D06P 1/6498
Compounds containing -conco-
Official title: {Compounds containing -CONCO-, e.g. phthalimides, hydantoine; Compounds containing RCONHSO2R (R=H or hydrocarbon)}
D06P1/6498 (Compounds containing -conco-) appears on 4 US grants and 2 published applications in this corpus.
Search patents in D06P- Granted patents
- 4
- Published applications
- 2
- Assignees
- 4
- Inventors
- 20
- Latest grant
- 19 Feb 1991
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Carrier mixture for the dyeing of polyester materials: n-alkylphthalimide and aromatic ester or ether19 Feb 1991US 4,994,089 ABayer Aktiengesellschaft
- Composition for dyeing material of synthetic aromatic polyamide fibers: cationic dye and n-alkyl phthalimide25 Oct 1988US 4,780,105 AStockhausen GmbH & Co. KG
- N-Acyloyl-N-alkyl-alkylenediamines as dye levelers28 Dec 1976US 3,999,942 ACassella Farbwerke Mainkur Aktiengesellschaft
- Process for the dyeing of polyamide fibers with sulphur dyestuffs23 Nov 1976US 3,993,437 ACassella Farbwerke Mainkur Aktiengesellschaft
Most cited
By later US patents
- Composition for dyeing material of synthetic aromatic polyamide fibers: cationic dye and n-alkyl phthalimide14US 4,780,105 AStockhausen GmbH & Co. KG · 1988
- Carrier mixture for the dyeing of polyester materials: n-alkylphthalimide and aromatic ester or ether4US 4,994,089 ABayer Aktiengesellschaft · 1991
- Process for the dyeing of polyamide fibers with sulphur dyestuffs3US 3,993,437 ACassella Farbwerke Mainkur Aktiengesellschaft · 1976
- N-Acyloyl-N-alkyl-alkylenediamines as dye levelers1US 3,999,942 ACassella Farbwerke Mainkur Aktiengesellschaft · 1976