D06P 3/46
Cellulose triacetate
D06P3/46 (Cellulose triacetate) appears on 9 US grants and 4 published applications in this corpus.
Search patents in D06P- Granted patents
- 9
- Published applications
- 4
- Assignees
- 12
- Inventors
- 20
- Latest grant
- 18 Feb 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 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 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 1 |
| 2022 | 1 | 0 |
| 2023 | 1 | 0 |
| 2024 | 0 | 1 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
- D06P 3/48Using dispersed dyestuffs7
- D06P 3/463Using vat or sulfur dyes2
- D06P 3/461Using acid dyes0
- D06P 3/462Using basic dyes0
- D06P 3/465Using metallisable or mordant dyes0
- D06P 3/466Using polymeric dyes0
- D06P 3/467Preparing non-azo dyes on the material0
- D06P 3/468Using reactive dyes0
All 9 subgroupsShow fewer
Recent patents
- Pyridine and pyrimidine substituted triazine UV absorbers18 Feb 2025US 12,227,898 B2Archroma (Switzerland) GmbH
- Pyridine and pyrimidine substituted triazine UV absorbers12 Dec 2023US 11,840,804 B2Huntsman Textile Effects (Switzerland) GmbH
- Disperse azo dyes25 Oct 2022US 11,479,912 B2Huntsman Advanced Materials Licensing CH GmbH
- Process for improving the photochemical stability of dyeings and prints on polyester fibres16 Nov 1999US 5,984,976 ACiba Specialty Chemicals Corporation
- Method for dyeing synthetic materials with vat dyestuffs23 Feb 1999US 5,873,914 AThe Secretary of State for Defence in Her Britannic Majesty's Government of the United Kingdom of Great Britain and Northern Ireland
- New Pyridine And Pyrimidine Substituted Triazine UV Absorbers28 Mar 2024US 2024/0102236 A1Huntsman Advanced Materials (Switzerland) GmbH
- New pyridine and pyrimidine substituted triazine UV absorbers4 Nov 2021US 2021/0340705 A1Huntsman Advanced Materials (Switzerland) GmbH
- Disperse Azo Dyes25 Jun 2020US 2020/0199813 A1Huntsman International LLC
- Influencing the Near Infrared Reflectance of Dyed Textile Materials3 Feb 2011US 2011/0027548 A1Clariant Finance (BVI) Limited
Most cited
By later US patents
- Dyed materials9US 5,607,483 AThe Secretary of State for Defence in her Britannic Majesty's Government of the U.K. of Great Britain and Northern Ireland · 1997
- Method for dyeing synthetic materials with vat dyestuffs7US 5,873,914 AThe Secretary of State for Defence in Her Britannic Majesty's Government of the United Kingdom of Great Britain and Northern Ireland · 1999
- Coloration process5US 4,030,881 AImperial Chemical Industries PLC · 1977
- Coloring process for synthetic textile materials3US 4,029,469 AImperial Chemical Industries PLC · 1977
- Disperse dyeing of triacetate1US 4,255,153 ASandoz Ltd. · 1981