C08J 2321/00
Working-up: characterised by the use of unspecified rubbers
Official title: Characterised by the use of unspecified rubbers
C08J2321/00 (Working-up: characterised by the use of unspecified rubbers) appears on 1,437 US grants and 855 published applications in this corpus.
Search patents in C08J- Granted patents
- 1,437
- Published applications
- 855
- Assignees
- 682
- Inventors
- 2,907
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 60 | 0 |
| 1977 | 39 | 0 |
| 1978 | 26 | 0 |
| 1979 | 21 | 0 |
| 1980 | 37 | 0 |
| 1981 | 35 | 0 |
| 1982 | 37 | 0 |
| 1983 | 37 | 0 |
| 1984 | 52 | 0 |
| 1985 | 34 | 0 |
| 1986 | 33 | 0 |
| 1987 | 17 | 0 |
| 1988 | 22 | 0 |
| 1989 | 29 | 0 |
| 1990 | 23 | 0 |
| 1991 | 27 | 0 |
| 1992 | 33 | 0 |
| 1993 | 28 | 0 |
| 1994 | 33 | 0 |
| 1995 | 19 | 0 |
| 1996 | 24 | 0 |
| 1997 | 31 | 0 |
| 1998 | 33 | 0 |
| 1999 | 37 | 0 |
| 2000 | 45 | 0 |
| 2001 | 34 | 11 |
| 2002 | 45 | 43 |
| 2003 | 40 | 69 |
| 2004 | 55 | 56 |
| 2005 | 24 | 29 |
| 2006 | 31 | 40 |
| 2007 | 14 | 34 |
| 2008 | 14 | 29 |
| 2009 | 9 | 41 |
| 2010 | 16 | 55 |
| 2011 | 28 | 43 |
| 2012 | 30 | 44 |
| 2013 | 21 | 33 |
| 2014 | 26 | 33 |
| 2015 | 32 | 42 |
| 2016 | 25 | 35 |
| 2017 | 44 | 33 |
| 2018 | 26 | 24 |
| 2019 | 22 | 23 |
| 2020 | 14 | 15 |
| 2021 | 15 | 24 |
| 2022 | 14 | 21 |
| 2023 | 10 | 23 |
| 2024 | 9 | 12 |
| 2025 | 16 | 29 |
| 2026 | 11 | 14 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Instrinsically antimicrobial porosic matrix composites and method of manufacture thereof15 Sep 2026US 12,733,637 B2
- Removing vulcanized rubber from metal components8 Sep 2026US 12,728,448 B2Can Cleantech
- Apparatus and method for de-vulcanisation of rubber8 Sep 2026US 12,729,281 B2Electronic Systems S.P.A.
- System for manufacturing polymer parts via additive manufacturing28 Jul 2026US 12,692,350 B2Honeywell Federal Manufacturing & Technologies, LLC
- System and method for modifying and enhancing tire rubber bitumen12 May 2026US 12,623,964 B2Asphalt Sciences LLC
- Method for processing rubber composite materials30 Jul 2026US 2026/0217939 A1Universiteit Antwerpen
- Reactor for dissolving a solid feedstock based on thermosetting materials such as used-tyre granules23 Jul 2026US 2026/0208148 A1Ifp Energies Nouvelles
- Latex hyperbranched anion exchangers9 Jul 2026US 2026/0193432 A1Dionex Corporation
- Masterbatch Compositions Comprising Carbon Black and Graphene25 Jun 2026US 2026/0176143 A1
- Solvent applications of anhydromevalonolactone11 Jun 2026US 2026/0159663 A1
Most cited
By later US patents
- Silica reinforced rubber composition and use in tires154US 5,580,919 AThe Goodyear Tire & Rubber Company · 1996
- Silica reinforced rubber composition and use in tires131US 5,674,932 AThe Goodyear Tire & Rubber Company · 1997
- Blocked mercaptosilane coupling agents for filled rubbers108US 6,608,125 B2Crompton Corporation · 2003
- Method of making medical glove93US 4,143,109 AArbrook, Inc. · 1979
- Blocked mercaptosilane coupling agents for filled rubbers85US 6,414,061 B1Crompton Corporation · 2002