C08F 2/004
By a prior coating on the reactor walls
Official title: {by a prior coating on the reactor walls}
C08F2/004 (By a prior coating on the reactor walls) appears on 197 US grants and 11 published applications in this corpus.
Search patents in C08F- Granted patents
- 197
- Published applications
- 11
- Assignees
- 47
- Inventors
- 210
- Latest grant
- 17 Oct 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 5 | 0 |
| 1978 | 15 | 0 |
| 1979 | 5 | 0 |
| 1980 | 5 | 0 |
| 1981 | 10 | 0 |
| 1982 | 4 | 0 |
| 1983 | 4 | 0 |
| 1984 | 6 | 0 |
| 1985 | 6 | 0 |
| 1986 | 6 | 0 |
| 1987 | 5 | 0 |
| 1988 | 5 | 0 |
| 1989 | 5 | 0 |
| 1990 | 8 | 0 |
| 1991 | 5 | 0 |
| 1992 | 8 | 0 |
| 1993 | 13 | 0 |
| 1994 | 11 | 0 |
| 1995 | 21 | 0 |
| 1996 | 6 | 0 |
| 1997 | 7 | 0 |
| 1998 | 6 | 0 |
| 1999 | 5 | 0 |
| 2000 | 6 | 0 |
| 2001 | 5 | 0 |
| 2002 | 3 | 2 |
| 2003 | 2 | 0 |
| 2004 | 0 | 0 |
| 2005 | 1 | 2 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 1 | 0 |
| 2017 | 0 | 1 |
| 2018 | 2 | 1 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 2 |
| 2022 | 2 | 0 |
| 2023 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Process for the preparation of polyacrylamides using an eco-friendly lubricant composition17 Oct 2023US 11,787,889 B2Snf Group
- Addition condensation product, production method and use of same, polymerization vessel, and production method of polymer31 May 2022US 11,345,651 B2Shin-Etsu Chemical Co., Ltd.
- Antifouling coating composition comprising novel carbon-based hydrolysable polymers22 Mar 2022US 11,279,835 B2Hempel A/S
- Method for polymerising ethylenically unsaturated monomers22 May 2018US 9,975,978 B2Wacker Chemie AG
- Process for separating components of a polymer-monomer mixture obtained by high-pressure polymerization of ethylenically unsaturated monomers3 Apr 2018US 9,931,608 B2Basell Polyolefine GmbH
- Process for the preparation of polyacrylamides using an eco-friendly lubricant composition13 Apr 2023US 2023/0114065 A1S.P.C.M. SA
- Addition condensation product, production method and use of same, polymerization vessel, and production method of polymer30 Dec 2021US 2021/0403405 A1Shin-Etsu Chemical Co., Ltd.
- Antifouling coating composition comprising novel carbon-based hydrolysable polymers3 Jun 2021US 2021/0163758 A1Hempel A/S
- Method for polymerising ethylenically unsaturated monomers4 Jan 2018US 2018/0002467 A1Wacker Chemie AG
- Process for separating components of a polymer-monomer mixture obtained by high-pressure polymerization of ethylenically unsaturated monomers7 Dec 2017US 2017/0348658 A1Basell Polyolefine GmbH
Most cited
By later US patents
- Internally coated reaction vessel for use in olefinic polymerization42US 4,024,301 AThe B. F. Goodrich Company · 1977
- Method for preventing deposition of polymer scale and a coating agent therefor33US 4,539,230 AShin-Etsu Chemical Co., Ltd. · 1985
- Process for production of vinyl polymer27US 4,758,639 AShin-Etsu Chemical Co., Ltd. · 1988
- Process for preventing polymer buildup in a polymerization reactor26US 4,255,470 AThe B. F. Goodrich Company · 1981
- Composition for lining the walls of reactors and connected apparatus used for polymerizing vinyl compounds which prevents or reduces deposits and incrustations on said apparatus, and the method for its use22US 4,456,731 AAnic S.p.A. · 1984