Y10S 507/902
Controlled release agent
Y10S507/902 (Controlled release agent) appears on 140 US grants and 62 published applications in this corpus.
Search patents in Y10S- Granted patents
- 140
- Published applications
- 62
- Assignees
- 60
- Inventors
- 199
- Latest grant
- 21 Apr 2015
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 3 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 3 | 0 |
| 1986 | 3 | 0 |
| 1987 | 9 | 0 |
| 1988 | 10 | 0 |
| 1989 | 5 | 0 |
| 1990 | 4 | 0 |
| 1991 | 4 | 0 |
| 1992 | 9 | 0 |
| 1993 | 3 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 9 | 1 |
| 2002 | 6 | 7 |
| 2003 | 6 | 13 |
| 2004 | 12 | 8 |
| 2005 | 2 | 9 |
| 2006 | 8 | 6 |
| 2007 | 5 | 1 |
| 2008 | 7 | 4 |
| 2009 | 4 | 4 |
| 2010 | 3 | 5 |
| 2011 | 8 | 3 |
| 2012 | 3 | 0 |
| 2013 | 1 | 1 |
| 2014 | 0 | 0 |
| 2015 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Apparatus, compositions, and methods of breaking fracturing fluids21 Apr 2015US 9,012,378 B2
- Polyelectrolyte complexes for oil and gas applications12 Feb 2013US 8,372,786 B2University of Kansas
- System, method, and apparatus for acid fracturing with scale inhibitor protection22 May 2012US 8,183,179 B2Schlumberger Technology Corporation
- Polyelectrolyte complexes for oil and gas applications22 May 2012US 8,183,184 B2University of Kansas
- Sealant composition17 Apr 2012US 8,158,563 B2Schlumberger Technology Corporation
- Polyelectrolyte Complexes for Oil and Gas Applications16 May 2013US 2013/0123149 A1University of Kansas
- Apparatus, compositions, and methods of breaking fracturing fluids21 Jul 2011US 2011/0177982 A1Clearwater International, LLC, A Delaware Corporation
- System, method, and apparatus for acid fracturing with scale inhibitor protection2 Jun 2011US 2011/0127039 A1Schlumberger Technology Corporation
- Sealant Composition31 Mar 2011US 2011/0077175 A1Schlumberger Technology Corporation
- Controlling the Pressure within an Annular Volume of a Wellbore23 Sep 2010US 2010/0236780 A1Chevron U. S. A. Inc.
Most cited
By later US patents
- Encapsulated chemicals for use in controlled time release applications and methods314US 6,527,051 B1Halliburton Energy Services.Inc. · 2003
- Encapsulated chemicals for use in controlled time release applications and methods279US 6,554,071 B1Halliburton Energy Services.Inc. · 2003
- Method of controlling particulate flowback in subterranean wells and introducing treatment chemicals256US 6,209,643 B1Halliburton Energy Services.Inc. · 2001
- Well treatment251US 5,964,291 AAEA Technology plc · 1999
- Method for treating subterranean formations246US 4,741,401 AThe Dow Chemical Company · 1988