C09B 62/517
Porphines
Official title: Porphines; Azaporphines {(C09B62/5033, C09B62/5036 take precedence)}
C09B62/517 (Porphines) appears on 13 US grants and 0 published applications in this corpus.
Search patents in C09B- Granted patents
- 13
- Published applications
- 0
- Assignees
- 5
- Inventors
- 15
- Latest grant
- 5 Jan 1999
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Reactive aluminum phthalocyanine dyestuffs, processes for their preparation and their use5 Jan 1999US 5,856,472 ADyStar Textilfarben GmbH & Co. Deutschland KG
- Aluminum phthalocyanine reactive dyes8 Dec 1998US 5,847,111 AClariant Finance (BVI) Limited
- Aluminum phthalocyanine reactive dyes14 Jul 1998US 5,780,621 ABayer Aktiengesellschaft
- Preparation of reactive phthalocyanine dyes14 May 1996US 5,516,901 ABASF SE
- Preparation of reactive phthalocyanine dyes22 Aug 1995US 5,444,163 ABASF SE
No published applications in this class yet.
Most cited
By later US patents
- Water-soluble phthalocyanine compounds11US 4,952,688 AHoechst Aktiengesellschaft · 1990
- Water-soluble phthalocyanine compounds7US 4,350,632 AHoechst Aktiengesellschaft · 1982
- Aluminum phthalocyanine reactive dyes7US 5,847,111 AClariant Finance (BVI) Limited · 1998
- Process for the preparation of water-soluble phthalocyanine dyestuffs6US 4,237,050 AHoechst Aktiengesellschaft · 1980
- Water-soluble fibre-reactive phthalocyanine compounds5US 4,576,755 AHoechst Aktiengesellschaft · 1986