C08C 19/30
Addition of a reagent which reacts with a hetero atom or a
Official title: Addition of a reagent which reacts with a hetero atom or a group containing hetero atoms of the macromolecule
C08C19/30 (Addition of a reagent which reacts with a hetero atom or a) appears on 1,333 US grants and 1,099 published applications in this corpus.
Search patents in C08C- Granted patents
- 1,333
- Published applications
- 1,099
- Assignees
- 299
- Inventors
- 1,828
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 17 | 0 |
| 1977 | 22 | 0 |
| 1978 | 22 | 0 |
| 1979 | 24 | 0 |
| 1980 | 13 | 0 |
| 1981 | 20 | 0 |
| 1982 | 19 | 0 |
| 1983 | 18 | 0 |
| 1984 | 14 | 0 |
| 1985 | 23 | 0 |
| 1986 | 13 | 0 |
| 1987 | 9 | 0 |
| 1988 | 15 | 0 |
| 1989 | 18 | 0 |
| 1990 | 17 | 0 |
| 1991 | 16 | 0 |
| 1992 | 16 | 0 |
| 1993 | 27 | 0 |
| 1994 | 23 | 0 |
| 1995 | 23 | 0 |
| 1996 | 29 | 0 |
| 1997 | 21 | 0 |
| 1998 | 19 | 0 |
| 1999 | 20 | 0 |
| 2000 | 20 | 0 |
| 2001 | 19 | 4 |
| 2002 | 19 | 18 |
| 2003 | 17 | 24 |
| 2004 | 23 | 33 |
| 2005 | 18 | 27 |
| 2006 | 18 | 36 |
| 2007 | 20 | 25 |
| 2008 | 21 | 35 |
| 2009 | 16 | 45 |
| 2010 | 26 | 72 |
| 2011 | 42 | 54 |
| 2012 | 41 | 47 |
| 2013 | 39 | 70 |
| 2014 | 42 | 68 |
| 2015 | 61 | 46 |
| 2016 | 60 | 60 |
| 2017 | 57 | 43 |
| 2018 | 43 | 66 |
| 2019 | 51 | 58 |
| 2020 | 49 | 61 |
| 2021 | 41 | 47 |
| 2022 | 39 | 55 |
| 2023 | 24 | 38 |
| 2024 | 33 | 26 |
| 2025 | 24 | 27 |
| 2026 | 12 | 14 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- High strength hydrogenated polymers, and rubber compositions incorporating same25 Aug 2026US 12,715,952 B2Bridgestone Corporation
- Desulfurized rubber, rubber composition, rubber composition for tire, tire, hose, belt, crawler2 Jun 2026US 12,643,960 B2Bridgestone Corporation
- Rubber composition, and tire19 May 2026US 12,630,696 B2Asahi Kasei Kabushiki Kaisha
- Method for cleaving coordinate bond of complex polymer5 May 2026US 12,617,927 B2Bridgestone Corporation
- Functional ethylene and 1,3-diene copolymers5 May 2026US 12,617,939 B2Compagnie Generale Des Etablissements Michelin
- Polyalkyl (meth)acrylate-based polymers with improved low temperature properties1 Oct 2026US 2026/0297236 A1Evonik Operations GmbH
- Functional ethylene and 1,3-diene copolymers27 Aug 2026US 2026/0250497 A1Compagnie Generale Des Etablissements Michelin
- Conjugated diene - vinyl aromatic hydrocarbon copolymer and method thereof20 Aug 2026US 2026/0242575 A1TSRC Corporation
- Modifier, Modified Conjugated Diene-Based Polymer Comprising Same, and Method for Preparing the Polymer13 Aug 2026US 2026/0234298 A1LG Chem.Ltd.
- Rubber composition for pneumatic tyre and pneumatic tyre produced therefrom13 Aug 2026US 2026/0234375 A1
Most cited
By later US patents
- Star polymers and process for the preparation thereof172US 3,985,830 AThe University of Akron · 1976
- Preparation of hydroxy-terminated conjugated diene polymers127US 4,039,593 ALithium Corporation of America · 1977
- Rubber composition for solid golf ball and solid golf ball115US 6,194,505 B1Jsr Corporation · 2001
- Diene polymers and copolymers terminated by reaction with N-alkyl and N-aryl imines114US 5,066,729 ABridgestone/Firestone, Inc. · 1991
- Process for making diene polymer rubbers105US 4,616,069 ANippon Zeon Co., Ltd. · 1986