C09B 45/482
Chromium complexes
Official title: {Chromium complexes}
C09B45/482 (Chromium complexes) appears on 4 US grants and 0 published applications in this corpus.
Search patents in C09B- Granted patents
- 4
- Published applications
- 0
- Assignees
- 3
- Inventors
- 7
- Latest grant
- 8 Nov 1983
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Chromiferous complex dyestuffs, a process for their preparation and their application8 Nov 1983US 4,414,151 AP C U K Produits Chimiques Ugine Kuhlmann
- Chrome-complex dyes and the production and use thereof20 Jul 1982US 4,340,536 ACiba-Geigy Corporation
- Novel azo dyes5 May 1981US 4,265,811 APolaroid Corporation
- Process for dyeing linear polyamides in the melt21 Apr 1981US 4,263,197 ACiba-Geigy Corporation
No published applications in this class yet.
Most cited
By later US patents