Y10S 534/07
Automatic and/or continuous temperature control in the preparation of azo compounds
Y10S534/07 (Automatic and/or continuous temperature control in the preparation of azo compounds) appears on 7 US grants and 0 published applications in this corpus.
Search patents in Y10S- Granted patents
- 7
- Published applications
- 0
- Assignees
- 5
- Inventors
- 15
- Latest grant
- 19 Feb 1991
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Process for the preparation of metallizable azo dyes carrying out coupling in an inert gas atmosphere in the presence of an ammonium salt19 Feb 1991US 4,994,561 ACiba-Geigy Corporation
- Amino compounds derived from 5-acetoacetylamino-benzimidazolones30 Jun 1987US 4,677,200 AHoechst Aktiengesellschaft
- Continuous production of azo pigments12 Jun 1984US 4,454,067 AHoechst Aktiengesellschaft
- Rapid dyeing of polyester fibers with a mixture of disperse dyes21 Feb 1984US 4,432,770 ASandoz Ltd.
- Continuous azo coupling process24 Feb 1981US 4,252,718 AImperial Chemical Industries PLC
No published applications in this class yet.
Most cited
By later US patents
- Continuous azo coupling process7US 4,252,718 AImperial Chemical Industries PLC · 1981
- Continuous process for aminoazobenzene6US 4,018,751 AAmerican Cyanamid Company · 1977
- Rapid dyeing of polyester fibers with a mixture of disperse dyes6US 4,432,770 ASandoz Ltd. · 1984
- Dialysis monitored preparation of metal salts of azo pigments4US 4,190,578 ACiba-Geigy Corporation · 1980
- Continuous production of azo pigments2US 4,454,067 AHoechst Aktiengesellschaft · 1984