Y10S 210/91
Nonbiodegradable surfacant
Y10S210/91 (Nonbiodegradable surfacant) appears on 21 US grants and 2 published applications in this corpus.
Search patents in Y10S- Granted patents
- 21
- Published applications
- 2
- Assignees
- 20
- Inventors
- 46
- Latest grant
- 17 Apr 2007
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 1 |
| 2006 | 1 | 0 |
| 2007 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Method for treating an effluent, especially a radioactive effluent, containing organic matter17 Apr 2007US 7,204,929 B2Commissariat A L' Energie Atomique
- Removal of fluorinated surfactants from waste water28 Mar 2006US 7,018,541 B23M Innovative Properties Company
- Microbiological degradation of alkylene amine acetates12 Oct 1999US 5,965,024 AAkzo Nobel N. V.
- Process for purifying and reusing surfactant-containing waste waters23 Mar 1999US 5,885,459 ABuck Werke GmbH & Co.
- Method for reducing chemical oxygen demand of water containing organic material emulsified by a surfactant29 Dec 1998US 5,853,596 AHenkel Corporation
Most cited
By later US patents
- Wastewater energy recycling method81US 4,159,944 A1979
- Removal of fluorinated surfactants from waste water40US 7,018,541 B23M Innovative Properties Company · 2006
- Methods for microbial filtration of fluids39US 5,487,834 AThe Regents of the University of California · 1996
- Method for removal of fat, oil and grease from laundry wash water28US 5,076,937 AUnitog Rental Services, Inc. · 1991
- Apparatus for removal of fat, oil and grease from laundry wash water23US 5,340,469 AUnitog Rental Services, Inc. · 1994