A01N 47/44
Guanidine
Official title: Guanidine; Derivatives thereof
A01N47/44 (Guanidine) appears on 733 US grants and 842 published applications in this corpus.
Search patents in A01N- Granted patents
- 733
- Published applications
- 842
- Assignees
- 501
- Inventors
- 1,939
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 3 | 0 |
| 1978 | 6 | 0 |
| 1979 | 2 | 0 |
| 1980 | 5 | 0 |
| 1981 | 3 | 0 |
| 1982 | 3 | 0 |
| 1983 | 5 | 0 |
| 1984 | 4 | 0 |
| 1985 | 7 | 0 |
| 1986 | 9 | 0 |
| 1987 | 15 | 0 |
| 1988 | 15 | 0 |
| 1989 | 14 | 0 |
| 1990 | 17 | 0 |
| 1991 | 14 | 0 |
| 1992 | 13 | 0 |
| 1993 | 13 | 0 |
| 1994 | 9 | 0 |
| 1995 | 13 | 0 |
| 1996 | 11 | 0 |
| 1997 | 17 | 0 |
| 1998 | 19 | 0 |
| 1999 | 11 | 0 |
| 2000 | 10 | 0 |
| 2001 | 11 | 5 |
| 2002 | 11 | 12 |
| 2003 | 11 | 27 |
| 2004 | 12 | 21 |
| 2005 | 10 | 16 |
| 2006 | 8 | 20 |
| 2007 | 8 | 22 |
| 2008 | 4 | 16 |
| 2009 | 3 | 19 |
| 2010 | 13 | 31 |
| 2011 | 3 | 26 |
| 2012 | 17 | 29 |
| 2013 | 14 | 38 |
| 2014 | 21 | 42 |
| 2015 | 38 | 57 |
| 2016 | 39 | 56 |
| 2017 | 38 | 45 |
| 2018 | 33 | 54 |
| 2019 | 25 | 51 |
| 2020 | 37 | 46 |
| 2021 | 33 | 47 |
| 2022 | 18 | 34 |
| 2023 | 28 | 43 |
| 2024 | 26 | 44 |
| 2025 | 23 | 24 |
| 2026 | 7 | 17 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Antimicrobial compounds based on glucoheptonic acids and their salts29 Sep 2026US 12,746,299 B2Harcros Chemicals Inc.
- Evaporation inhibitor for plant treatment agents7 Jul 2026US 12,672,651 B2Kao Corporation
- Fabric care composition comprising a mixture of cationic biocide, functionalized alkylpoyglycoside, and sulfolaurate salt7 Apr 2026US 12,593,839 B2
- Antimicrobial mixture containing 4-(3-ethoxy-4-hydroxyphenyl)butan-2-one and an arginate compound, and cosmetic composition containing same7 Apr 2026US 12,593,841 B2L'oreal
- Apparatus and method for protecting against microbial hazards17 Mar 2026US 12,575,562 B2Cindy Lynn Favre Revocable Trust
- Compositions and Methods for Coating of Nitrification Inhibitors with a Solution Containing a High Concentration of Urease Inhibitors and For Improved Retention of the Nitrogen Content of Soil Through the Administration of Liquid Delivery Formulations of (Aminomethylene)Phosphinic Acids and/or their Salts1 Oct 2026US 2026/0296987 A1Soilgenic Technologies, LLC
- Evaporation inhibitor for plant treatment agents24 Sep 2026US 2026/0283147 A1Kao Corporation
- Clothianidin compositions and methods of use thereof24 Sep 2026US 2026/0283154 A1Valent U.S.A., LLC
- Compositions Containing Guanidine and 1,2-Benzisothiazoline-3-On10 Sep 2026US 2026/0262642 A1Thor GmbH
- Synergistic Compositions Containing Guanidine10 Sep 2026US 2026/0262647 A1Thor GmbH
Most cited
By later US patents
- Infection-resistant compositions, medical devices and surfaces and methods for preparing and using same910US 5,019,096 AThe Trustees of Columbia University in the City of New York · 1991
- Pressure-sensitive adhesive having a broad spectrum antimicrobial therein322US 4,310,509 AMinnesota Mining and Manufacturing Company · 1982
- Infection-resistant compositions, medical devices and surfaces and methods for preparing and using same309US 5,616,338 AThe Trustees of Columbia University in the City of New York · 1997
- Disinfecting and preserving systems and methods of use134US 4,758,595 ABausch & Lomb Incorporated · 1988
- Method of coating medical devices with a combination of antiseptics and antiseptic coating therefor114US 6,162,487 ABaylor College of Medicine · 2000