C07F 9/3235
Esters of polyphosphinic acids
Official title: {Esters of poly(thio)phosphinic acids}
C07F9/3235 (Esters of polyphosphinic acids) appears on 12 US grants and 4 published applications in this corpus.
Search patents in C07F- Granted patents
- 12
- Published applications
- 4
- Assignees
- 10
- Inventors
- 19
- Latest grant
- 20 Nov 2018
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 1 | 1 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 1 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Hydrophilic linkers and their uses for conjugation of drugs to a cell binding molecules20 Nov 2018US 10,131,682 B2Hangzhou Dac Biotech Co., Ltd.
- Process for preparing ethylenedialkylphosphinic acids, esters and salts by means of acetylene and use thereof10 Nov 2015US 9,181,487 B2Clariant Finance (BVI) Limited
- Process for preparation of alkenylphosphine oxides or alkenylphosphinic esters14 Nov 2006US 7,135,583 B2Japan Science and Technology Corporation
- Tetraphosphonate bicyclic trisanhydrides30 Mar 2004US 6,713,623 B2Pharmasset, Inc.
- Tetraphosphonate bicyclic trisanhydrides4 Dec 2001US 6,326,490 B1Pharmasset, Inc.
- Hydrophilic linkers and their uses for conjugation of drugs to a cell binding molecules10 Sep 2015US 2015/0250896 A1Hangzhou Dac Biotech Co., Ltd.
- Process for Preparing Ethylenedialkylphosphinic Acids, Esters and Salts by Means of Acetylene and Use Thereof13 Oct 2011US 2011/0251312 A1Clariant Finance (BVI) Limited
- Process for preparation of alkenylphosphine oxides or alkenylphosphinic esters25 Mar 2004US 2004/0059146 A1Japan Science and Technology Corporation
- Tetraphosphonate bicyclic trisanhydrides31 Oct 2002US 2002/0161220 A1Pharmasset, Inc.
Most cited
By later US patents
- Hydrophilic linkers and their uses for conjugation of drugs to a cell binding molecules66US 10,131,682 B2Hangzhou Dac Biotech Co., Ltd. · 2018
- Process for the preparation of ethane-1,2-diphosphinic acid diesters24US 4,001,352 AHoechst Aktiengesellschaft · 1977
- Process for the preparation of ethane-1,2-diphosphinic acid diesters19US 3,939,050 AHoechst Aktiengesellschaft · 1976
- Alkane-bisalkyl-phosphinic anhydrides and process for the manufacture of alkane-phosphonic anhydrides and alkane-bis alkyl-phosphinic anhydrides8US 4,195,035 AHoechst Aktiengesellschaft · 1980
- Tetraphosphonate bicyclic trisanhydrides8US 6,713,623 B2Pharmasset, Inc. · 2004