C09B 41/002
Containing a solvent
Official title: {containing a solvent}
C09B41/002 (Containing a solvent) appears on 15 US grants and 0 published applications in this corpus.
Search patents in C09B- Granted patents
- 15
- Published applications
- 0
- Assignees
- 9
- Inventors
- 32
- Latest grant
- 20 Feb 1996
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Monoazo or disazo pigments based on (benoxazol-2-yl)- or (benzimidazol-2-yl)-arylacetamides20 Feb 1996US 5,493,011 AHoechst Aktiengesellschaft
- Process for the preparation of bisazo pigments in halogen-free solvents9 Feb 1993US 5,185,435 ACiba-Geigy Corporation
- Processes for the preparation of bisazo photogenerating pigments using an annealing step29 Dec 1992US 5,175,258 AXerox Corporation
- Process for the preparation of metallizable monoazo dyes in the presence of ketones26 Mar 1991US 5,003,051 ACiba-Geigy Corporation
- Process for the manufacture of a monoazo acetoacetylaminobenzimidazolone6 Mar 1990US 4,906,735 AHoechst Aktiengesellschaft
No published applications in this class yet.
Most cited
By later US patents
- Azo coupling in two-phase water-alcohol mixtures17US 4,313,872 ACassella Aktiengesellschaft · 1982
- Ortho-Bis (2-substituted azostyryl) benzene compounds16US 4,325,871 ARicoh Company, Ltd. · 1982
- Monoazo or disazo pigments based on (benoxazol-2-yl)- or (benzimidazol-2-yl)-arylacetamides10US 5,493,011 AHoechst Aktiengesellschaft · 1996
- Preparation of a concentrated solution of an anionic azo dye containing a sulfonic acid group9US 4,058,517 ABadische Anilin- & Soda-Fabrik Aktiengesellschaft · 1977
- One step diazotization coupling process8US 3,941,768 ACiba-Geigy Corporation · 1976