C09B 62/016
Porphines
Official title: Porphines; Azaporphines
C09B62/016 (Porphines) 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
- 6
- Latest grant
- 5 Jan 1999
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 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
- Phthalocyanine reactive dyestuffs29 Nov 1983US 4,418,015 ABayer Aktiengesellschaft
- Phthalocyanine reactive dyestuffs28 Jul 1981US 4,280,956 ABayer Aktiengesellschaft
- Reactive dyestuffs2 Nov 1976US 3,989,692 ABayer Aktiengesellschaft
No published applications in this class yet.
Most cited
By later US patents
- Reactive dyestuffs10US 3,989,692 ABayer Aktiengesellschaft · 1976
- Phthalocyanine reactive dyestuffs7US 4,280,956 ABayer Aktiengesellschaft · 1981
- Phthalocyanine reactive dyestuffs5US 4,418,015 ABayer Aktiengesellschaft · 1983
- Reactive aluminum phthalocyanine dyestuffs, processes for their preparation and their use1US 5,856,472 ADyStar Textilfarben GmbH & Co. Deutschland KG · 1999