C07F 9/485
Polyphosphonous acids or derivatives
Official title: {Polyphosphonous acids or derivatives}
C07F9/485 (Polyphosphonous acids or derivatives) appears on 19 US grants and 11 published applications in this corpus.
Search patents in C07F- Granted patents
- 19
- Published applications
- 11
- Assignees
- 16
- Inventors
- 51
- Latest grant
- 12 Oct 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 2 | 2 |
| 2004 | 3 | 2 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 2 |
| 2011 | 1 | 0 |
| 2012 | 1 | 1 |
| 2013 | 0 | 1 |
| 2014 | 0 | 1 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Anti-oxidant compounds and compositions12 Oct 2021US 11,142,695 B2
- Regulator molecule25 Aug 2015US 9,115,157 B2Sika Technology AG
- Alkylphosphonous acids, salts and esters, methods for the production thereof, and use of the same23 Oct 2012US 8,293,938 B2Clariant Finance (BVI) Limited
- Ethylenebis(hydroxyalkylphosphinic acid) and salts thereof27 Dec 2011US 8,084,518 B2Clariant Finance (BVI) Limited
- Mixture of a phosphonite with other components15 Nov 2005US 6,964,746 B2Clariant GmbH
- Novel Anti-oxidant Compounds and Compositions17 Jun 2021US 2021/0179938 A1
- Process and catalyst for the electrochemical reduction of carbon dioxide20 Nov 2014US 2014/0339098 A1
- Regulator molecule2 May 2013US 2013/0109819 A1Sika Technology AG
- Ethylene Diphosphinic Acids15 Mar 2012US 2012/0064790 A1Clariant Finance (BVI) Limited
- Alkylphosphonous Acids, Salts and Esters, Methods for the Production Thereof, and Use of the Same29 Jul 2010US 2010/0190901 A1Clariant Finance (BVI) Limited
Most cited
By later US patents
- Polymeric phosphinic acids and salts thereof29US 6,569,974 B1Clariant GmbH · 2003
- Polymeric phosphinic acids and salts thereof26US 6,727,335 B2Clariant GmbH · 2004
- Ethylenebis(hydroxyalkylphosphinic acid) and salts thereof17US 8,084,518 B2Clariant Finance (BVI) Limited · 2011
- Method for the control of calcium carbonate scale using compounds prepared from acetylenic compounds and inorganic phosphite salts and their derivatives16US 5,647,995 ANalco Chemical Company · 1997
- Aryl phosphonites, a process for their production and their use for stabilizing plastics14US 5,298,541 AHoechst Aktiengesellschaft · 1994