Y10S 534/04
Azo compounds which are lakes
Y10S534/04 (Azo compounds which are lakes) appears on 21 US grants and 2 published applications in this corpus.
Search patents in Y10S- Granted patents
- 21
- Published applications
- 2
- Assignees
- 14
- Inventors
- 38
- Latest grant
- 10 Jan 2006
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 1 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 1 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Pigmented 1-naphtholsulphonic acid-based monoazo pigments10 Jan 2006US 6,984,724 B2Clariant GmbH
- Non-migrating metallized disazo green shade yellow pigment29 Jun 2004US 6,756,486 B1Engelhard Corporation
- Preparation of azo colorants in microreactors22 Oct 2002US 6,469,147 B2Clariant Finance (BVI) Limited
- Naphtol derivative and process for producing the same4 Jul 2000US 6,084,101 AKabushiki Kaisha Ueno Seiyaku Oyo Kenkyujo
- Heat stable laked monoazo pigment compositions7 Dec 1999US 5,997,628 AEngelhard Corporation
Most cited
By later US patents
- Laked high molecular weight dyes31US 4,167,422 ADynapol · 1979
- Derivatives of azobarbituric acid or salts or complexes thereof27US 4,628,082 ABayer Aktiengesellschaft · 1986
- Preparation of azo colorants in microreactors18US 6,469,147 B2Clariant Finance (BVI) Limited · 2002
- Sulfonated monoazo colorant lake obtained by di-azo coupling of 5-acetylamino-2-aminobenzene-1-sulfonic acid with 1-(3'-sulfophenyl)-3-methylphyrazol-5-one16US 4,594,411 ABASF SE · 1986
- Azo compounds and process for producing the same14US 5,973,126 AKabushiki Kaisha Ueno Seiyaku Oyo Kenkyujo · 1999