C09K 2003/104
Water-swellable materials
Official title: {Water-swellable materials}
C09K2003/104 (Water-swellable materials) appears on 30 US grants and 15 published applications in this corpus.
Search patents in C09K- Granted patents
- 30
- Published applications
- 15
- Assignees
- 26
- Inventors
- 70
- Latest grant
- 23 Jul 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 5 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 3 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 2 |
| 2010 | 0 | 1 |
| 2011 | 1 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 1 |
| 2015 | 1 | 1 |
| 2016 | 0 | 0 |
| 2017 | 1 | 0 |
| 2018 | 0 | 3 |
| 2019 | 0 | 2 |
| 2020 | 1 | 0 |
| 2021 | 0 | 0 |
| 2022 | 2 | 2 |
| 2023 | 0 | 0 |
| 2024 | 2 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Curable water-swelling waterstop material, waterstop steel sheet pile, waterstop steel sheet pile production method, and water-stopping method23 Jul 2024US 12,043,739 B2Nippon Chemical Paint Co., Ltd.
- Self-healing water-swellable hydraulic seal26 Mar 2024US 11,939,514 B2Danfoss A/S
- Water-swellable moisture curing one-component polyurethane sealant4 Oct 2022US 11,459,421 B2Sika Technology AG
- Self-healing water-swellable hydraulic seal25 Jan 2022US 11,230,652 B2Danfoss Power Solutions II Technology A/S
- Corrosion-inhibiting, radically cureable composition22 Sep 2020US 10,781,346 B2Sika Technology AG
- Self-healing water-swellable hydraulic seal26 Sep 2024US 2024/0318059 A1Danfoss A/S
- Self-healing water-swellable hydraulic seal31 Mar 2022US 2022/0098459 A1Danfoss Power Solutions II Technology A/S
- Curable water-swelling waterstop material, waterstop steel sheet pile, waterstop steel sheet pile production method, and water-stopping method24 Mar 2022US 2022/0089874 A1Nippon Chemical Paint Co., Ltd.
- Water-swellable moisture curing one-component polyurethane sealant5 Dec 2019US 2019/0367663 A1Sika Technology AG
- Self-healing water-swellable hydraulic seal22 Aug 2019US 2019/0256753 A1Danfoss Power Solutions II Technology A/S
Most cited
By later US patents
- Aqueously-swelling water stopper and a process of stopping water thereby85US 4,449,713 AHayakawa Rubber Company Limited · 1984
- Aqueously-swelling water stopper and a process for stopping water thereby69US 4,558,875 AHayakawa Rubber Company Limited · 1985
- Sealed joint including water-absorptive, water-swelling coating at joint interface site for using leakage to repair leaks44US 4,708,351 AToyoda Gosei Co., Ltd. · 1987
- Uninhibited bentonite composition31US 4,534,926 AAmerican Colloid Company · 1985
- Sealing material which swells when treated with water30US 6,358,580 B1Datwyker A.G. Gummi & Kunststoffe · 2002