C08F 255/02
On to polymers of olefins having two or three carbon atoms
Official title: on to polymers of olefins having two or three carbon atoms
C08F255/02 (On to polymers of olefins having two or three carbon atoms) appears on 1,370 US grants and 1,050 published applications in this corpus.
Search patents in C08F- Granted patents
- 1,370
- Published applications
- 1,050
- Assignees
- 602
- Inventors
- 3,410
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 27 | 0 |
| 1977 | 23 | 0 |
| 1978 | 17 | 0 |
| 1979 | 11 | 0 |
| 1980 | 11 | 0 |
| 1981 | 22 | 0 |
| 1982 | 23 | 0 |
| 1983 | 14 | 0 |
| 1984 | 18 | 0 |
| 1985 | 11 | 0 |
| 1986 | 16 | 0 |
| 1987 | 17 | 0 |
| 1988 | 23 | 0 |
| 1989 | 25 | 0 |
| 1990 | 26 | 0 |
| 1991 | 22 | 0 |
| 1992 | 32 | 0 |
| 1993 | 27 | 0 |
| 1994 | 63 | 0 |
| 1995 | 33 | 0 |
| 1996 | 19 | 0 |
| 1997 | 18 | 0 |
| 1998 | 26 | 0 |
| 1999 | 32 | 0 |
| 2000 | 45 | 0 |
| 2001 | 48 | 15 |
| 2002 | 43 | 32 |
| 2003 | 40 | 47 |
| 2004 | 37 | 51 |
| 2005 | 24 | 44 |
| 2006 | 20 | 55 |
| 2007 | 22 | 48 |
| 2008 | 21 | 58 |
| 2009 | 17 | 44 |
| 2010 | 32 | 47 |
| 2011 | 16 | 43 |
| 2012 | 32 | 33 |
| 2013 | 29 | 26 |
| 2014 | 36 | 31 |
| 2015 | 31 | 34 |
| 2016 | 23 | 44 |
| 2017 | 37 | 51 |
| 2018 | 35 | 44 |
| 2019 | 40 | 49 |
| 2020 | 44 | 42 |
| 2021 | 30 | 40 |
| 2022 | 25 | 44 |
| 2023 | 30 | 34 |
| 2024 | 23 | 30 |
| 2025 | 22 | 34 |
| 2026 | 12 | 30 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Ethylene-octene copolymers with improved property profile1 Sep 2026US 12,723,118 B2Borealis AG
- Preparation methods of solvent-free self-emulsifying water-soluble chlorinated polypropylene1 Sep 2026US 12,723,121 B2Hubei Hyperbranched New Materials Science & Technology Co., Ltd.
- Curable composition for stereolithography, evaporative pattern, and method for producing three-dimensional article25 Aug 2026US 12,715,949 B2Mitsui Chemicals, Inc.
- Graft-modified product, adhesive, olefin resin composition, and laminate14 Jul 2026US 12,679,917 B2Mitsui Chemicals, Inc.
- Polypropylene-based graft polymer, thermoplastic resin composition, and molded article thereof19 May 2026US 12,630,704 B2Techno-Umg Co., Ltd.
- Process for producing a grafted polymer17 Sep 2026US 2026/0273497 A1Dow Global Technologies LLC
- Crosslinkable elastomeric compositions including sustainable content, articles made therefrom, and methods of making the same3 Sep 2026US 2026/0258181 A1Avient Corporation
- High melt strength polypropylene27 Aug 2026US 2026/0250430 A1
- Reversible crosslinked extruded profile and process27 Aug 2026US 2026/0250432 A1
- Process for reversible crosslink composition27 Aug 2026US 2026/0250449 A1Dow Global Technologies LLC
Most cited
By later US patents
- Process for crosslinking444US 5,346,961 AUnion Carbide Chemicals & Plastics Technology Corporation · 1994
- Thermoplastic elastomer compositions from branched olefin copolymers154US 6,147,180 AExxon Chemical Patents Inc. · 2000
- High melt strength polyethylene compositions146US 6,114,457 AExxon Chemical Patents Inc. · 2000
- Maleic anhydride grafts of olefin polymers129US 4,950,541 AThe Dow Chemical Company · 1990
- Low melt viscosity amorphous copolyesters with enhanced glass transition temperatures having improved gas barrier properties129US 6,183,848 B2Eastman Chemical Company · 2001