D06M 13/46
Compounds containing quaternary nitrogen atoms
Official title: Compounds containing quaternary nitrogen atoms (hydrazinium compounds D06M13/338; betaines, sulfo-betaines D06M13/342)
D06M13/46 (Compounds containing quaternary nitrogen atoms) appears on 540 US grants and 362 published applications in this corpus.
Search patents in D06M- Granted patents
- 540
- Published applications
- 362
- Assignees
- 296
- Inventors
- 1,390
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 36 | 0 |
| 1977 | 13 | 0 |
| 1978 | 28 | 0 |
| 1979 | 31 | 0 |
| 1980 | 14 | 0 |
| 1981 | 18 | 0 |
| 1982 | 10 | 0 |
| 1983 | 21 | 0 |
| 1984 | 16 | 0 |
| 1985 | 5 | 0 |
| 1986 | 2 | 0 |
| 1987 | 7 | 0 |
| 1988 | 9 | 0 |
| 1989 | 10 | 0 |
| 1990 | 12 | 0 |
| 1991 | 8 | 0 |
| 1992 | 2 | 0 |
| 1993 | 10 | 0 |
| 1994 | 13 | 0 |
| 1995 | 13 | 0 |
| 1996 | 20 | 0 |
| 1997 | 11 | 0 |
| 1998 | 12 | 0 |
| 1999 | 10 | 0 |
| 2000 | 10 | 0 |
| 2001 | 4 | 2 |
| 2002 | 9 | 6 |
| 2003 | 11 | 16 |
| 2004 | 7 | 13 |
| 2005 | 5 | 18 |
| 2006 | 7 | 15 |
| 2007 | 9 | 16 |
| 2008 | 6 | 7 |
| 2009 | 4 | 12 |
| 2010 | 9 | 16 |
| 2011 | 7 | 17 |
| 2012 | 6 | 12 |
| 2013 | 7 | 11 |
| 2014 | 8 | 19 |
| 2015 | 9 | 15 |
| 2016 | 11 | 11 |
| 2017 | 8 | 19 |
| 2018 | 8 | 15 |
| 2019 | 14 | 18 |
| 2020 | 9 | 17 |
| 2021 | 6 | 13 |
| 2022 | 8 | 19 |
| 2023 | 4 | 16 |
| 2024 | 8 | 17 |
| 2025 | 12 | 13 |
| 2026 | 3 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Continuous fibres based on cellulose and/or cellulose derivatives, method for the production thereof and use thereof25 Aug 2026US 12,716,148 B2Centrotherm International AG
- Non-woven fabric containing a disinfecting agent and method for producing the same4 Aug 2026US 12,698,457 B2Glatfelter Gernsbach GmbH
- Anti-propylene mask and method for preparation thereof10 Mar 2026US 12,569,705 B2Nantong Textile & Silk Ind Tech Res Inst
- Synthetic fiber processing agent, and synthetic fiber30 Dec 2025US 12,509,818 B2Takemoto Yushi Kabushiki Kaisha
- Treatment agent for polyester synthetic fibers, composition containing treatment agent for polyester synthetic fibers, first treatment agent for polyester synthetic fibers, second treatment agent for polyester synthetic fibers, composition containing first treatment agent for polyester synthetic fibers, treatment method for polyester synthetic fibers, and polyester synthetic fibers21 Oct 2025US 12,448,728 B2Takemoto Oil & Fat Co., Ltd.
- Textile finishing process13 Aug 2026US 2026/0234863 A1Swiss Performance Chemicals AG
- Textile finishing composition6 Aug 2026US 2026/0226673 A1Swiss Performance Chemicals AG
- Antimicrobial fiber and unwoven fabric using same25 Jun 2026US 2026/0176799 A1ES Indorama Ventures Co., Ltd.
- Bio-ink compositions, environmentally-sensitive objects, and methods of making the same11 Jun 2026US 2026/0159708 A1
- Treatment agent composition for carbon fiber, treatment agent for carbon fiber, method of forming the same and carbon fiber precursor21 May 2026US 2026/0139411 A1Formosa Plastics Corporation
Most cited
By later US patents
- Fabric treatment materials277US 4,137,180 ALever Brothers Company · 1979
- Hair and fabric conditioning compositions containing polymeric ionenes166US 4,157,388 AThe Miranol Chemical Company, Inc. · 1979
- Detergent-compatible fabric softening and antistatic compositions107US 3,936,537 AThe Procter & Gamble Company · 1976
- Antimicrobially active, non-woven web used in a wet wiper101US 4,615,937 AJames River Corporation · 1986
- Production of stable hydrolyzable organosilane solutions88US 5,411,585 AS. C. Johnson & Son, Inc. · 1995