C08C 2/06
Winning of rubber from solutions
C08C2/06 (Winning of rubber from solutions) appears on 65 US grants and 54 published applications in this corpus.
Search patents in C08C- Granted patents
- 65
- Published applications
- 54
- Assignees
- 35
- Inventors
- 148
- Latest grant
- 15 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 3 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 1 |
| 2002 | 1 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 2 |
| 2005 | 1 | 1 |
| 2006 | 0 | 2 |
| 2007 | 0 | 3 |
| 2008 | 0 | 0 |
| 2009 | 3 | 2 |
| 2010 | 1 | 0 |
| 2011 | 2 | 0 |
| 2012 | 1 | 1 |
| 2013 | 0 | 1 |
| 2014 | 0 | 1 |
| 2015 | 1 | 9 |
| 2016 | 1 | 3 |
| 2017 | 8 | 6 |
| 2018 | 3 | 3 |
| 2019 | 6 | 3 |
| 2020 | 2 | 6 |
| 2021 | 3 | 2 |
| 2022 | 4 | 3 |
| 2023 | 2 | 0 |
| 2024 | 2 | 3 |
| 2025 | 2 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Processes for the removal of rubber from non-Hevea plants15 Jul 2025US 12,359,004 B2Bridgestone Corporation
- Processes for increasing the molecular weight of guayule natural rubber25 Mar 2025US 12,258,427 B2Bridgestone Corporation
- Synthetic polyisoprene latex8 Oct 2024US 12,110,358 B2Zeon Corporation
- Systems and methods for the management of waste associated with processing guayule shrubs to extract rubber2 Jan 2024US 11,858,003 B2Bridgestone Corporation
- Processes for the removal of rubber from non-Hevea plants5 Dec 2023US 11,834,526 B2Bridgestone Corporation
- Processes For The Removal Of Rubber From Non-Hevea Plants6 Nov 2025US 2025/0340676 A1Bridgestone Corporation
- Process for high yield, high purity extraction of rubber from non-hevea sources7 Nov 2024US 2024/0368634 A1Ohio State Innovation Foundation
- Processes For The Removal Of Rubber From Non-Hevea Plants28 Mar 2024US 2024/0101722 A1Bridgestone Corporation
- Extraction Of Guayule Resin8 Feb 2024US 2024/0042347 A1Bridgestone Corporation
- Processes For The Removal Of Rubber From Non-Hevea Plants10 Nov 2022US 2022/0356273 A1Bridgestone Corporation
Most cited
By later US patents
- Guayule rubber, resin and bagasse recovery and purification processes38US 4,804,741 AAnver Bioscience Design, Inc. · 1989
- Biopolymer extraction from plant materials31US 7,923,039 B2Yulex Corporation · 2011
- Phase separation process utilizing a hydrofluorocarbon27US 7,629,397 B2ExxonMobil Chemical Patents Inc. · 2009
- Method of removing volatiles from an elastomer23US 4,198,265 AThe Firestone Tire & Rubber Company · 1980
- Conjugated-diolefin (co)polymer rubber and process for producing the same19US 7,528,199 B2Jsr Corporation · 2009