D06P 3/792
Using basic dyes
Official title: {using basic dyes}
D06P3/792 (Using basic dyes) appears on 5 US grants and 0 published applications in this corpus.
Search patents in D06P- Granted patents
- 5
- Published applications
- 0
- Assignees
- 5
- Inventors
- 11
- Latest grant
- 29 Apr 2003
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 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 | 1 | 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 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Method for producing aqueous liquor dyeable modified polypropylene threads and the use thereof29 Apr 2003US 6,555,038 B1Deutsche Institute fur Textil-und Faserforschung Stuttgart
- Process for the dyeing of polymers of propylene, butene-1 and 4-methyl-pentene-1 using basic dye in an aqueous dye bath10 Oct 1989US 4,872,880 ADuPont Canada Inc.
- Process for dyeing of polymers of ethylene with basic dyes22 Mar 1988US 4,732,571 ADu Pont Canada Inc.
- Process for dyeing polymer substrates16 May 1978US 4,089,645 AHooker Chemicals & Plastics Corporation
- Method of activating polymers24 Feb 1976US 3,940,377 APolymer Research Corp. of America
No published applications in this class yet.
Most cited
By later US patents
- Method of activating polymers15US 3,940,377 APolymer Research Corp. of America · 1976
- Process for dyeing of polymers of ethylene with basic dyes3US 4,732,571 ADu Pont Canada Inc. · 1988
- Process for the dyeing of polymers of propylene, butene-1 and 4-methyl-pentene-1 using basic dye in an aqueous dye bath3US 4,872,880 ADuPont Canada Inc. · 1989
- Process for dyeing polymer substrates1US 4,089,645 AHooker Chemicals & Plastics Corporation · 1978