Y10S 526/93
Water swellable or hydrophilic
Y10S526/93 (Water swellable or hydrophilic) appears on 70 US grants and 15 published applications in this corpus.
Search patents in Y10S- Granted patents
- 70
- Published applications
- 15
- Assignees
- 39
- Inventors
- 137
- Latest grant
- 3 Mar 2015
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 4 | 0 |
| 1978 | 4 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 6 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 4 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 4 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 3 | 3 |
| 2004 | 2 | 1 |
| 2005 | 0 | 1 |
| 2006 | 1 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 2 |
| 2009 | 2 | 1 |
| 2010 | 0 | 4 |
| 2011 | 3 | 0 |
| 2012 | 3 | 0 |
| 2013 | 0 | 1 |
| 2014 | 1 | 1 |
| 2015 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Method for producing water-absorbent resin, and water-absorbent resin obtained by same3 Mar 2015US 8,969,497 B2Sumitomo Seika Chemicals Co., Ltd.
- Process for operating a mixing kneader7 Oct 2014US 8,853,333 B2BASF SE
- Regulation of a process for producing water-absorbing polymer particles in a heated gas phase22 May 2012US 8,183,331 B2BASF SE
- Method for producing water-absorbing polymer particles by suspension polymerisation3 Apr 2012US 8,148,479 B2BASF SE
- Process for producing water-absorbing polymer particles21 Feb 2012US 8,119,755 B2BASF SE
- Method for producing water-absorbent resin, and water-absorbent resin obtained by same10 Jul 2014US 2014/0194574 A1Sumitomo Seika Chemicals Co., Ltd.
- Process for operating a mixing kneader7 Nov 2013US 2013/0296509 A1BASF SE
- Method for Producing Water-Absorbing Polymer Particles by Suspension Polymerisation13 May 2010US 2010/0121003 A1BASF SE
- Regulation of a Process for Producing Water-Absorbing Polymer Particles in a Heated Gas Phase4 Feb 2010US 2010/0029866 A1BASF SE
- Method for the Production of Water Absorbent Polymer Particles by Polymerizing Drops of a Monomer Solution14 Jan 2010US 2010/0010176 A1BASF SE
Most cited
By later US patents
- Hydrogel-forming polymer compositions for use in absorbent structures233US 4,654,039 AThe Proctor & Gamble Company · 1987
- Osmotic capsule207US 4,627,850 AAlza Corporation · 1986
- Process for preparation of high water-absorbent polymer beads179US 4,446,261 AKao Soap Co., Ltd. · 1984
- Water absorbent polymers comprising unsaturated carboxylic acid, acrylic ester containing alkyl group 10-30 carbon atoms, and another acrylic ester containing alkyl group 2-8 carbon atoms156US 4,062,817 AThe B. F. Goodrich Company · 1977
- Process for preparing an absorbent resin crosslinked with a mixture of trimethylolpropane diacrylate and triacrylate127US 5,574,121 ANippon Shokubai Co., Ltd. · 1996