B29K 2023/18
Polymers of hydrocarbons having four or more carbon atoms
Official title: {Polymers of hydrocarbons having four or more carbon atoms, e.g. polymers of butylene, e.g. PB, i.e. polybutylene}
B29K2023/18 (Polymers of hydrocarbons having four or more carbon atoms) appears on 110 US grants and 140 published applications in this corpus.
Search patents in B29K- Granted patents
- 110
- Published applications
- 140
- Assignees
- 90
- Inventors
- 328
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 4 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 2 |
| 2003 | 1 | 0 |
| 2004 | 3 | 5 |
| 2005 | 3 | 2 |
| 2006 | 0 | 4 |
| 2007 | 2 | 1 |
| 2008 | 2 | 4 |
| 2009 | 3 | 3 |
| 2010 | 2 | 4 |
| 2011 | 1 | 1 |
| 2012 | 1 | 2 |
| 2013 | 0 | 4 |
| 2014 | 2 | 4 |
| 2015 | 4 | 10 |
| 2016 | 5 | 6 |
| 2017 | 7 | 7 |
| 2018 | 3 | 9 |
| 2019 | 8 | 6 |
| 2020 | 7 | 9 |
| 2021 | 4 | 8 |
| 2022 | 3 | 8 |
| 2023 | 5 | 13 |
| 2024 | 7 | 8 |
| 2025 | 8 | 15 |
| 2026 | 8 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Sealant composition for self-sealing pneumatic tire15 Sep 2026US 12,734,772 B2The Goodyear Tire & Rubber Company
- Porous piezoelectric composites and production thereof14 Jul 2026US 12,679,021 B2National Research Council of Canada
- Thermally curable piezoelectric composites and use thereof in additive manufacturing16 Jun 2026US 12,654,388 B2National Research Council of Canada
- Anisotropic thin polyethylene sheet and applications thereof and the process of making the same5 May 2026US 12,617,190 B2MuCell Extrusion, LLC
- Piezoelectric composites having localized piezoelectric particles and use thereof in additive manufacturing21 Apr 2026US 12,605,885 B2National Research Council of Canada
- High thermal resistance propylene-based polymer to produce bopp film3 Sep 2026US 2026/0258210 A1Braskem S/A
- Golf club shaft, golf club, and method for manufacturing golf club shaft27 Aug 2026US 2026/0249144 A1Fujikura Composites Inc.
- Method of producing sealing material and sealing material27 Aug 2026US 2026/0249570 A1Valqua, Ltd.
- Rubber compositions and articles thereof9 Jul 2026US 2026/0193457 A1The Goodyear Tire & Rubber Company
- Foam precursor and foam with biodegradable copolymer and methods thereof5 Feb 2026US 2026/0035524 A1Cruz Foam, Inc.
Most cited
By later US patents
- Elastomeric cushioning devices for products and objects188US 4,287,250 A1981
- Drag reducing aerodynamic vehicle components and methods of making the same127US 10,214,252 B2Sabic Global Technologies B.V. · 2019
- Skin barrier composition comprising an irradiated crosslinked ethylene-vinyl acetate copolymer and polyisobutylene93US 4,477,325 AHollister Incorporated · 1984
- Solventless compounding and coating of non-thermoplastic hydrocarbon elastomers57US 5,539,033 AMinnesota Mining and Manufacturing Company · 1996
- Gasline repair kit46US 4,756,337 ARoyston Laboratories, Inc. · 1988