | 24 |
| 2023 | 6 | 14 |
| 2024 | 8 | 14 |
| 2025 | 9 | 14 |
| 2026 | 5 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Cleaning compositions16 Jun 2026US 12,655,367 B2Fujifilm Electronic Materials U.S.A., Inc.
- Composition for semiconductor processing and processing method10 Mar 2026US 12,570,929 B2Jsr Corporation
- Composition for semiconductor processing and processing method10 Mar 2026US 12,570,933 B2Jsr Corporation
- Microelectronic device cleaning composition24 Feb 2026US 12,559,704 B2Entegris, Inc.
- Reactor cleaning process and composition20 Jan 2026US 12,529,019 B2G-3 Chickadee Purchaser, LLC
- Cleaning composition and method of forming photoresist pattern using the same1 Oct 2026US 2026/0297469 A1Dongwoo Fine-Chem Co., Ltd.
- Treatment liquid, cleaning method for object to be treated, and manufacturing method of electronic device13 Aug 2026US 2026/0234507 A1FUJIFILM Corporation
- Enzymatic cleaner for an automated clinical analyzer and methods of use thereof13 Aug 2026US 2026/0234511 A1Siemens Healthcare Diagnostics Inc.
- Oxidized iron surface scale remover30 Jul 2026US 2026/0218086 A1W. M. Barr & Company
- Oxidized iron surface scale remover30 Jul 2026US 2026/0218389 A1W. M. Barr & Company
Most cited
By later US patents
- 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
- Method for cleaning a gate stack122US 7,396,773 B1Cypress Semiconductor Corporation · 2008
- Stripping composition and method of using the same114US 4,617,251 AOlin Hunt Specialty Products Inc. · 1986