C07C 33/046
Butynediols
C07C33/046 (Butynediols) appears on 25 US grants and 4 published applications in this corpus.
Search patents in C07C- Granted patents
- 25
- Published applications
- 4
- Assignees
- 11
- Inventors
- 44
- Latest grant
- 21 Jan 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 7 | 0 |
| 1979 | 3 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 1 |
| 2018 | 1 | 2 |
| 2019 | 1 | 0 |
| 2020 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Spray-dried butynediol catalysts21 Jan 2020US 10,537,886 B2BASF SE
- Organic compounds and their use as fragrance ingredients22 Oct 2019US 10,450,532 B2Givaudan SA
- Process and systems for obtaining 1,4-butanediol from fermentation broths23 Jan 2018US 9,873,652 B2Genomatica, Inc.
- Process for separating solids from aqueous 1,4-butynediol solutions26 Oct 1999US 5,973,213 ABASF SE
- Process and apparatus for the synthesis of butynediol22 Aug 1995US 5,444,169 ALinde Aktiengesellschaft
- Spray-dried butynediol catalysts23 Aug 2018US 2018/0236439 A1BASF SE
- Process and systems for obtaining 1,4-butanediol from fermentation broths23 Aug 2018US 2018/0237367 A1Genomatica, Inc.
- Improvements in or relating to organic compounds and their use as fragrance ingredients16 Nov 2017US 2017/0327769 A1Givaudan SA
- Process and systems for obtaining 1,4-butanediol from fermentation broths4 Feb 2016US 2016/0031778 A1Genomatica, Inc.
Most cited
By later US patents
- Basic mixed carbonate of copper and aluminum and process for manufacturing a copper-containing catalyst28US 4,009,124 ABASF SE · 1977
- Process for the preparation of 1,4-butynediol and related catalyst12US 4,288,641 ASocieta Italiana Serie Acetica Sintetica S.p.A. · 1981
- Process for the manufacture of butynediol7US 3,957,888 ABASF SE · 1976
- Malachite preparation6US 4,107,082 AE. I. Du Pont de Nemours and Company · 1978
- Preparation of butynediol using bismuth modified spheroidal malachite6US 4,127,734 AE. I. Du Pont de Nemours and Company · 1978