C08G 2/04
Polymerisation by using compounds which act upon the molecular weight
Official title: Polymerisation by using compounds which act upon the molecular weight, e.g. chain-transferring agents
C08G2/04 (Polymerisation by using compounds which act upon the molecular weight) appears on 17 US grants and 17 published applications in this corpus.
Search patents in C08G- Granted patents
- 17
- Published applications
- 17
- Assignees
- 10
- Inventors
- 46
- Latest grant
- 14 May 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 2 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 3 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 2 | 1 |
| 2013 | 1 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 6 |
| 2017 | 2 | 3 |
| 2018 | 0 | 0 |
| 2019 | 1 | 0 |
| 2020 | 0 | 1 |
| 2021 | 2 | 0 |
| 2022 | 1 | 2 |
| 2023 | 0 | 0 |
| 2024 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Polyoxymethylene and method of producing same14 May 2024US 11,981,772 B2Asahi Kasei Kabushiki Kaisha
- Method for producing oxymethylene polymer and oxymethylene polymer resin composition10 May 2022US 11,326,051 B2Mitsubishi Gas Chemical Company, Inc.
- Process for improving the flexural toughness of moldings30 Mar 2021US 10,961,384 B2BASF SE
- Method for producing oxymethylene copolymer23 Mar 2021US 10,954,332 B2Mitsubishi Gas Chemical Company, Inc.
- Method for producing oxymethylene copolymer7 May 2019US 10,280,258 B2Mitsubishi Gas Chemical Company, Inc.
- Method for producing oxymethylene polymer and oxymethylene polymer resin composition24 Feb 2022US 2022/0056259 A1Mitsubishi Gas Chemical Company, Inc.
- Polyoxymethylene and method of producing same3 Feb 2022US 2022/0033558 A1Asahi Kasei Kabushiki Kaisha
- Method for producing oxymethylene copolymer12 Nov 2020US 2020/0354500 A1Mitsubishi Gas Chemical Company, Inc.
- Method for producing polyacetal copolymer27 Apr 2017US 2017/0114176 A1Polyplastics Co., Ltd.
- Process for improving the flexural toughness of moldings27 Apr 2017US 2017/0114216 A1BASF SE
Most cited
By later US patents
- Polyacetal and process of producing same20US 4,377,667 AAsahi Kasei Kogyo Kabushiki Kaisha · 1983
- Polyoxymethylene copolymer and composition thereof13US 6,506,850 B1Asahi Kasei Kabushiki Kaisha · 2003
- Process for preparing polyoxymethylenes6US 4,380,620 AAsahi Kasei Kogyo Kabushiki Kaisha · 1983
- Modified oxymethylene polymers5US 6,506,838 B1Asahi Kasei Kabushiki Kaisha · 2003
- Preparation of polyoxymethylenes3US 6,756,475 B2BASF SE · 2004