D06L 4/607
In organic solvents
Official title: in organic solvents
D06L4/607 (In organic solvents) appears on 7 US grants and 1 published applications in this corpus.
Search patents in D06L- Granted patents
- 7
- Published applications
- 1
- Assignees
- 7
- Inventors
- 18
- Latest grant
- 4 Apr 2000
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 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 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Complexes of ultraviolet absorbers and quaternary ammonium compounds which are substantially free from unwanted salts4 Apr 2000US 6,046,330 A
- Storage-stable liquid brightener formulations18 May 1999US 5,904,739 AHoechst Aktiengesellschaft
- Salts of basic dyes, preparation and uses of same22 Dec 1981US 4,306,875 AAziende Colori Nazionali Affini ACNA S.p.A.
- Continuous process for optical brightening21 Jun 1977US 4,031,273 ACiba-Geigy Corporation
- Coumarin derivatives, their preparation and their use as optical brightening agents30 Nov 1976US 3,994,907 AProduits Chimiques Ugine Kuhlmann
Most cited
By later US patents
- Viscous water-in-oil type dye or fluorescent brightening agent emulsion and method for the manufacture thereof13US 3,951,598 AKomatsu Seiren Co., Ltd. · 1976
- Salts of basic dyes, preparation and uses of same12US 4,306,875 AAziende Colori Nazionali Affini ACNA S.p.A. · 1981
- Migration-free textile drying7US 3,992,144 AE. I. Du Pont de Nemours and Company · 1976
- Complexes of ultraviolet absorbers and quaternary ammonium compounds which are substantially free from unwanted salts7US 6,046,330 A2000
- Coumarin derivatives, their preparation and their use as optical brightening agents4US 3,994,907 AProduits Chimiques Ugine Kuhlmann · 1976