C07C 45/76
With the aid of ketenes
Official title: with the aid of ketenes
C07C45/76 (With the aid of ketenes) appears on 8 US grants and 4 published applications in this corpus.
Search patents in C07C- Granted patents
- 8
- Published applications
- 4
- Assignees
- 8
- Inventors
- 21
- Latest grant
- 11 Dec 2018
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 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 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 1 |
| 2018 | 1 | 0 |
| 2019 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Method of synthesis of methoxyheptyl bicyclooctanone11 Dec 2018US 10,150,724 B2Grey Pacific Labs, LLC
- Process for the simultaneous co-production of 2,2,4,4-tetramethylcyclobutane-1,3-diol and 1,4-cyclohexanedimethanol25 May 2010US 7,723,551 B2Eastman Chemical Company
- Process for the preparation of 4′-isobutylacetophenone7 May 2002US 6,384,285 B1Council of Scientific and Industrial Research
- Acetals, and a process for the preparation thereof30 Oct 1990US 4,967,012 AHoechst Aktiengesellschaft
- Acylation of naphthalenes3 Jun 1986US 4,593,125 ACelanese Corporation
- Method of synthesis27 Jun 2019US 2019/0194107 A1Grey Pacific Labs, LLC
- Method of synthesis20 Jul 2017US 2017/0204040 A1BCS Business Consulting Services Pte Ltd
- Method of synthesis21 Jan 2016US 2016/0016874 A1BCS Business Consulting Services Pte Ltd
- Process for the simultaneous co-production of 2,2,4,4-tetramethycyclobutane-1,3-diol and 1,4-cyclohexanedimethanol26 Jun 2008US 2008/0154012 A1Eastman Chemical Company
Most cited
By later US patents
- Acylation of naphthalenes16US 4,593,125 ACelanese Corporation · 1986
- Process for the preparation of 4′-isobutylacetophenone10US 6,384,285 B1Council of Scientific and Industrial Research · 2002
- Production of insecticidally active vinyl-cyclopropane carboxylic acid esters4US 4,291,176 ABayer Aktiengesellschaft · 1981
- Process for the simultaneous co-production of 2,2,4,4-tetramethylcyclobutane-1,3-diol and 1,4-cyclohexanedimethanol2US 7,723,551 B2Eastman Chemical Company · 2010