C08F 2/40
Using retarding agents
Official title: using retarding agents
C08F2/40 (Using retarding agents) appears on 131 US grants and 140 published applications in this corpus.
Search patents in C08F- Granted patents
- 131
- Published applications
- 140
- Assignees
- 110
- Inventors
- 404
- Latest grant
- 14 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 3 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 4 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 3 | 1 |
| 2003 | 5 | 4 |
| 2004 | 2 | 1 |
| 2005 | 1 | 4 |
| 2006 | 1 | 6 |
| 2007 | 2 | 2 |
| 2008 | 0 | 2 |
| 2009 | 2 | 9 |
| 2010 | 4 | 6 |
| 2011 | 4 | 5 |
| 2012 | 4 | 12 |
| 2013 | 1 | 6 |
| 2014 | 5 | 7 |
| 2015 | 8 | 8 |
| 2016 | 7 | 4 |
| 2017 | 4 | 5 |
| 2018 | 3 | 7 |
| 2019 | 5 | 9 |
| 2020 | 7 | 11 |
| 2021 | 6 | 8 |
| 2022 | 7 | 5 |
| 2023 | 4 | 1 |
| 2024 | 4 | 7 |
| 2025 | 5 | 5 |
| 2026 | 2 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Synergistic combination for inhibiting polymerization14 Apr 2026US 12,600,804 B2Bl Technologies, Inc.
- Curable composition20 Jan 2026US 12,528,893 B2Threebond Co., Ltd.
- Accelerated peroxide-cured resin compositions having extended open times2 Dec 2025US 12,486,381 B2Arkema Inc.
- Branched polymers21 Oct 2025US 12,448,467 B2The University of Liverpool
- Method for producing ethylene-carboxylic acid copolymer19 Aug 2025US 12,391,776 B2SK Geo Centric Co., Ltd.
- Antipolymerant compositions and methods for inhibiting fouling using the compositions6 Aug 2026US 2026/0226200 A1Ecolab USA Inc.
- Composition comprising at least one solid organic peroxide9 Jul 2026US 2026/0193178 A1Arkema France
- Composition, dispersing agent for suspension polymerization, and method for producing vinyl-based polymer7 May 2026US 2026/0125550 A1Kuraray Co., Ltd.
- Controlled Molecular Weight Distribution of Isobutylene-Based Elastomer Compositions and Methods Related Thereto2 Apr 2026US 2026/0092129 A1
- Reactive fluorosurfactant, and preparation method therefor and use thereof26 Feb 2026US 2026/0055220 A1Zhonghao Chenguang Research Institute of Chemical Industry Co., Ltd.
Most cited
By later US patents
- Curable liquid polymer compositions57US 4,008,341 AW. R. Grace & Co. · 1977
- Method for inhibiting the polymerization of acrylic acid or its esters41US 4,021,310 ANippon Shokubai Kagaku Kogyo Co., Ltd. · 1977
- Copolymers useful as cement additives and a process for their preparation33US 6,034,208 AARCO Chemical Technology, L. P. · 2000
- Polymerization process with catalyst reactivation30US 7,893,173 B2Carnegie Mellon University · 2011
- Stabilizers for polymer polyols27US 5,854,386 AARCO Chemical Technology, L. P. · 1998