C08G 73/022
From polyamines and epihalohydrins
Official title: {from polyamines and epihalohydrins}
C08G73/022 (From polyamines and epihalohydrins) appears on 120 US grants and 69 published applications in this corpus.
Search patents in C08G- Granted patents
- 120
- Published applications
- 69
- Assignees
- 66
- Inventors
- 277
- Latest grant
- 3 Oct 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 7 | 0 |
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 4 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 4 | 0 |
| 1988 | 4 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 4 | 0 |
| 1998 | 1 | 0 |
| 1999 | 4 | 0 |
| 2000 | 5 | 0 |
| 2001 | 4 | 1 |
| 2002 | 5 | 3 |
| 2003 | 4 | 6 |
| 2004 | 1 | 1 |
| 2005 | 4 | 2 |
| 2006 | 0 | 2 |
| 2007 | 2 | 2 |
| 2008 | 1 | 1 |
| 2009 | 1 | 2 |
| 2010 | 0 | 1 |
| 2011 | 2 | 5 |
| 2012 | 1 | 1 |
| 2013 | 2 | 6 |
| 2014 | 2 | 3 |
| 2015 | 2 | 6 |
| 2016 | 2 | 4 |
| 2017 | 10 | 4 |
| 2018 | 6 | 6 |
| 2019 | 3 | 3 |
| 2020 | 4 | 3 |
| 2021 | 2 | 1 |
| 2022 | 1 | 0 |
| 2023 | 1 | 1 |
| 2024 | 0 | 3 |
| 2025 | 0 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Carboxylated vinyl acetate/ethylene copolymer dispersions and uses thereof3 Oct 2023US 11,773,263 B2Celanese International Corporation
- Carboxylated vinyl acetate/ethylene copolymer dispersions and uses therof4 Jan 2022US 11,214,684 B2Celanese International Corporation
- Polyamines, synthesis method thereof and use thereof for the selective elimination of H2S from a gaseous effluent comprising CO25 Oct 2021US 11,136,434 B2Ifp Energies Nouvelles
- Methods and compositions for clarifying produced waters for boiler feed waters2 Mar 2021US 10,934,189 B2Ecolab USA Inc.
- Substoichiometric alkoxylated polyethers20 Oct 2020US 10,808,075 B2BASF SE
- Derivatized polyamine polymers for use in metal scavenging applications8 Oct 2026US 2026/0308027 A1Bl Technologies, Inc.
- Synthesis of phosphonated polymer resins for the extraction of rare-earth elements12 Jun 2025US 2025/0188222 A1Virginia Tech Intellectual Properties, Inc.
- Bio-sourced cationic high charge density polymer22 Aug 2024US 2024/0279397 A1Snf Group
- Polymer, leveling agent and preparation method thereof, electroplating solution, and electroplating method1 Aug 2024US 2024/0254277 A1Huawei Technologies Co., Ltd.
- Functionalised hydrogels30 May 2024US 2024/0173696 A1Commonwealth Scientific and Industrial Research Organisation
Most cited
By later US patents
- Polyamine-epihalohydrin resinous reaction products165US 4,129,528 AMonsanto Company · 1978
- Process for producing creped paper products113US 5,942,085 AThe Procter & Gamble Company · 1999
- Process for producing creped paper products and creping aid for use therewith106US 6,048,938 AThe Procter & Gamble Company · 2000
- Composite semipermeable membranes made from polyethylenimine86US 3,951,815 AUniversal Oil Products Company · 1976
- Dispersions of water soluble polymers in oil52US 4,052,353 A1977