C08F 6/26
Treatment of polymers prepared in bulk also solid polymers or polymer melts
Official title: Treatment of polymers prepared in bulk {also solid polymers or polymer melts, (C08F6/001, C08F6/006, C08F6/008, C08F6/02, C08F6/04 take precedence)}
C08F6/26 (Treatment of polymers prepared in bulk also solid polymers or polymer melts) appears on 154 US grants and 137 published applications in this corpus.
Search patents in C08F- Granted patents
- 154
- Published applications
- 137
- Assignees
- 121
- Inventors
- 465
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 3 | 0 |
| 1978 | 0 | 0 |
| 1979 | 3 | 0 |
| 1980 | 3 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 4 | 0 |
| 1986 | 0 | 0 |
| 1987 | 4 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 4 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 4 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 3 |
| 2004 | 3 | 5 |
| 2005 | 0 | 4 |
| 2006 | 2 | 10 |
| 2007 | 6 | 9 |
| 2008 | 7 | 3 |
| 2009 | 3 | 1 |
| 2010 | 4 | 3 |
| 2011 | 1 | 2 |
| 2012 | 2 | 8 |
| 2013 | 2 | 5 |
| 2014 | 5 | 7 |
| 2015 | 5 | 5 |
| 2016 | 6 | 2 |
| 2017 | 3 | 6 |
| 2018 | 6 | 5 |
| 2019 | 3 | 10 |
| 2020 | 5 | 7 |
| 2021 | 8 | 14 |
| 2022 | 6 | 3 |
| 2023 | 8 | 5 |
| 2024 | 6 | 10 |
| 2025 | 5 | 5 |
| 2026 | 3 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Deodorization apparatus and method16 Jun 2026US 12,654,362 B2Piovan S.P.A.
- Hydrophilic compound removal method and odor removal method28 Apr 2026US 12,611,480 B2Daikin Industries, Ltd.
- Centralized hydrocarbon treatment in a polymer production process21 Apr 2026US 12,606,648 B2Chevron Phillips Chemical Company LP
- Integrated tower for removing VOC from polypropylene particles2 Dec 2025US 12,485,584 B2Tianhua Institute of Chemical Machinery and Automation Co., Ltd
- Methods for producing graphene from coal21 Oct 2025US 12,448,293 B2Carbon Holdings Intellectual Properties, LLC
- Method for producing fluoropolymer30 Jul 2026US 2026/0217871 A1Daikin Industries, Ltd.
- Removal of odorants from polyolefin particles29 Jan 2026US 2026/0028434 A1
- Methods for producing graphene from coal15 Jan 2026US 2026/0015241 A1Carbon Holdings Intellectual Properties, LLC
- Water-soluble polymer comprising hydroxamic acid groups8 Jan 2026US 2026/0008880 A1BASF SE
- Powder containing low molecular weight polytetrafluoroethylene particle and method for producing the same22 May 2025US 2025/0163196 A1Daikin Industries, Ltd.
Most cited
By later US patents
- Apparatus for producing styrenic/alkenylnitrile copolymers41US 4,555,384 ACosden Technology, Inc. · 1985
- Process for producing styrenic/alkenylnitrile copolymers34US 4,542,196 ACosden Technology, Inc. · 1985
- Modified copolymers of ethylene and .alpha.-olefins and a process for their preparation31US 4,486,579 ASociete Chimique des Charbonnages S.A. · 1984
- Flow property shelf life of PVC dry blend powders30US 5,233,022 AUnited Technologies Automotive, Inc. · 1993
- Orthopaedic device for implantation in the body of an animal and method for making the same29US 7,160,492 B2DePuy Products, Inc. · 2007