C01B 17/902
By dialysis
Official title: {by dialysis}
C01B17/902 (By dialysis) appears on 17 US grants and 6 published applications in this corpus.
Search patents in C01B- Granted patents
- 17
- Published applications
- 6
- Assignees
- 11
- Inventors
- 39
- Latest grant
- 29 Apr 2014
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 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 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 2 |
| 2008 | 1 | 1 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Fractionation of a waste liquor stream from nanocrystalline cellulose production29 Apr 2014US 8,709,203 B2FPInnovations
- Acid tolerant polymeric membrane and process for the recovery of acid using polymeric membranes16 Aug 2011US 7,997,426 B2ExxonMobil Research and Engineering Company
- Acid tolerant polymeric membrane and process for the recovery of acid using polymeric membranes23 Nov 2010US 7,837,880 B2ExxonMobil Research and Engineering Company
- Recovery of sulphuric acid28 Oct 2008US 7,442,359 B2Nederlandse Organisatie voor toegepast-natuurwetenschappelijk onderzoek TNO
- Method for reclaiming metal sulfate-containing waste sulfuric acid8 Jan 2002US 6,337,061 B1
- Fractionation of a waste liquor stream from nanocrystalline cellulose production23 Aug 2012US 2012/0211184 A1FPInnovations
- Recovery of sulphuric acid31 Jan 2008US 2008/0025911 A1Nederlandse Organisatie voor toegepast-natuurwetenschappelijk onderzoek TNO
- Acid tolerant polymeric membrane and process for the recovery of acid using polymeric membranes29 Nov 2007US 2007/0272613 A1ExxonMobil Research and Engineering Company
- Acid tolerant polymeric membrane and process for the recovery of acid using polymeric membranes29 Nov 2007US 2007/0272614 A1ExxonMobil Research and Engineering Company
- Acid tolerant polymeric membrane and process for the recovery of acid using polymeric membranes11 Aug 2005US 2005/0173345 A1
Most cited
By later US patents
- Method for treating zinc-containing sulfate solution32US 5,084,180 ACominco Ltd. · 1992
- Method for reclaiming metal sulfate-containing waste sulfuric acid17US 6,337,061 B12002
- Process for recovery of waste H.sub.2 SO.sub.4 and HCl15US 4,113,588 ASolex Research Corporation of Japan · 1978
- Method and apparatus for recovering acid and metal salts from pricklining liquors14US 5,562,828 A1996
- Method for separating and recovering an acid9US 5,300,228 AAsahi Glass Company, Limited · 1994